diff --git a/.travis.yml b/.travis.yml
index db4454d8..ed294142 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,3 +12,7 @@ before_script:
 
 script:
   - vendor/bin/phpunit tests
+
+matrix:
+  allow_failures:
+    - php: nightly
diff --git a/README.md b/README.md
index 405390dc..371351e3 100644
--- a/README.md
+++ b/README.md
@@ -114,7 +114,7 @@ $ ./amp-console amp:convert sample-html/several_errors.html --full-document
 ```
 Note that you need to provide `--full-document` if you're providing a full html document file for conversion.
 
-Lets see the output output of the first example command above. The first few lines is the AMPized HTML provided by our library. The rest of the headings are self explanatory.
+Lets see the output of the first example command above. The first few lines is the AMPized HTML provided by our library. The rest of the headings are self explanatory.
 
 ```html
 $ cd <amp-php-library-repo-cloned-location>
@@ -161,18 +161,18 @@ FAIL
 
 <a style="color: red;" href="javascript:run();"> on line 1
 - The attribute 'style' may not appear in tag 'a'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.style attribute was removed due to validation issues.
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a style="margin: 2px;" href="http://www.cnn.com" target="_parent"> on line 2
 - The attribute 'style' may not appear in tag 'a'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.style attribute was removed due to validation issues.
 - The attribute 'target' in tag 'a' is set to the invalid value '_parent'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: a.target attribute was removed due to validation issues.
 
 <input type="submit" value="submit"> on line 5
@@ -182,7 +182,7 @@ FAIL
 
 <div onmouseover="hello();"> on line 6
 - The attribute 'onmouseover' may not appear in tag 'div'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: div.onmouseover attribute was removed due to validation issues.
 
 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"> on line 8
diff --git a/src/AMP.php b/src/AMP.php
index 9836e62a..40147599 100644
--- a/src/AMP.php
+++ b/src/AMP.php
@@ -58,6 +58,7 @@ class AMP
         'Lullabot\AMP\Pass\IframeVineTagTransformPass',
         'Lullabot\AMP\Pass\IframeDailymotionTagTransformPass',
         'Lullabot\AMP\Pass\IframeYouTubeTagTransformPass',
+        'Lullabot\AMP\Pass\IframeHuluTagTransformPass',
         'Lullabot\AMP\Pass\IframeTagTransformPass',
         'Lullabot\AMP\Pass\InstagramTransformPass',
         'Lullabot\AMP\Pass\PinterestTagTransformPass',
@@ -174,6 +175,17 @@ public function loadHtml($html, $options = [])
             $options['use_html5_parser'] = true;
         }
 
+        // By default the convertion of img into amp-anim is disabled (because of ressource cost)
+        //  => they will be converted into amp-img instead
+        if (!isset($options['use_img_anim_tag'])) {
+            $options['use_img_anim_tag'] = false;
+        }
+
+        // By default img that can't be converted are kept as it is and not removed
+        if (!isset($options['remove_non_converted_img_tag'])) {
+            $options['remove_non_converted_img_tag'] = false;
+        }
+
         $this->options = $options;
         $this->scope = !empty($options['scope']) ? $options['scope'] : Scope::BODY_SCOPE;
 
diff --git a/src/Pass/AmpImgFixPass.php b/src/Pass/AmpImgFixPass.php
index ec9d6b55..ea4c68f4 100644
--- a/src/Pass/AmpImgFixPass.php
+++ b/src/Pass/AmpImgFixPass.php
@@ -75,6 +75,17 @@ function pass()
                     $error->resolved = false;
                 }
             }
+            elseif (in_array($error->code, [ValidationErrorCode::MANDATORY_TAG_ANCESTOR_WITH_HINT]) &&
+                !$error->resolved &&
+                !empty($error->dom_tag) &&
+                strtolower($error->dom_tag->tagName) == 'img' &&
+                !empty($this->options['remove_non_converted_img_tag'])
+            ) {
+                 // Remove the offending tag
+                $error->dom_tag->parentNode->removeChild($error->dom_tag);
+                $error->addActionTaken(new ActionTakenLine('img', ActionTakenType::TAG_REMOVED));
+                $error->resolved = TRUE;
+            }
         }
     }
 }
diff --git a/src/Pass/BaseFacebookPass.php b/src/Pass/BaseFacebookPass.php
new file mode 100644
index 00000000..0947d95f
--- /dev/null
+++ b/src/Pass/BaseFacebookPass.php
@@ -0,0 +1,49 @@
+<?php
+/*
+ * Copyright 2016 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Lullabot\AMP\Pass;
+
+abstract class BaseFacebookPass extends BasePass
+{
+    /**
+     * Checks whether the given url is a valid facebook post url
+     *
+     * @param string $url
+     * @return bool
+     */
+    protected function isValidPostUrl($url)
+    {
+        return
+            // e.g. https://www.facebook.com/20531316728/posts/10154009990506729/
+            preg_match('&(*UTF8)facebook\.com/.*/posts/\d+/?&i', $url)
+            // e.g. https://www.facebook.com/photos/{photo-id}
+            // or https://www.facebook.com/SanAntonioVAMC/photos/a.411451129506.185409.351086129506/10154231221264507/?type=3&amp;theater
+            || preg_match('&(*UTF8)facebook\.com/.*photos.*&i', $url)
+            // e.g. https://www.facebook.com/photo.php?fbid={photo-id}
+            // or https://www.facebook.com/photo.php?v=10153655829445601
+            || preg_match('&(*UTF8)facebook\.com/photo\.php.*&i', $url);
+    }
+
+    protected function isValidVideoUrl($url)
+    {
+        return
+            // e.g https://www.facebook.com/facebook/videos/10153231379946729/
+            preg_match('&(*UTF8)facebook\.com/.*/videos/\d+/?&i', $url)
+            // e.g https://www.facebook.com/video.php?v=10153231379946729
+            || preg_match('&(*UTF8)facebook\.com/video\.php.*&i', $url);
+    }
+}
\ No newline at end of file
diff --git a/src/Pass/FacebookNonIframeTransformPass.php b/src/Pass/FacebookNonIframeTransformPass.php
index 392694b8..49778e16 100644
--- a/src/Pass/FacebookNonIframeTransformPass.php
+++ b/src/Pass/FacebookNonIframeTransformPass.php
@@ -38,7 +38,7 @@
  * @see https://github.com/ampproject/amphtml/blob/master/extensions/amp-facebook/amp-facebook.md
  * @see https://github.com/ampproject/amphtml/blob/master/extensions/amp-facebook/0.1/validator-amp-facebook.protoascii
  */
-class FacebookNonIframeTransformPass extends BasePass
+class FacebookNonIframeTransformPass extends BaseFacebookPass
 {
     const DEFAULT_WIDTH = 500;
     const DEFAULT_HEIGHT = 281;
@@ -109,8 +109,7 @@ protected function getFacebookEmbedAttrs(DOMQuery $el)
         }
 
         $card = true;
-        // e.g https://www.facebook.com/facebook/videos/10153231379946729/
-        if (preg_match('&(*UTF8)facebook\.com/.*/videos/\d+/?&i', $src)) {
+        if ($this->isValidVideoUrl($src)) {
             // A facebook video can be embedded as a post. Doing that enables the video "card" to display
             if ($el->attr('data-show-text') !== "false") {
                 $embed_as = 'post';
@@ -118,8 +117,8 @@ protected function getFacebookEmbedAttrs(DOMQuery $el)
             } else {
                 $embed_as = 'video';
             }
-        } // e.g. https://www.facebook.com/20531316728/posts/10154009990506729/
-        else if (preg_match('&(*UTF8)facebook\.com/.*/posts/\d+/?&i', $src)) {
+        }
+        elseif ($this->isValidPostUrl($src)) {
             $embed_as = 'post';
         } else {
             return false;
diff --git a/src/Pass/IframeFacebookTagTransformPass.php b/src/Pass/IframeFacebookTagTransformPass.php
index 281aa377..f3883247 100644
--- a/src/Pass/IframeFacebookTagTransformPass.php
+++ b/src/Pass/IframeFacebookTagTransformPass.php
@@ -54,7 +54,7 @@
  * @see https://github.com/ampproject/amphtml/blob/master/extensions/amp-facebook/amp-facebook.md
  * @see https://github.com/ampproject/amphtml/blob/master/extensions/amp-facebook/0.1/validator-amp-facebook.protoascii
  */
-class IframeFacebookTagTransformPass extends BasePass
+class IframeFacebookTagTransformPass extends BaseFacebookPass
 {
     const DEFAULT_ASPECT_RATIO = 1.7778;
     const DEFAULT_WIDTH = 500;
@@ -108,16 +108,15 @@ protected function setStandardFacebookParameters(DOMQuery $el)
             return false;
         }
 
-        // e.g https://www.facebook.com/facebook/videos/10153231379946729/
-        if (preg_match('&(*UTF8)facebook\.com/facebook/videos/\d+/?&i', $query_arr['href'])) {
+        if ($this->isValidVideoUrl($query_arr['href'])) {
             // A facebook video can be embedded as a post. Doing that enables the video "card" to display
             if (isset($query_arr['show_text']) && $query_arr['show_text'] !== "false") {
                 $embed_as = 'post';
             } else {
                 $embed_as = 'video';
             }
-        } // e.g. https://www.facebook.com/20531316728/posts/10154009990506729/
-        else if (preg_match('&(*UTF8)facebook\.com/.*/posts/\d+/?&i', $query_arr['href'])) {
+        }
+        elseif ($this->isValidPostUrl($query_arr['href'])) {
             $embed_as = 'post';
         } else {
             return false;
diff --git a/src/Pass/IframeHuluTagTransformPass.php b/src/Pass/IframeHuluTagTransformPass.php
new file mode 100644
index 00000000..649bd795
--- /dev/null
+++ b/src/Pass/IframeHuluTagTransformPass.php
@@ -0,0 +1,65 @@
+<?php
+/*
+ * Copyright 2016 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+namespace Lullabot\AMP\Pass;
+
+use QueryPath\DOMQuery;
+
+use Lullabot\AMP\Utility\ActionTakenLine;
+use Lullabot\AMP\Utility\ActionTakenType;
+
+/**
+ * Class IframeHuluTagTransformPass
+ * @package Lullabot\AMP\Pass
+ *
+ * Sample hulu embed code:
+ * <iframe width="854" height="480" frameborder="0" allowfullscreen="allowfullscreen" src="//www.hulu.com/embed.html?eid=_hHzwnAcj3RrXMJFDDvkuw"></iframe>
+ *
+ * @see https://www.ampproject.org/docs/reference/extended/amp-hulu.html
+ * @see https://ampbyexample.com/components/amp-hulu/
+ */
+class IframeHuluTagTransformPass extends BasePass
+{
+    function pass()
+    {
+        $all_iframes = $this->q->find('iframe:not(noscript iframe)');
+        /** @var DOMQuery $el */
+        foreach ($all_iframes as $el) {
+            /** @var \DOMElement $dom_el */
+            $dom_el = $el->get(0);
+            $lineno = $this->getLineNo($dom_el);
+
+            if ($eid = $this->getArtifactId($el, '&(*UTF8)hulu\.com/embed\.html\?eid=(\w+)&i')) {
+                $width = $el->attr('width') ?: 800;
+                $height = $el->attr('height') ?: 600;
+
+                $context_string = $this->getContextString($dom_el);
+
+                // width and height are intended to be aspect ratios here
+                $el->after('<amp-hulu width="' . $width . '" height="' . $height . '" layout="responsive" data-eid="' . $eid . '"></amp-hulu>');
+                $new_dom_el = $el->next()->get(0);
+
+                $el->removeChildren()->remove();
+                $this->addActionTaken(new ActionTakenLine('iframe', ActionTakenType::HULU_CONVERTED, $lineno, $context_string));
+                $this->context->addLineAssociation($new_dom_el, $lineno);
+            }
+        }
+
+        return $this->transformations;
+    }
+}
diff --git a/src/Pass/IframeYouTubeTagTransformPass.php b/src/Pass/IframeYouTubeTagTransformPass.php
index a607d93e..46b8bcf5 100644
--- a/src/Pass/IframeYouTubeTagTransformPass.php
+++ b/src/Pass/IframeYouTubeTagTransformPass.php
@@ -113,6 +113,7 @@ protected function isYouTubeIframe(DOMQuery $el)
      *
      * @param DOMQuery $el
      * @return string
+     *
      */
     protected function getYouTubeCode(DOMQuery $el)
     {
@@ -120,30 +121,17 @@ protected function getYouTubeCode(DOMQuery $el)
         $youtube_code = '';
         $href = $el->attr('src');
 
-        // @todo there seem to be a lot of ways to embed a youtube video. We probably need to capture all patterns here
-        // The next one is the embed code that youtube gives you
-        if (preg_match('&(*UTF8)/embed/([^/?]+)&i', $href, $matches)) {
-            if (!empty($matches[1])) {
-                $youtube_code = $matches[1];
-                return $youtube_code;
-            }
-        }
-
-        if (preg_match('&(*UTF8)youtu\.be/([^/?]+)&i', $href, $matches)) {
-            if (!empty($matches[1])) {
-                $youtube_code = $matches[1];
-                return $youtube_code;
-            }
-        }
-
-        if (preg_match('!(*UTF8)watch\?v=([^&]+)!i', $href, $matches)) {
-            if (!empty($matches[1])) {
+        // This regex is supposed to catch all possible way to embed youtube video
+        if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $href, $matches))
+        {
+            if (!empty($matches[1]))
+            {
                 $youtube_code = $matches[1];
-                return $youtube_code;
+                return htmlspecialchars($youtube_code);
             }
         }
 
-        return $youtube_code;
+        return htmlspecialchars($youtube_code);
     }
 
     /**
diff --git a/src/Pass/ImgTagTransformPass.php b/src/Pass/ImgTagTransformPass.php
index 89757773..8e28efeb 100644
--- a/src/Pass/ImgTagTransformPass.php
+++ b/src/Pass/ImgTagTransformPass.php
@@ -79,8 +79,9 @@ function pass()
             }
             if ($this->isPixel($el)) {
                 $new_dom_el = $this->convertAmpPixel($el, $lineno, $context_string);
-            }
-            else {
+            } else if (!empty($this->options['use_amp_anim_tag']) && $this->isAnimatedImg($dom_el)) {
+                $new_dom_el = $this->convertAmpAnim($el, $lineno, $context_string);
+            } else {
                 $new_dom_el = $this->convertAmpImg($el, $lineno, $context_string);
             }
             $this->context->addLineAssociation($new_dom_el, $lineno);
@@ -121,11 +122,42 @@ protected function convertAmpImg($el, $lineno, $context_string)
         $dom_el = $el->get(0);
         $new_dom_el = $this->cloneAndRenameDomElement($dom_el, 'amp-img');
         $new_el = $el->prev();
-        $this->setLayoutIfNoLayout($new_el, 'responsive');
+        $this->setLayoutIfNoLayout($new_el, $this->getLayout($el));
         $this->addActionTaken(new ActionTakenLine('img', ActionTakenType::IMG_CONVERTED, $lineno, $context_string));
         return $new_dom_el;
     }
 
+    /**
+     * Given an image DOMQuery
+     * Returns whether the image should have 'fixed' or 'responsive' layout
+     *
+     * @param DOMQuery $el
+     * @return string
+     */
+    protected function getLayout($el) {
+        return (isset($this->options['img_max_fixed_layout_width'])
+            && $this->options['img_max_fixed_layout_width'] >= $el->attr('width'))
+            ? 'fixed' : 'responsive';
+    }
+
+    /**
+     * Given an animated image element returns an amp-anim element with the same attributes and children
+     *
+     * @param DOMQuery $el
+     * @param int $lineno
+     * @param string $context_string
+     * @return DOMElement
+     */
+    protected function convertAmpAnim($el, $lineno, $context_string)
+    {
+        $dom_el = $el->get(0);
+        $new_dom_el = $this->cloneAndRenameDomElement($dom_el, 'amp-anim');
+        $new_el = $el->prev();
+        $this->setLayoutIfNoLayout($new_el, 'responsive');
+        $this->addActionTaken(new ActionTakenLine('img', ActionTakenType::IMG_ANIM_CONVERTED, $lineno, $context_string));
+        return $new_dom_el;
+    }
+
     /**
      * Given an image src attribute, try to get its dimensions
      * Returns false on failure
@@ -175,6 +207,87 @@ protected function isPixel(DOMQuery $el)
         return $el->attr('width') === '1' && $el->attr('height') === '1';
     }
 
+    /**
+     * Detects if the img is animated. In that case we convert to <amp-anim> instead of <amp-img>
+     * @param \DOMElement $el
+     * @return bool
+     */
+    protected function isAnimatedImg(\DOMElement $el)
+    {
+        $animated_type = ['gif', 'png'];
+        if (!$el->hasAttribute('src')) {
+            return true;
+        }
+
+        $src = trim($el->getAttribute('src'));
+        if (preg_match('/\.([a-z0-9]+)$/i', parse_url($src,PHP_URL_PATH), $match)) {
+            if (!empty($match[1]) && in_array(strtolower($match[1]), $animated_type)) {
+                if ($match[1] === "gif") {
+                    if ($this->isAnimatedGif($src)) {
+                        return true;
+                    } else {
+                        return false;
+                    }
+                }
+                if ($this->isApng($src)) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Identifies APNGs
+     * Written by Coda, functionified by Foone/Popcorn Mariachi#!9i78bPeIxI
+     * This code is in the public domain
+     *
+     * @see http://stackoverflow.com/a/4525194
+     * @see http://foone.org/apng/identify_apng.php
+     *
+     * @param  string  $src    The filename
+     * @return bool    true if the file is an APMG
+     */
+    function isApng($src)
+    {
+        $img_bytes = @file_get_contents($src);
+        if ($img_bytes) {
+            if (strpos(substr($img_bytes, 0, strpos($img_bytes, 'IDAT')), 'acTL') !== false) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Detects if the gif image is animated or not
+     * source: http://php.net/manual/en/function.imagecreatefromgif.php#104473
+     *
+     * @param  string  $filename
+     * @return bool
+     */
+    function isAnimatedGif($filename) {
+        if (!($fh = @fopen($filename, 'rb')))
+            return FALSE;
+        $count = 0;
+        //an animated gif contains multiple "frames", with each frame having a
+        //header made up of:
+        // * a static 4-byte sequence (\x00\x21\xF9\x04)
+        // * 4 variable bytes
+        // * a static 2-byte sequence (\x00\x2C) (some variants may use \x00\x21 ?)
+
+        // We read through the file til we reach the end of the file, or we've found
+        // at least 2 frame headers
+        while (!feof($fh) && $count < 2) {
+            $chunk = fread($fh, 1024 * 100); //read 100kb at a time
+            $count += preg_match_all('#\x00\x21\xF9\x04.{4}\x00(\x2C|\x21)#s', $chunk, $matches);
+       }
+
+        fclose($fh);
+        return $count > 1;
+    }
+
     /**
      * @param string $src
      * @return boolean|string
@@ -217,7 +330,7 @@ protected function setResponsiveImgHeightAndWidth(DOMQuery $el)
         $wcss = new CssLengthAndUnit($el->attr('width'), false);
         $hcss = new CssLengthAndUnit($el->attr('height'), false);
 
-        if ($wcss->is_set && $wcss->is_valid && $wcss->is_set && $wcss->is_valid && $wcss->unit == $hcss->unit) {
+        if ($wcss->is_set && $wcss->is_valid && $hcss->is_set && $hcss->is_valid && $wcss->unit == $hcss->unit) {
             return true;
         }
 
diff --git a/src/Pass/StandardFixPass.php b/src/Pass/StandardFixPass.php
index c5771d8d..fc52c4a4 100644
--- a/src/Pass/StandardFixPass.php
+++ b/src/Pass/StandardFixPass.php
@@ -58,6 +58,11 @@ class StandardFixPass extends BasePass
 
     public function pass()
     {
+        $all_ampad = $this->q->top()->find('amp-ad');
+        if ($all_ampad->length > 0) {
+            $this->addComponentJsToHead('amp-ad');
+        }
+
         /** @var SValidationError $error */
         foreach ($this->validation_result->errors as $error) {
             // If the error was resolved, continue
diff --git a/src/Spec/validator-generated.php b/src/Spec/validator-generated.php
index 082bb58a..f9e1abe8 100644
--- a/src/Spec/validator-generated.php
+++ b/src/Spec/validator-generated.php
@@ -63,6 +63,7 @@ class AttrSpec {
   public $mandatory = null;
   public $mandatory_oneof = null;
   public $value = null;
+  public $value_casei = null;
   public $value_regex = null;
   public $value_regex_casei = null;
   public $value_url = null;
@@ -100,14 +101,11 @@ class ChildTagSpec {
   public $child_tag_name_oneof = [];
 }
 
-class CssRuleSpec {
-}
-
 class CssSpec {
   public $at_rule_spec = [];
-  public $css_rule = [];
   public $image_url_spec = null;
   public $font_url_spec = null;
+  public $validate_amp4ads = null;
 }
 
 class ErrorCategory {
@@ -132,6 +130,11 @@ class ErrorFormat {
   public $format = null;
 }
 
+class ErrorSpecificity {
+  public $code = null;
+  public $specificity = null;
+}
+
 class PropertySpec {
   public $name = null;
   public $mandatory = null;
@@ -143,31 +146,50 @@ class PropertySpecList {
   public $properties = [];
 }
 
+class ReferencePoint {
+  public $tag_spec_name = null;
+  public $mandatory = null;
+  public $unique = null;
+}
+
 class TagSpec {
+  public $html_format = [];
   public $tag_name = null;
   public $spec_name = null;
   public $mandatory = null;
   public $mandatory_alternatives = null;
   public $unique = null;
+  public $unique_warning = null;
   public $mandatory_parent = null;
   public $mandatory_ancestor = null;
   public $mandatory_ancestor_suggested_alternative = null;
   public $disallowed_ancestor = [];
   public $also_requires_tag = [];
+  public $also_requires_tag_warning = [];
+  public $extension_unused_unless_tag_present = [];
+  public $satisfies = [];
+  public $requires = [];
   public $deprecation = null;
   public $deprecation_url = null;
   public $attrs = [];
   public $attr_lists = [];
   public $cdata = null;
   public $child_tags = null;
+  public $reference_points = [];
   public $spec_url = null;
   public $amp_layout = null;
 }
 
+class TagSpecHtmlFormat {
+ const AMP = 'AMP';
+ const AMP4ADS = 'AMP4ADS';
+
+}
 class UrlSpec {
   public $allowed_protocol = [];
   public $allow_relative = null;
   public $allow_empty = null;
+  public $disallowed_domain = [];
 }
 
 class ValidationError {
@@ -186,6 +208,8 @@ class ValidationErrorCode {
  const UNKNOWN_CODE = 'UNKNOWN_CODE';
  const MANDATORY_TAG_MISSING = 'MANDATORY_TAG_MISSING';
  const TAG_REQUIRED_BY_MISSING = 'TAG_REQUIRED_BY_MISSING';
+ const WARNING_TAG_REQUIRED_BY_MISSING = 'WARNING_TAG_REQUIRED_BY_MISSING';
+ const WARNING_EXTENSION_UNUSED = 'WARNING_EXTENSION_UNUSED';
  const ATTR_REQUIRED_BUT_MISSING = 'ATTR_REQUIRED_BUT_MISSING';
  const DISALLOWED_TAG = 'DISALLOWED_TAG';
  const GENERAL_DISALLOWED_TAG = 'GENERAL_DISALLOWED_TAG';
@@ -198,6 +222,7 @@ class ValidationErrorCode {
  const MANDATORY_ONEOF_ATTR_MISSING = 'MANDATORY_ONEOF_ATTR_MISSING';
  const DUPLICATE_DIMENSION = 'DUPLICATE_DIMENSION';
  const DUPLICATE_UNIQUE_TAG = 'DUPLICATE_UNIQUE_TAG';
+ const DUPLICATE_UNIQUE_TAG_WARNING = 'DUPLICATE_UNIQUE_TAG_WARNING';
  const WRONG_PARENT_TAG = 'WRONG_PARENT_TAG';
  const STYLESHEET_TOO_LONG_OLD_VARIANT = 'STYLESHEET_TOO_LONG_OLD_VARIANT';
  const STYLESHEET_TOO_LONG = 'STYLESHEET_TOO_LONG';
@@ -211,6 +236,7 @@ class ValidationErrorCode {
  const MISSING_URL = 'MISSING_URL';
  const INVALID_URL = 'INVALID_URL';
  const INVALID_URL_PROTOCOL = 'INVALID_URL_PROTOCOL';
+ const DISALLOWED_DOMAIN = 'DISALLOWED_DOMAIN';
  const DISALLOWED_RELATIVE_URL = 'DISALLOWED_RELATIVE_URL';
  const DISALLOWED_PROPERTY_IN_ATTR_VALUE = 'DISALLOWED_PROPERTY_IN_ATTR_VALUE';
  const MUTUALLY_EXCLUSIVE_ATTRS = 'MUTUALLY_EXCLUSIVE_ATTRS';
@@ -226,6 +252,13 @@ class ValidationErrorCode {
  const INCORRECT_NUM_CHILD_TAGS = 'INCORRECT_NUM_CHILD_TAGS';
  const DISALLOWED_CHILD_TAG_NAME = 'DISALLOWED_CHILD_TAG_NAME';
  const DISALLOWED_FIRST_CHILD_TAG_NAME = 'DISALLOWED_FIRST_CHILD_TAG_NAME';
+ const DISALLOWED_MANUFACTURED_BODY = 'DISALLOWED_MANUFACTURED_BODY';
+ const CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT = 'CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT';
+ const MANDATORY_REFERENCE_POINT_MISSING = 'MANDATORY_REFERENCE_POINT_MISSING';
+ const DUPLICATE_REFERENCE_POINT = 'DUPLICATE_REFERENCE_POINT';
+ const TAG_REFERENCE_POINT_CONFLICT = 'TAG_REFERENCE_POINT_CONFLICT';
+ const CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT_SINGULAR = 'CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT_SINGULAR';
+ const BASE_TAG_MUST_PRECEED_ALL_URLS = 'BASE_TAG_MUST_PRECEED_ALL_URLS';
  const CSS_SYNTAX = 'CSS_SYNTAX';
  const CSS_SYNTAX_INVALID_AT_RULE = 'CSS_SYNTAX_INVALID_AT_RULE';
  const CSS_SYNTAX_STRAY_TRAILING_BACKSLASH = 'CSS_SYNTAX_STRAY_TRAILING_BACKSLASH';
@@ -242,16 +275,20 @@ class ValidationErrorCode {
  const CSS_SYNTAX_MISSING_URL = 'CSS_SYNTAX_MISSING_URL';
  const CSS_SYNTAX_INVALID_URL = 'CSS_SYNTAX_INVALID_URL';
  const CSS_SYNTAX_INVALID_URL_PROTOCOL = 'CSS_SYNTAX_INVALID_URL_PROTOCOL';
+ const CSS_SYNTAX_DISALLOWED_DOMAIN = 'CSS_SYNTAX_DISALLOWED_DOMAIN';
  const CSS_SYNTAX_DISALLOWED_RELATIVE_URL = 'CSS_SYNTAX_DISALLOWED_RELATIVE_URL';
  const CSS_SYNTAX_INVALID_ATTR_SELECTOR = 'CSS_SYNTAX_INVALID_ATTR_SELECTOR';
+ const CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE = 'CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE';
+ const CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE_WITH_HINT = 'CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE_WITH_HINT';
+ const CSS_SYNTAX_PROPERTY_DISALLOWED_WITHIN_AT_RULE = 'CSS_SYNTAX_PROPERTY_DISALLOWED_WITHIN_AT_RULE';
+ const CSS_SYNTAX_PROPERTY_DISALLOWED_TOGETHER_WITH = 'CSS_SYNTAX_PROPERTY_DISALLOWED_TOGETHER_WITH';
+ const CSS_SYNTAX_PROPERTY_REQUIRES_QUALIFICATION = 'CSS_SYNTAX_PROPERTY_REQUIRES_QUALIFICATION';
 
 }
 class ValidationErrorSeverity {
  const UNKNOWN_SEVERITY = 'UNKNOWN_SEVERITY';
  const ERROR = 'ERROR';
  const WARNING = 'WARNING';
- const PROD_WARNING = 'PROD_WARNING';
- const DEV_WARNING = 'DEV_WARNING';
 
 }
 class ValidationResult {
@@ -280,6 +317,7 @@ class ValidatorRules {
   public $spec_file_revision = null;
   public $template_spec_url = null;
   public $error_formats = [];
+  public $error_specificity = [];
 }
 
 class ValidationRulesFactory {
@@ -290,12 +328,13 @@ public static function createValidationRules() {
   $o_1->spec_name = 'html doctype';
   $o_1->mandatory = true;
   $o_1->unique = true;
-  $o_1->mandatory_parent = '$ROOT';
+  $o_1->mandatory_parent = '$root';
   $o_2 = new AttrSpec();
   $o_2->name = 'html';
   $o_2->mandatory = true;
   $o_2->value = '';
   $o_1->attrs[] = $o_2;
+  $o_1->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
   $o_0->tags[] = $o_1;
   $o_3 = new TagSpec();
   $o_3->tag_name = 'html';
@@ -310,1598 +349,1686 @@ public static function createValidationRules() {
   $o_4->value = '';
   $o_3->attrs[] = $o_4;
   $o_3->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_3->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_3;
   $o_5 = new TagSpec();
-  $o_5->tag_name = 'head';
+  $o_5->tag_name = 'html';
+  $o_5->spec_name = 'html \u26a14ads for top-level html';
   $o_5->mandatory = true;
   $o_5->unique = true;
-  $o_5->mandatory_parent = 'html';
-  $o_5->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_5->mandatory_parent = '!doctype';
+  $o_6 = new AttrSpec();
+  $o_6->name = '\u26a14ads';
+  $o_6->alternative_names = ['amp4ads'];
+  $o_6->mandatory = true;
+  $o_6->value = '';
+  $o_5->attrs[] = $o_6;
+  $o_5->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-a4a/amp-a4a-format.md#a4a-format-rules';
+  $o_5->html_format = [TagSpecHtmlFormat::AMP4ADS];
   $o_0->tags[] = $o_5;
-  $o_6 = new TagSpec();
-  $o_6->tag_name = 'title';
-  $o_6->spec_name = 'title';
-  $o_0->tags[] = $o_6;
   $o_7 = new TagSpec();
-  $o_7->tag_name = 'base';
-  $o_8 = new AttrSpec();
-  $o_8->name = 'target';
-  $o_8->value_regex_casei = '(_blank|_self)';
-  $o_7->attrs[] = $o_8;
+  $o_7->tag_name = 'head';
+  $o_7->mandatory = true;
+  $o_7->unique = true;
+  $o_7->mandatory_parent = 'html';
+  $o_7->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
   $o_0->tags[] = $o_7;
+  $o_8 = new TagSpec();
+  $o_8->tag_name = 'title';
+  $o_8->spec_name = 'title';
+  $o_0->tags[] = $o_8;
   $o_9 = new TagSpec();
-  $o_9->tag_name = 'link';
-  $o_9->spec_name = 'link rel=';
+  $o_9->tag_name = 'base';
+  $o_9->unique = true;
+  $o_9->mandatory_parent = 'head';
   $o_10 = new AttrSpec();
   $o_10->name = 'href';
+  $o_10->value = '/';
   $o_9->attrs[] = $o_10;
   $o_11 = new AttrSpec();
-  $o_11->name = 'rel';
-  $o_11->mandatory = true;
-  $o_11->blacklisted_value_regex = '(^|\\s)(canonical|components|dns-prefetch|import|manifest|preconnect|prefetch|preload|prerender|serviceworker|stylesheet|subresource|)(\\s|$)';
+  $o_11->name = 'target';
+  $o_11->value_regex_casei = '(_blank|_self|_top)';
   $o_9->attrs[] = $o_11;
-  $o_12 = new AttrSpec();
-  $o_12->name = 'sizes';
-  $o_9->attrs[] = $o_12;
-  $o_13 = new AttrSpec();
-  $o_13->name = 'type';
-  $o_9->attrs[] = $o_13;
-  $o_9->attr_lists = ['common-link-attrs'];
-  $o_9->disallowed_ancestor = ['template'];
   $o_0->tags[] = $o_9;
-  $o_14 = new TagSpec();
-  $o_14->tag_name = 'link';
-  $o_14->spec_name = 'link rel=canonical';
+  $o_12 = new TagSpec();
+  $o_12->tag_name = 'link';
+  $o_12->spec_name = 'link rel=';
+  $o_13 = new AttrSpec();
+  $o_13->name = 'href';
+  $o_12->attrs[] = $o_13;
+  $o_14 = new AttrSpec();
+  $o_14->name = 'rel';
   $o_14->mandatory = true;
-  $o_14->unique = true;
-  $o_14->mandatory_parent = 'head';
+  $o_14->blacklisted_value_regex = '(^|\\s)(canonical|components|import|manifest|serviceworker|stylesheet|subresource|)(\\s|$)';
+  $o_12->attrs[] = $o_14;
   $o_15 = new AttrSpec();
-  $o_15->name = 'href';
-  $o_15->mandatory = true;
-  $o_16 = new UrlSpec();
-  $o_16->allowed_protocol = ['http', 'https'];
-  $o_16->allow_relative = true;
-  $o_15->value_url = $o_16;
-  $o_14->attrs[] = $o_15;
-  $o_17 = new AttrSpec();
-  $o_17->name = 'rel';
+  $o_15->name = 'sizes';
+  $o_12->attrs[] = $o_15;
+  $o_16 = new AttrSpec();
+  $o_16->name = 'type';
+  $o_12->attrs[] = $o_16;
+  $o_12->attr_lists = ['common-link-attrs'];
+  $o_12->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_12->disallowed_ancestor = ['TEMPLATE'];
+  $o_0->tags[] = $o_12;
+  $o_17 = new TagSpec();
+  $o_17->tag_name = 'link';
+  $o_17->spec_name = 'link rel=canonical';
   $o_17->mandatory = true;
-  $o_17->value = 'canonical';
-  $o_17->dispatch_key = true;
-  $o_14->attrs[] = $o_17;
-  $o_14->attr_lists = ['common-link-attrs'];
-  $o_14->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
-  $o_0->tags[] = $o_14;
-  $o_18 = new TagSpec();
-  $o_18->tag_name = 'link';
-  $o_18->spec_name = 'link rel=stylesheet for fonts';
-  $o_18->mandatory_parent = 'head';
-  $o_19 = new AttrSpec();
-  $o_19->name = 'href';
-  $o_19->mandatory = true;
-  $o_19->value_regex = 'https://fonts\\.googleapis\\.com/css\\?.*|https://fonts\\.googleapis\\.com/icon\\?.*|https://fonts\\.googleapis\\.com/earlyaccess/.*\\.css|https://fast\\.fonts\\.net/.*|https://maxcdn\\.bootstrapcdn\\.com/font-awesome/.*';
-  $o_18->attrs[] = $o_19;
+  $o_17->unique = true;
+  $o_17->mandatory_parent = 'head';
+  $o_18 = new AttrSpec();
+  $o_18->name = 'href';
+  $o_18->mandatory = true;
+  $o_18->blacklisted_value_regex = '__amp_source_origin';
+  $o_19 = new UrlSpec();
+  $o_19->allowed_protocol = ['http', 'https'];
+  $o_19->allow_relative = true;
+  $o_18->value_url = $o_19;
+  $o_17->attrs[] = $o_18;
   $o_20 = new AttrSpec();
   $o_20->name = 'rel';
   $o_20->mandatory = true;
-  $o_20->value = 'stylesheet';
   $o_20->dispatch_key = true;
-  $o_18->attrs[] = $o_20;
-  $o_21 = new AttrSpec();
-  $o_21->name = 'type';
-  $o_21->value = 'text/css';
-  $o_18->attrs[] = $o_21;
+  $o_20->value_casei = 'canonical';
+  $o_17->attrs[] = $o_20;
+  $o_17->attr_lists = ['common-link-attrs'];
+  $o_17->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_17->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_17;
+  $o_21 = new TagSpec();
+  $o_21->tag_name = 'link';
+  $o_21->spec_name = 'link rel=manifest';
+  $o_21->mandatory_parent = 'head';
   $o_22 = new AttrSpec();
-  $o_22->name = 'media';
-  $o_18->attrs[] = $o_22;
-  $o_0->tags[] = $o_18;
-  $o_23 = new TagSpec();
-  $o_23->tag_name = 'link';
-  $o_23->spec_name = 'link itemprop=sameAs';
+  $o_22->name = 'href';
+  $o_22->mandatory = true;
+  $o_22->blacklisted_value_regex = '__amp_source_origin';
+  $o_23 = new UrlSpec();
+  $o_23->allowed_protocol = ['https'];
+  $o_23->allow_relative = true;
+  $o_22->value_url = $o_23;
+  $o_21->attrs[] = $o_22;
   $o_24 = new AttrSpec();
-  $o_24->name = 'href';
+  $o_24->name = 'rel';
   $o_24->mandatory = true;
-  $o_23->attrs[] = $o_24;
-  $o_25 = new AttrSpec();
-  $o_25->name = 'itemprop';
-  $o_25->mandatory = true;
-  $o_25->value = 'sameAs';
-  $o_25->dispatch_key = true;
-  $o_23->attrs[] = $o_25;
-  $o_23->attr_lists = ['common-link-attrs'];
-  $o_0->tags[] = $o_23;
-  $o_26 = new TagSpec();
-  $o_26->tag_name = 'link';
-  $o_26->spec_name = 'link itemprop=';
+  $o_24->dispatch_key = true;
+  $o_24->value_casei = 'manifest';
+  $o_21->attrs[] = $o_24;
+  $o_21->attr_lists = ['common-link-attrs'];
+  $o_21->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_21->satisfies = ['amp-app-banner data source'];
+  $o_0->tags[] = $o_21;
+  $o_25 = new TagSpec();
+  $o_25->tag_name = 'link';
+  $o_25->spec_name = 'link rel=stylesheet for fonts';
+  $o_25->mandatory_parent = 'head';
+  $o_26 = new AttrSpec();
+  $o_26->name = 'async';
+  $o_25->attrs[] = $o_26;
   $o_27 = new AttrSpec();
   $o_27->name = 'href';
   $o_27->mandatory = true;
-  $o_26->attrs[] = $o_27;
+  $o_27->value_regex = 'https://fonts\\.googleapis\\.com/css\\?.*|https://fonts\\.googleapis\\.com/icon\\?.*|https://fonts\\.googleapis\\.com/earlyaccess/.*\\.css|https://fast\\.fonts\\.net/.*|https://maxcdn\\.bootstrapcdn\\.com/font-awesome/([0-9]+\\.?)+/css/font-awesome\\.min\\.css(\\?.*)?|https://cloud\\.typography\\.com/[0-9]*/[0-9]*/css/fonts\\.css';
+  $o_25->attrs[] = $o_27;
   $o_28 = new AttrSpec();
-  $o_28->name = 'itemprop';
+  $o_28->name = 'rel';
   $o_28->mandatory = true;
-  $o_26->attrs[] = $o_28;
-  $o_26->attr_lists = ['common-link-attrs'];
-  $o_0->tags[] = $o_26;
-  $o_29 = new TagSpec();
-  $o_29->tag_name = 'meta';
-  $o_29->spec_name = 'meta charset=utf-8';
-  $o_29->mandatory = true;
-  $o_29->unique = true;
-  $o_29->mandatory_parent = 'head';
+  $o_28->dispatch_key = true;
+  $o_28->value_casei = 'stylesheet';
+  $o_25->attrs[] = $o_28;
+  $o_29 = new AttrSpec();
+  $o_29->name = 'type';
+  $o_29->value_casei = 'text/css';
+  $o_25->attrs[] = $o_29;
   $o_30 = new AttrSpec();
-  $o_30->name = 'charset';
-  $o_30->mandatory = true;
-  $o_30->value = 'utf-8';
-  $o_30->dispatch_key = true;
-  $o_29->attrs[] = $o_30;
-  $o_29->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
-  $o_0->tags[] = $o_29;
-  $o_31 = new TagSpec();
-  $o_31->tag_name = 'meta';
-  $o_31->spec_name = 'meta name=viewport';
-  $o_31->mandatory = true;
-  $o_31->unique = true;
-  $o_31->mandatory_parent = 'head';
+  $o_30->name = 'media';
+  $o_25->attrs[] = $o_30;
+  $o_31 = new AttrSpec();
+  $o_31->name = 'crossorigin';
+  $o_25->attrs[] = $o_31;
   $o_32 = new AttrSpec();
-  $o_32->name = 'content';
-  $o_32->mandatory = true;
-  $o_33 = new PropertySpecList();
-  $o_34 = new PropertySpec();
-  $o_34->name = 'width';
+  $o_32->name = 'integrity';
+  $o_25->attrs[] = $o_32;
+  $o_25->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#custom-fonts';
+  $o_0->tags[] = $o_25;
+  $o_33 = new TagSpec();
+  $o_33->tag_name = 'link';
+  $o_33->spec_name = 'link itemprop=sameAs';
+  $o_34 = new AttrSpec();
+  $o_34->name = 'href';
   $o_34->mandatory = true;
-  $o_34->value = 'device-width';
-  $o_33->properties[] = $o_34;
-  $o_35 = new PropertySpec();
-  $o_35->name = 'height';
-  $o_33->properties[] = $o_35;
-  $o_36 = new PropertySpec();
-  $o_36->name = 'initial-scale';
-  $o_33->properties[] = $o_36;
-  $o_37 = new PropertySpec();
-  $o_37->name = 'minimum-scale';
+  $o_33->attrs[] = $o_34;
+  $o_35 = new AttrSpec();
+  $o_35->name = 'itemprop';
+  $o_35->mandatory = true;
+  $o_35->dispatch_key = true;
+  $o_35->value_casei = 'sameas';
+  $o_33->attrs[] = $o_35;
+  $o_33->attr_lists = ['common-link-attrs'];
+  $o_33->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_33;
+  $o_36 = new TagSpec();
+  $o_36->tag_name = 'link';
+  $o_36->spec_name = 'link itemprop=';
+  $o_37 = new AttrSpec();
+  $o_37->name = 'href';
   $o_37->mandatory = true;
-  $o_37->value_double = 1.0;
-  $o_33->properties[] = $o_37;
-  $o_38 = new PropertySpec();
-  $o_38->name = 'maximum-scale';
-  $o_33->properties[] = $o_38;
-  $o_39 = new PropertySpec();
-  $o_39->name = 'shrink-to-fit';
-  $o_33->properties[] = $o_39;
-  $o_40 = new PropertySpec();
-  $o_40->name = 'user-scalable';
-  $o_33->properties[] = $o_40;
-  $o_32->value_properties = $o_33;
-  $o_31->attrs[] = $o_32;
+  $o_36->attrs[] = $o_37;
+  $o_38 = new AttrSpec();
+  $o_38->name = 'itemprop';
+  $o_38->mandatory = true;
+  $o_36->attrs[] = $o_38;
+  $o_36->attr_lists = ['common-link-attrs'];
+  $o_36->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_36;
+  $o_39 = new TagSpec();
+  $o_39->tag_name = 'link';
+  $o_39->spec_name = 'link property=';
+  $o_40 = new AttrSpec();
+  $o_40->name = 'href';
+  $o_40->mandatory = true;
+  $o_39->attrs[] = $o_40;
   $o_41 = new AttrSpec();
-  $o_41->name = 'name';
+  $o_41->name = 'property';
   $o_41->mandatory = true;
-  $o_41->value = 'viewport';
-  $o_41->dispatch_key = true;
-  $o_31->attrs[] = $o_41;
-  $o_31->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
-  $o_0->tags[] = $o_31;
+  $o_39->attrs[] = $o_41;
+  $o_39->attr_lists = ['common-link-attrs'];
+  $o_39->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_39;
   $o_42 = new TagSpec();
   $o_42->tag_name = 'meta';
-  $o_42->spec_name = 'meta http-equiv=X-UA-Compatible';
+  $o_42->spec_name = 'meta charset=utf-8';
+  $o_42->mandatory = true;
+  $o_42->unique = true;
+  $o_42->mandatory_parent = 'head';
   $o_43 = new AttrSpec();
-  $o_43->name = 'http-equiv';
+  $o_43->name = 'charset';
   $o_43->mandatory = true;
-  $o_43->value = 'X-UA-Compatible';
   $o_43->dispatch_key = true;
+  $o_43->value_casei = 'utf-8';
   $o_42->attrs[] = $o_43;
-  $o_44 = new AttrSpec();
-  $o_44->name = 'content';
+  $o_42->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_0->tags[] = $o_42;
+  $o_44 = new TagSpec();
+  $o_44->tag_name = 'meta';
+  $o_44->spec_name = 'meta name=viewport';
   $o_44->mandatory = true;
-  $o_45 = new PropertySpecList();
-  $o_46 = new PropertySpec();
-  $o_46->name = 'ie';
-  $o_46->value = 'edge';
-  $o_45->properties[] = $o_46;
+  $o_44->unique = true;
+  $o_44->mandatory_parent = 'head';
+  $o_45 = new AttrSpec();
+  $o_45->name = 'content';
+  $o_45->mandatory = true;
+  $o_46 = new PropertySpecList();
   $o_47 = new PropertySpec();
-  $o_47->name = 'chrome';
-  $o_47->value = '1';
-  $o_45->properties[] = $o_47;
-  $o_44->value_properties = $o_45;
-  $o_42->attrs[] = $o_44;
-  $o_0->tags[] = $o_42;
-  $o_48 = new TagSpec();
-  $o_48->tag_name = 'meta';
-  $o_48->spec_name = 'meta name= and content=';
-  $o_49 = new AttrSpec();
-  $o_49->name = 'name';
-  $o_49->blacklisted_value_regex = '(^|\\s)(viewport|content-disposition|revisit-after)(\\s|$)';
-  $o_48->attrs[] = $o_49;
-  $o_50 = new AttrSpec();
-  $o_50->name = 'content';
-  $o_48->attrs[] = $o_50;
-  $o_51 = new AttrSpec();
-  $o_51->name = 'property';
-  $o_48->attrs[] = $o_51;
-  $o_52 = new AttrSpec();
-  $o_52->name = 'itemprop';
-  $o_48->attrs[] = $o_52;
-  $o_0->tags[] = $o_48;
-  $o_53 = new TagSpec();
-  $o_53->tag_name = 'meta';
-  $o_53->spec_name = 'meta http-equiv=content-type';
+  $o_47->name = 'width';
+  $o_47->mandatory = true;
+  $o_47->value = 'device-width';
+  $o_46->properties[] = $o_47;
+  $o_48 = new PropertySpec();
+  $o_48->name = 'height';
+  $o_46->properties[] = $o_48;
+  $o_49 = new PropertySpec();
+  $o_49->name = 'initial-scale';
+  $o_46->properties[] = $o_49;
+  $o_50 = new PropertySpec();
+  $o_50->name = 'minimum-scale';
+  $o_50->mandatory = true;
+  $o_50->value_double = 1.0;
+  $o_46->properties[] = $o_50;
+  $o_51 = new PropertySpec();
+  $o_51->name = 'maximum-scale';
+  $o_46->properties[] = $o_51;
+  $o_52 = new PropertySpec();
+  $o_52->name = 'shrink-to-fit';
+  $o_46->properties[] = $o_52;
+  $o_53 = new PropertySpec();
+  $o_53->name = 'user-scalable';
+  $o_46->properties[] = $o_53;
+  $o_45->value_properties = $o_46;
+  $o_44->attrs[] = $o_45;
   $o_54 = new AttrSpec();
-  $o_54->name = 'http-equiv';
+  $o_54->name = 'name';
   $o_54->mandatory = true;
-  $o_54->value = 'content-type';
+  $o_54->value = 'viewport';
   $o_54->dispatch_key = true;
-  $o_53->attrs[] = $o_54;
-  $o_55 = new AttrSpec();
-  $o_55->name = 'content';
-  $o_55->mandatory = true;
-  $o_55->value = 'text/html; charset=utf-8';
-  $o_53->attrs[] = $o_55;
-  $o_0->tags[] = $o_53;
-  $o_56 = new TagSpec();
-  $o_56->tag_name = 'meta';
-  $o_56->spec_name = 'meta http-equiv=Content-Type';
+  $o_44->attrs[] = $o_54;
+  $o_44->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_0->tags[] = $o_44;
+  $o_55 = new TagSpec();
+  $o_55->tag_name = 'meta';
+  $o_55->spec_name = 'meta http-equiv=X-UA-Compatible';
+  $o_56 = new AttrSpec();
+  $o_56->name = 'http-equiv';
+  $o_56->mandatory = true;
+  $o_56->dispatch_key = true;
+  $o_56->value_casei = 'x-ua-compatible';
+  $o_55->attrs[] = $o_56;
   $o_57 = new AttrSpec();
-  $o_57->name = 'http-equiv';
+  $o_57->name = 'content';
   $o_57->mandatory = true;
-  $o_57->value = 'Content-Type';
-  $o_57->dispatch_key = true;
-  $o_56->attrs[] = $o_57;
-  $o_58 = new AttrSpec();
-  $o_58->name = 'content';
-  $o_58->mandatory = true;
-  $o_58->value = 'text/html; charset=utf-8';
-  $o_56->attrs[] = $o_58;
-  $o_0->tags[] = $o_56;
-  $o_59 = new TagSpec();
-  $o_59->tag_name = 'meta';
-  $o_59->spec_name = 'meta http-equiv=content-language';
-  $o_60 = new AttrSpec();
-  $o_60->name = 'http-equiv';
-  $o_60->mandatory = true;
-  $o_60->value = 'content-language';
-  $o_60->dispatch_key = true;
-  $o_59->attrs[] = $o_60;
-  $o_61 = new AttrSpec();
-  $o_61->name = 'content';
-  $o_61->mandatory = true;
-  $o_59->attrs[] = $o_61;
-  $o_0->tags[] = $o_59;
-  $o_62 = new TagSpec();
-  $o_62->tag_name = 'meta';
-  $o_62->spec_name = 'meta http-equiv=pics-label';
+  $o_58 = new PropertySpecList();
+  $o_59 = new PropertySpec();
+  $o_59->name = 'ie';
+  $o_59->value = 'edge';
+  $o_58->properties[] = $o_59;
+  $o_60 = new PropertySpec();
+  $o_60->name = 'chrome';
+  $o_60->value = '1';
+  $o_58->properties[] = $o_60;
+  $o_57->value_properties = $o_58;
+  $o_55->attrs[] = $o_57;
+  $o_55->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_55;
+  $o_61 = new TagSpec();
+  $o_61->tag_name = 'meta';
+  $o_61->spec_name = 'meta name=apple-itunes-app';
+  $o_61->mandatory_parent = 'head';
+  $o_62 = new AttrSpec();
+  $o_62->name = 'name';
+  $o_62->mandatory = true;
+  $o_62->dispatch_key = true;
+  $o_62->value_casei = 'apple-itunes-app';
+  $o_61->attrs[] = $o_62;
   $o_63 = new AttrSpec();
-  $o_63->name = 'http-equiv';
+  $o_63->name = 'content';
   $o_63->mandatory = true;
-  $o_63->value = 'pics-label';
-  $o_63->dispatch_key = true;
-  $o_62->attrs[] = $o_63;
-  $o_64 = new AttrSpec();
-  $o_64->name = 'content';
-  $o_64->mandatory = true;
-  $o_62->attrs[] = $o_64;
-  $o_0->tags[] = $o_62;
-  $o_65 = new TagSpec();
-  $o_65->tag_name = 'meta';
-  $o_65->spec_name = 'meta http-equiv=imagetoolbar';
+  $o_63->value_regex = '.*app-id=.*';
+  $o_61->attrs[] = $o_63;
+  $o_61->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_61->satisfies = ['amp-app-banner data source'];
+  $o_0->tags[] = $o_61;
+  $o_64 = new TagSpec();
+  $o_64->tag_name = 'meta';
+  $o_64->spec_name = 'meta name= and content=';
+  $o_65 = new AttrSpec();
+  $o_65->name = 'name';
+  $o_65->blacklisted_value_regex = '(^|\\s)(viewport|content-disposition|revisit-after|apple-itunes-app)(\\s|$)';
+  $o_64->attrs[] = $o_65;
   $o_66 = new AttrSpec();
-  $o_66->name = 'http-equiv';
-  $o_66->mandatory = true;
-  $o_66->value = 'imagetoolbar';
-  $o_66->dispatch_key = true;
-  $o_65->attrs[] = $o_66;
+  $o_66->name = 'content';
+  $o_64->attrs[] = $o_66;
   $o_67 = new AttrSpec();
-  $o_67->name = 'content';
-  $o_67->mandatory = true;
-  $o_65->attrs[] = $o_67;
-  $o_0->tags[] = $o_65;
-  $o_68 = new TagSpec();
-  $o_68->tag_name = 'meta';
-  $o_68->spec_name = 'meta http-equiv=Content-Style-Type';
-  $o_69 = new AttrSpec();
-  $o_69->name = 'http-equiv';
-  $o_69->mandatory = true;
-  $o_69->value = 'Content-Style-Type';
-  $o_69->dispatch_key = true;
-  $o_68->attrs[] = $o_69;
+  $o_67->name = 'property';
+  $o_64->attrs[] = $o_67;
+  $o_68 = new AttrSpec();
+  $o_68->name = 'itemprop';
+  $o_64->attrs[] = $o_68;
+  $o_0->tags[] = $o_64;
+  $o_69 = new TagSpec();
+  $o_69->tag_name = 'meta';
+  $o_69->spec_name = 'meta http-equiv=Content-Type';
   $o_70 = new AttrSpec();
-  $o_70->name = 'content';
+  $o_70->name = 'http-equiv';
   $o_70->mandatory = true;
-  $o_70->value = 'text/css';
-  $o_68->attrs[] = $o_70;
-  $o_0->tags[] = $o_68;
-  $o_71 = new TagSpec();
-  $o_71->tag_name = 'meta';
-  $o_71->spec_name = 'meta http-equiv=Content-Script-Type';
-  $o_72 = new AttrSpec();
-  $o_72->name = 'http-equiv';
-  $o_72->mandatory = true;
-  $o_72->value = 'Content-Script-Type';
-  $o_72->dispatch_key = true;
-  $o_71->attrs[] = $o_72;
+  $o_70->dispatch_key = true;
+  $o_70->value_casei = 'content-type';
+  $o_69->attrs[] = $o_70;
+  $o_71 = new AttrSpec();
+  $o_71->name = 'content';
+  $o_71->mandatory = true;
+  $o_71->value_casei = 'text/html; charset=utf-8';
+  $o_69->attrs[] = $o_71;
+  $o_69->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_69;
+  $o_72 = new TagSpec();
+  $o_72->tag_name = 'meta';
+  $o_72->spec_name = 'meta http-equiv=content-language';
   $o_73 = new AttrSpec();
-  $o_73->name = 'content';
+  $o_73->name = 'http-equiv';
   $o_73->mandatory = true;
-  $o_73->value = 'text/javascript';
-  $o_71->attrs[] = $o_73;
-  $o_0->tags[] = $o_71;
-  $o_74 = new TagSpec();
-  $o_74->tag_name = 'meta';
-  $o_74->spec_name = 'meta http-equiv=resource-type';
-  $o_75 = new AttrSpec();
-  $o_75->name = 'http-equiv';
-  $o_75->mandatory = true;
-  $o_75->value = 'RESOURCE-TYPE';
-  $o_75->dispatch_key = true;
-  $o_74->attrs[] = $o_75;
+  $o_73->dispatch_key = true;
+  $o_73->value_casei = 'content-language';
+  $o_72->attrs[] = $o_73;
+  $o_74 = new AttrSpec();
+  $o_74->name = 'content';
+  $o_74->mandatory = true;
+  $o_72->attrs[] = $o_74;
+  $o_72->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_72;
+  $o_75 = new TagSpec();
+  $o_75->tag_name = 'meta';
+  $o_75->spec_name = 'meta http-equiv=pics-label';
   $o_76 = new AttrSpec();
-  $o_76->name = 'content';
+  $o_76->name = 'http-equiv';
   $o_76->mandatory = true;
-  $o_74->attrs[] = $o_76;
-  $o_0->tags[] = $o_74;
-  $o_77 = new TagSpec();
-  $o_77->tag_name = 'style';
-  $o_77->spec_name = 'style amp-custom';
-  $o_77->unique = true;
-  $o_77->mandatory_parent = 'head';
-  $o_78 = new AttrSpec();
-  $o_78->name = 'amp-custom';
-  $o_78->mandatory = true;
-  $o_78->value = '';
-  $o_77->attrs[] = $o_78;
+  $o_76->dispatch_key = true;
+  $o_76->value_casei = 'pics-label';
+  $o_75->attrs[] = $o_76;
+  $o_77 = new AttrSpec();
+  $o_77->name = 'content';
+  $o_77->mandatory = true;
+  $o_75->attrs[] = $o_77;
+  $o_75->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_75;
+  $o_78 = new TagSpec();
+  $o_78->tag_name = 'meta';
+  $o_78->spec_name = 'meta http-equiv=imagetoolbar';
   $o_79 = new AttrSpec();
-  $o_79->name = 'type';
-  $o_79->value = 'text/css';
-  $o_77->attrs[] = $o_79;
-  $o_77->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#stylesheets';
-  $o_80 = new CdataSpec();
-  $o_80->max_bytes = 50000;
-  $o_80->max_bytes_spec_url = 'https://www.ampproject.org/docs/reference/spec.html#maximum-size';
-  $o_81 = new BlackListedCDataRegex();
-  $o_81->regex = '<!--';
-  $o_81->error_message = 'html comments';
-  $o_80->blacklisted_cdata_regex[] = $o_81;
-  $o_82 = new BlackListedCDataRegex();
-  $o_82->regex = '\\.i?-amp-';
-  $o_82->error_message = 'CSS -amp- class name prefix';
-  $o_80->blacklisted_cdata_regex[] = $o_82;
-  $o_83 = new BlackListedCDataRegex();
-  $o_83->regex = '!important';
-  $o_83->error_message = 'CSS !important';
-  $o_80->blacklisted_cdata_regex[] = $o_83;
-  $o_84 = new CssSpec();
-  $o_85 = new AtRuleSpec();
-  $o_85->name = 'font-face';
-  $o_85->type = AtRuleSpecBlockType::PARSE_AS_DECLARATIONS;
-  $o_84->at_rule_spec[] = $o_85;
-  $o_86 = new AtRuleSpec();
-  $o_86->name = 'keyframes';
-  $o_86->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_86;
-  $o_87 = new AtRuleSpec();
-  $o_87->name = 'media';
-  $o_87->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_87;
-  $o_88 = new AtRuleSpec();
-  $o_88->name = 'supports';
-  $o_88->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_88;
-  $o_89 = new AtRuleSpec();
-  $o_89->name = '-moz-keyframes';
-  $o_89->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_89;
-  $o_90 = new AtRuleSpec();
-  $o_90->name = '-o-keyframes';
-  $o_90->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_90;
-  $o_91 = new AtRuleSpec();
-  $o_91->name = '-webkit-keyframes';
-  $o_91->type = AtRuleSpecBlockType::PARSE_AS_RULES;
-  $o_84->at_rule_spec[] = $o_91;
-  $o_92 = new AtRuleSpec();
-  $o_92->name = '$DEFAULT';
-  $o_92->type = AtRuleSpecBlockType::PARSE_AS_ERROR;
-  $o_84->at_rule_spec[] = $o_92;
-  $o_93 = new UrlSpec();
-  $o_93->allowed_protocol = ['https', 'http', 'data', 'absolute'];
-  $o_93->allow_relative = true;
-  $o_93->allow_empty = true;
-  $o_84->image_url_spec = $o_93;
-  $o_94 = new UrlSpec();
-  $o_94->allowed_protocol = ['https', 'http', 'data'];
-  $o_94->allow_relative = true;
-  $o_94->allow_empty = true;
-  $o_84->font_url_spec = $o_94;
-  $o_80->css_spec = $o_84;
-  $o_77->cdata = $o_80;
-  $o_0->tags[] = $o_77;
-  $o_95 = new TagSpec();
-  $o_95->tag_name = 'style';
-  $o_95->spec_name = 'head > style[amp-boilerplate] - old variant';
-  $o_95->mandatory_alternatives = 'head > style[amp-boilerplate]';
-  $o_95->unique = true;
-  $o_95->mandatory_parent = 'head';
-  $o_95->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_96 = new CdataSpec();
-  $o_96->cdata_regex = 'body ?{opacity: ?0}';
-  $o_95->cdata = $o_96;
-  $o_95->deprecation = 'head > style[amp-boilerplate]';
-  $o_95->deprecation_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_0->tags[] = $o_95;
-  $o_97 = new TagSpec();
-  $o_97->tag_name = 'style';
-  $o_97->spec_name = 'noscript > style[amp-boilerplate] - old variant';
-  $o_97->mandatory_alternatives = 'noscript > style[amp-boilerplate]';
-  $o_97->unique = true;
-  $o_97->mandatory_parent = 'noscript';
-  $o_97->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_98 = new CdataSpec();
-  $o_98->cdata_regex = 'body ?{opacity: ?1}';
-  $o_97->cdata = $o_98;
-  $o_97->deprecation = 'noscript > style[amp-boilerplate]';
-  $o_97->deprecation_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_0->tags[] = $o_97;
-  $o_99 = new TagSpec();
-  $o_99->tag_name = 'style';
-  $o_99->spec_name = 'head > style[amp-boilerplate]';
-  $o_99->mandatory_alternatives = 'head > style[amp-boilerplate]';
-  $o_99->unique = true;
-  $o_99->mandatory_parent = 'head';
-  $o_100 = new AttrSpec();
-  $o_100->name = 'amp-boilerplate';
-  $o_100->mandatory = true;
-  $o_100->value = '';
-  $o_100->dispatch_key = true;
-  $o_99->attrs[] = $o_100;
-  $o_99->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_101 = new CdataSpec();
-  $o_101->cdata_regex = '\\s*body{-webkit-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;-moz-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;-ms-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both}@-webkit-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}\\s*';
-  $o_99->cdata = $o_101;
-  $o_99->also_requires_tag = ['noscript > style[amp-boilerplate]'];
-  $o_0->tags[] = $o_99;
-  $o_102 = new TagSpec();
-  $o_102->tag_name = 'style';
-  $o_102->spec_name = 'noscript > style[amp-boilerplate]';
-  $o_102->mandatory_alternatives = 'noscript > style[amp-boilerplate]';
-  $o_102->unique = true;
-  $o_102->mandatory_parent = 'noscript';
-  $o_103 = new AttrSpec();
-  $o_103->name = 'amp-boilerplate';
-  $o_103->mandatory = true;
-  $o_103->value = '';
-  $o_103->dispatch_key = true;
-  $o_102->attrs[] = $o_103;
-  $o_102->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
-  $o_104 = new CdataSpec();
-  $o_104->cdata_regex = '\\s*body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}\\s*';
-  $o_102->cdata = $o_104;
-  $o_102->also_requires_tag = ['head > style[amp-boilerplate]'];
-  $o_0->tags[] = $o_102;
-  $o_105 = new TagSpec();
-  $o_105->tag_name = 'body';
-  $o_105->mandatory = true;
-  $o_105->unique = true;
-  $o_105->mandatory_parent = 'html';
-  $o_105->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
-  $o_0->tags[] = $o_105;
-  $o_106 = new TagSpec();
-  $o_106->tag_name = 'article';
-  $o_0->tags[] = $o_106;
-  $o_107 = new TagSpec();
-  $o_107->tag_name = 'section';
-  $o_107->disallowed_ancestor = ['amp-accordion'];
-  $o_0->tags[] = $o_107;
-  $o_108 = new TagSpec();
-  $o_108->tag_name = 'nav';
-  $o_0->tags[] = $o_108;
-  $o_109 = new TagSpec();
-  $o_109->tag_name = 'aside';
-  $o_0->tags[] = $o_109;
-  $o_110 = new TagSpec();
-  $o_110->tag_name = 'h1';
-  $o_111 = new AttrSpec();
-  $o_111->name = 'align';
-  $o_110->attrs[] = $o_111;
-  $o_0->tags[] = $o_110;
+  $o_79->name = 'http-equiv';
+  $o_79->mandatory = true;
+  $o_79->dispatch_key = true;
+  $o_79->value_casei = 'imagetoolbar';
+  $o_78->attrs[] = $o_79;
+  $o_80 = new AttrSpec();
+  $o_80->name = 'content';
+  $o_80->mandatory = true;
+  $o_78->attrs[] = $o_80;
+  $o_78->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_78;
+  $o_81 = new TagSpec();
+  $o_81->tag_name = 'meta';
+  $o_81->spec_name = 'meta http-equiv=Content-Style-Type';
+  $o_82 = new AttrSpec();
+  $o_82->name = 'http-equiv';
+  $o_82->mandatory = true;
+  $o_82->dispatch_key = true;
+  $o_82->value_casei = 'content-style-type';
+  $o_81->attrs[] = $o_82;
+  $o_83 = new AttrSpec();
+  $o_83->name = 'content';
+  $o_83->mandatory = true;
+  $o_83->value_casei = 'text/css';
+  $o_81->attrs[] = $o_83;
+  $o_81->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_81;
+  $o_84 = new TagSpec();
+  $o_84->tag_name = 'meta';
+  $o_84->spec_name = 'meta http-equiv=Content-Script-Type';
+  $o_85 = new AttrSpec();
+  $o_85->name = 'http-equiv';
+  $o_85->mandatory = true;
+  $o_85->dispatch_key = true;
+  $o_85->value_casei = 'content-script-type';
+  $o_84->attrs[] = $o_85;
+  $o_86 = new AttrSpec();
+  $o_86->name = 'content';
+  $o_86->mandatory = true;
+  $o_86->value_casei = 'text/javascript';
+  $o_84->attrs[] = $o_86;
+  $o_84->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_84;
+  $o_87 = new TagSpec();
+  $o_87->tag_name = 'meta';
+  $o_87->spec_name = 'meta http-equiv=origin-trial';
+  $o_88 = new AttrSpec();
+  $o_88->name = 'http-equiv';
+  $o_88->mandatory = true;
+  $o_88->dispatch_key = true;
+  $o_88->value_casei = 'origin-trial';
+  $o_87->attrs[] = $o_88;
+  $o_89 = new AttrSpec();
+  $o_89->name = 'content';
+  $o_89->mandatory = true;
+  $o_87->attrs[] = $o_89;
+  $o_87->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_87;
+  $o_90 = new TagSpec();
+  $o_90->tag_name = 'meta';
+  $o_90->spec_name = 'meta http-equiv=resource-type';
+  $o_91 = new AttrSpec();
+  $o_91->name = 'http-equiv';
+  $o_91->mandatory = true;
+  $o_91->dispatch_key = true;
+  $o_91->value_casei = 'resource-type';
+  $o_90->attrs[] = $o_91;
+  $o_92 = new AttrSpec();
+  $o_92->name = 'content';
+  $o_92->mandatory = true;
+  $o_90->attrs[] = $o_92;
+  $o_90->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#html-tags';
+  $o_0->tags[] = $o_90;
+  $o_93 = new TagSpec();
+  $o_93->tag_name = 'style';
+  $o_93->spec_name = 'style amp-custom';
+  $o_93->unique = true;
+  $o_93->mandatory_parent = 'head';
+  $o_94 = new AttrSpec();
+  $o_94->name = 'amp-custom';
+  $o_94->mandatory = true;
+  $o_94->value = '';
+  $o_93->attrs[] = $o_94;
+  $o_95 = new AttrSpec();
+  $o_95->name = 'nonce';
+  $o_93->attrs[] = $o_95;
+  $o_96 = new AttrSpec();
+  $o_96->name = 'type';
+  $o_96->value_casei = 'text/css';
+  $o_93->attrs[] = $o_96;
+  $o_93->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#stylesheets';
+  $o_97 = new CdataSpec();
+  $o_97->max_bytes = 50000;
+  $o_97->max_bytes_spec_url = 'https://www.ampproject.org/docs/reference/spec.html#maximum-size';
+  $o_98 = new BlackListedCDataRegex();
+  $o_98->regex = '<!--';
+  $o_98->error_message = 'html comments';
+  $o_97->blacklisted_cdata_regex[] = $o_98;
+  $o_99 = new BlackListedCDataRegex();
+  $o_99->regex = '(^|\\W)i-amphtml-';
+  $o_99->error_message = 'CSS i-amphtml- name prefix';
+  $o_97->blacklisted_cdata_regex[] = $o_99;
+  $o_100 = new BlackListedCDataRegex();
+  $o_100->regex = '!important';
+  $o_100->error_message = 'CSS !important';
+  $o_97->blacklisted_cdata_regex[] = $o_100;
+  $o_101 = new CssSpec();
+  $o_102 = new AtRuleSpec();
+  $o_102->name = 'font-face';
+  $o_102->type = AtRuleSpecBlockType::PARSE_AS_DECLARATIONS;
+  $o_101->at_rule_spec[] = $o_102;
+  $o_103 = new AtRuleSpec();
+  $o_103->name = 'keyframes';
+  $o_103->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_103;
+  $o_104 = new AtRuleSpec();
+  $o_104->name = 'media';
+  $o_104->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_104;
+  $o_105 = new AtRuleSpec();
+  $o_105->name = 'supports';
+  $o_105->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_105;
+  $o_106 = new AtRuleSpec();
+  $o_106->name = '-moz-keyframes';
+  $o_106->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_106;
+  $o_107 = new AtRuleSpec();
+  $o_107->name = '-o-keyframes';
+  $o_107->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_107;
+  $o_108 = new AtRuleSpec();
+  $o_108->name = '-webkit-keyframes';
+  $o_108->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_101->at_rule_spec[] = $o_108;
+  $o_109 = new AtRuleSpec();
+  $o_109->name = '$DEFAULT';
+  $o_109->type = AtRuleSpecBlockType::PARSE_AS_ERROR;
+  $o_101->at_rule_spec[] = $o_109;
+  $o_110 = new UrlSpec();
+  $o_110->allowed_protocol = ['https', 'http', 'data', 'absolute'];
+  $o_110->allow_relative = true;
+  $o_110->allow_empty = true;
+  $o_101->image_url_spec = $o_110;
+  $o_111 = new UrlSpec();
+  $o_111->allowed_protocol = ['https', 'http', 'data'];
+  $o_111->allow_relative = true;
+  $o_111->allow_empty = true;
+  $o_101->font_url_spec = $o_111;
+  $o_97->css_spec = $o_101;
+  $o_93->cdata = $o_97;
+  $o_93->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_93;
   $o_112 = new TagSpec();
-  $o_112->tag_name = 'h2';
+  $o_112->tag_name = 'style';
+  $o_112->spec_name = 'style amp-custom (AMP4ADS)';
+  $o_112->unique = true;
+  $o_112->mandatory_parent = 'head';
   $o_113 = new AttrSpec();
-  $o_113->name = 'align';
+  $o_113->name = 'amp-custom';
+  $o_113->mandatory = true;
+  $o_113->value = '';
   $o_112->attrs[] = $o_113;
-  $o_0->tags[] = $o_112;
-  $o_114 = new TagSpec();
-  $o_114->tag_name = 'h3';
+  $o_114 = new AttrSpec();
+  $o_114->name = 'nonce';
+  $o_112->attrs[] = $o_114;
   $o_115 = new AttrSpec();
-  $o_115->name = 'align';
-  $o_114->attrs[] = $o_115;
-  $o_0->tags[] = $o_114;
-  $o_116 = new TagSpec();
-  $o_116->tag_name = 'h4';
-  $o_117 = new AttrSpec();
-  $o_117->name = 'align';
-  $o_116->attrs[] = $o_117;
-  $o_0->tags[] = $o_116;
-  $o_118 = new TagSpec();
-  $o_118->tag_name = 'h5';
-  $o_119 = new AttrSpec();
-  $o_119->name = 'align';
-  $o_118->attrs[] = $o_119;
-  $o_0->tags[] = $o_118;
-  $o_120 = new TagSpec();
-  $o_120->tag_name = 'h6';
-  $o_121 = new AttrSpec();
-  $o_121->name = 'align';
-  $o_120->attrs[] = $o_121;
-  $o_0->tags[] = $o_120;
-  $o_122 = new TagSpec();
-  $o_122->tag_name = 'header';
-  $o_0->tags[] = $o_122;
-  $o_123 = new TagSpec();
-  $o_123->tag_name = 'footer';
-  $o_0->tags[] = $o_123;
-  $o_124 = new TagSpec();
-  $o_124->tag_name = 'address';
-  $o_0->tags[] = $o_124;
-  $o_125 = new TagSpec();
-  $o_125->tag_name = 'p';
-  $o_126 = new AttrSpec();
-  $o_126->name = 'align';
-  $o_125->attrs[] = $o_126;
-  $o_0->tags[] = $o_125;
-  $o_127 = new TagSpec();
-  $o_127->tag_name = 'hr';
-  $o_0->tags[] = $o_127;
-  $o_128 = new TagSpec();
-  $o_128->tag_name = 'pre';
-  $o_0->tags[] = $o_128;
-  $o_129 = new TagSpec();
-  $o_129->tag_name = 'blockquote';
-  $o_130 = new AttrSpec();
-  $o_130->name = 'align';
-  $o_129->attrs[] = $o_130;
-  $o_129->attr_lists = ['cite-attr'];
-  $o_0->tags[] = $o_129;
+  $o_115->name = 'type';
+  $o_115->value_casei = 'text/css';
+  $o_112->attrs[] = $o_115;
+  $o_112->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-a4a/amp-a4a-format.md#css';
+  $o_116 = new CdataSpec();
+  $o_116->max_bytes = 20000;
+  $o_116->max_bytes_spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-a4a/amp-a4a-format.md#css';
+  $o_117 = new BlackListedCDataRegex();
+  $o_117->regex = '<!--';
+  $o_117->error_message = 'html comments';
+  $o_116->blacklisted_cdata_regex[] = $o_117;
+  $o_118 = new BlackListedCDataRegex();
+  $o_118->regex = '(^|\\W)i-amphtml-';
+  $o_118->error_message = 'CSS i-amphtml- name prefix';
+  $o_116->blacklisted_cdata_regex[] = $o_118;
+  $o_119 = new BlackListedCDataRegex();
+  $o_119->regex = '!important';
+  $o_119->error_message = 'CSS !important';
+  $o_116->blacklisted_cdata_regex[] = $o_119;
+  $o_120 = new CssSpec();
+  $o_121 = new AtRuleSpec();
+  $o_121->name = 'font-face';
+  $o_121->type = AtRuleSpecBlockType::PARSE_AS_DECLARATIONS;
+  $o_120->at_rule_spec[] = $o_121;
+  $o_122 = new AtRuleSpec();
+  $o_122->name = 'keyframes';
+  $o_122->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_122;
+  $o_123 = new AtRuleSpec();
+  $o_123->name = 'media';
+  $o_123->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_123;
+  $o_124 = new AtRuleSpec();
+  $o_124->name = 'supports';
+  $o_124->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_124;
+  $o_125 = new AtRuleSpec();
+  $o_125->name = '-moz-keyframes';
+  $o_125->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_125;
+  $o_126 = new AtRuleSpec();
+  $o_126->name = '-o-keyframes';
+  $o_126->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_126;
+  $o_127 = new AtRuleSpec();
+  $o_127->name = '-webkit-keyframes';
+  $o_127->type = AtRuleSpecBlockType::PARSE_AS_RULES;
+  $o_120->at_rule_spec[] = $o_127;
+  $o_128 = new AtRuleSpec();
+  $o_128->name = '$DEFAULT';
+  $o_128->type = AtRuleSpecBlockType::PARSE_AS_ERROR;
+  $o_120->at_rule_spec[] = $o_128;
+  $o_129 = new UrlSpec();
+  $o_129->allowed_protocol = ['https', 'http', 'data', 'absolute'];
+  $o_129->allow_relative = true;
+  $o_129->allow_empty = true;
+  $o_120->image_url_spec = $o_129;
+  $o_130 = new UrlSpec();
+  $o_130->allowed_protocol = ['https', 'http', 'data'];
+  $o_130->allow_relative = true;
+  $o_130->allow_empty = true;
+  $o_120->font_url_spec = $o_130;
+  $o_120->validate_amp4ads = true;
+  $o_116->css_spec = $o_120;
+  $o_112->cdata = $o_116;
+  $o_112->html_format = [TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_112;
   $o_131 = new TagSpec();
-  $o_131->tag_name = 'ol';
+  $o_131->tag_name = 'style';
+  $o_131->spec_name = 'head > style[amp-boilerplate] - old variant';
+  $o_131->mandatory_alternatives = 'head > style[amp-boilerplate]';
+  $o_131->unique = true;
+  $o_131->mandatory_parent = 'head';
   $o_132 = new AttrSpec();
-  $o_132->name = 'reversed';
-  $o_132->value = '';
+  $o_132->name = 'nonce';
   $o_131->attrs[] = $o_132;
-  $o_133 = new AttrSpec();
-  $o_133->name = 'start';
-  $o_133->value_regex = '[0-9]*';
-  $o_131->attrs[] = $o_133;
-  $o_134 = new AttrSpec();
-  $o_134->name = 'type';
-  $o_134->value_regex = '[1AaIi]';
-  $o_131->attrs[] = $o_134;
+  $o_131->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_133 = new CdataSpec();
+  $o_133->cdata_regex = 'body ?{opacity: ?0}';
+  $o_131->cdata = $o_133;
+  $o_131->deprecation = 'head > style[amp-boilerplate]';
+  $o_131->deprecation_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_131->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_131;
-  $o_135 = new TagSpec();
-  $o_135->tag_name = 'ul';
-  $o_0->tags[] = $o_135;
-  $o_136 = new TagSpec();
-  $o_136->tag_name = 'li';
-  $o_137 = new AttrSpec();
-  $o_137->name = 'value';
-  $o_137->value_regex = '[0-9]*';
-  $o_136->attrs[] = $o_137;
-  $o_0->tags[] = $o_136;
-  $o_138 = new TagSpec();
-  $o_138->tag_name = 'dl';
-  $o_0->tags[] = $o_138;
-  $o_139 = new TagSpec();
-  $o_139->tag_name = 'dt';
-  $o_0->tags[] = $o_139;
-  $o_140 = new TagSpec();
-  $o_140->tag_name = 'dd';
-  $o_0->tags[] = $o_140;
+  $o_134 = new TagSpec();
+  $o_134->tag_name = 'style';
+  $o_134->spec_name = 'noscript > style[amp-boilerplate] - old variant';
+  $o_134->mandatory_alternatives = 'noscript > style[amp-boilerplate]';
+  $o_134->unique = true;
+  $o_134->mandatory_parent = 'noscript';
+  $o_135 = new AttrSpec();
+  $o_135->name = 'nonce';
+  $o_134->attrs[] = $o_135;
+  $o_134->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_136 = new CdataSpec();
+  $o_136->cdata_regex = 'body ?{opacity: ?1}';
+  $o_134->cdata = $o_136;
+  $o_134->deprecation = 'noscript > style[amp-boilerplate]';
+  $o_134->deprecation_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_134->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_134;
+  $o_137 = new TagSpec();
+  $o_137->tag_name = 'style';
+  $o_137->spec_name = 'head > style[amp-boilerplate]';
+  $o_137->mandatory_alternatives = 'head > style[amp-boilerplate]';
+  $o_137->unique = true;
+  $o_137->mandatory_parent = 'head';
+  $o_138 = new AttrSpec();
+  $o_138->name = 'amp-boilerplate';
+  $o_138->mandatory = true;
+  $o_138->value = '';
+  $o_138->dispatch_key = true;
+  $o_137->attrs[] = $o_138;
+  $o_139 = new AttrSpec();
+  $o_139->name = 'nonce';
+  $o_137->attrs[] = $o_139;
+  $o_137->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_140 = new CdataSpec();
+  $o_140->cdata_regex = '\\s*body{-webkit-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;-moz-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;-ms-animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both;animation:-amp-start\\s+8s\\s+steps\\(1,end\\)\\s+0s\\s+1\\s+normal\\s+both}@-webkit-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes\\s+-amp-start{from{visibility:hidden}to{visibility:visible}}\\s*';
+  $o_137->cdata = $o_140;
+  $o_137->also_requires_tag = ['noscript > style[amp-boilerplate]'];
+  $o_137->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_137;
   $o_141 = new TagSpec();
-  $o_141->tag_name = 'figure';
+  $o_141->tag_name = 'style';
+  $o_141->spec_name = 'head > style[amp4ads-boilerplate]';
+  $o_141->unique = true;
+  $o_141->mandatory_parent = 'head';
+  $o_142 = new AttrSpec();
+  $o_142->name = 'amp4ads-boilerplate';
+  $o_142->mandatory = true;
+  $o_142->value = '';
+  $o_142->dispatch_key = true;
+  $o_141->attrs[] = $o_142;
+  $o_143 = new AttrSpec();
+  $o_143->name = 'nonce';
+  $o_141->attrs[] = $o_143;
+  $o_141->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-a4a/amp-a4a-format.md#boilerplate';
+  $o_144 = new CdataSpec();
+  $o_144->cdata_regex = '\\s*body{visibility:hidden}\\s*';
+  $o_141->cdata = $o_144;
+  $o_141->html_format = [TagSpecHtmlFormat::AMP4ADS];
   $o_0->tags[] = $o_141;
-  $o_142 = new TagSpec();
-  $o_142->tag_name = 'figcaption';
-  $o_0->tags[] = $o_142;
-  $o_143 = new TagSpec();
-  $o_143->tag_name = 'div';
-  $o_144 = new AttrSpec();
-  $o_144->name = 'align';
-  $o_143->attrs[] = $o_144;
-  $o_0->tags[] = $o_143;
   $o_145 = new TagSpec();
-  $o_145->tag_name = 'main';
-  $o_0->tags[] = $o_145;
-  $o_146 = new TagSpec();
-  $o_146->tag_name = 'a';
+  $o_145->tag_name = 'style';
+  $o_145->spec_name = 'noscript > style[amp-boilerplate]';
+  $o_145->mandatory_alternatives = 'noscript > style[amp-boilerplate]';
+  $o_145->unique = true;
+  $o_145->mandatory_parent = 'noscript';
+  $o_146 = new AttrSpec();
+  $o_146->name = 'amp-boilerplate';
+  $o_146->mandatory = true;
+  $o_146->value = '';
+  $o_146->dispatch_key = true;
+  $o_145->attrs[] = $o_146;
   $o_147 = new AttrSpec();
-  $o_147->name = 'href';
-  $o_148 = new UrlSpec();
-  $o_148->allowed_protocol = ['ftp', 'http', 'https', 'mailto', 'fb-messenger', 'sms', 'tel', 'viber', 'whatsapp'];
-  $o_148->allow_relative = true;
-  $o_147->value_url = $o_148;
-  $o_146->attrs[] = $o_147;
-  $o_149 = new AttrSpec();
-  $o_149->name = 'hreflang';
-  $o_146->attrs[] = $o_149;
-  $o_150 = new AttrSpec();
-  $o_150->name = 'rel';
-  $o_150->blacklisted_value_regex = '(^|\\s)(canonical|components|dns-prefetch|import|manifest|preconnect|prefetch|preload|prerender|serviceworker|stylesheet|subresource|)(\\s|$)';
-  $o_146->attrs[] = $o_150;
-  $o_151 = new AttrSpec();
-  $o_151->name = 'role';
-  $o_151->implicit = true;
-  $o_146->attrs[] = $o_151;
-  $o_152 = new AttrSpec();
-  $o_152->name = 'tabindex';
-  $o_152->implicit = true;
-  $o_146->attrs[] = $o_152;
-  $o_153 = new AttrSpec();
-  $o_153->name = 'target';
-  $o_153->value_regex = '(_blank|_self)';
-  $o_146->attrs[] = $o_153;
-  $o_154 = new AttrSpec();
-  $o_154->name = 'download';
-  $o_146->attrs[] = $o_154;
+  $o_147->name = 'nonce';
+  $o_145->attrs[] = $o_147;
+  $o_145->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_148 = new CdataSpec();
+  $o_148->cdata_regex = '\\s*body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}\\s*';
+  $o_145->cdata = $o_148;
+  $o_145->also_requires_tag = ['head > style[amp-boilerplate]'];
+  $o_145->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_145;
+  $o_149 = new TagSpec();
+  $o_149->tag_name = 'body';
+  $o_149->mandatory = true;
+  $o_149->unique = true;
+  $o_149->mandatory_parent = 'html';
+  $o_149->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_0->tags[] = $o_149;
+  $o_150 = new TagSpec();
+  $o_150->tag_name = 'article';
+  $o_0->tags[] = $o_150;
+  $o_151 = new TagSpec();
+  $o_151->tag_name = 'section';
+  $o_151->disallowed_ancestor = ['AMP-ACCORDION'];
+  $o_0->tags[] = $o_151;
+  $o_152 = new TagSpec();
+  $o_152->tag_name = 'nav';
+  $o_0->tags[] = $o_152;
+  $o_153 = new TagSpec();
+  $o_153->tag_name = 'aside';
+  $o_0->tags[] = $o_153;
+  $o_154 = new TagSpec();
+  $o_154->tag_name = 'h1';
   $o_155 = new AttrSpec();
-  $o_155->name = 'media';
-  $o_146->attrs[] = $o_155;
-  $o_156 = new AttrSpec();
-  $o_156->name = 'type';
-  $o_156->value = 'text/html';
-  $o_146->attrs[] = $o_156;
+  $o_155->name = 'align';
+  $o_154->attrs[] = $o_155;
+  $o_0->tags[] = $o_154;
+  $o_156 = new TagSpec();
+  $o_156->tag_name = 'h2';
   $o_157 = new AttrSpec();
-  $o_157->name = 'border';
-  $o_146->attrs[] = $o_157;
-  $o_158 = new AttrSpec();
-  $o_158->name = 'name';
-  $o_146->attrs[] = $o_158;
-  $o_0->tags[] = $o_146;
-  $o_159 = new TagSpec();
-  $o_159->tag_name = 'em';
-  $o_0->tags[] = $o_159;
+  $o_157->name = 'align';
+  $o_156->attrs[] = $o_157;
+  $o_0->tags[] = $o_156;
+  $o_158 = new TagSpec();
+  $o_158->tag_name = 'h3';
+  $o_159 = new AttrSpec();
+  $o_159->name = 'align';
+  $o_158->attrs[] = $o_159;
+  $o_0->tags[] = $o_158;
   $o_160 = new TagSpec();
-  $o_160->tag_name = 'strong';
+  $o_160->tag_name = 'h4';
+  $o_161 = new AttrSpec();
+  $o_161->name = 'align';
+  $o_160->attrs[] = $o_161;
   $o_0->tags[] = $o_160;
-  $o_161 = new TagSpec();
-  $o_161->tag_name = 'small';
-  $o_0->tags[] = $o_161;
   $o_162 = new TagSpec();
-  $o_162->tag_name = 's';
+  $o_162->tag_name = 'h5';
+  $o_163 = new AttrSpec();
+  $o_163->name = 'align';
+  $o_162->attrs[] = $o_163;
   $o_0->tags[] = $o_162;
-  $o_163 = new TagSpec();
-  $o_163->tag_name = 'cite';
-  $o_0->tags[] = $o_163;
   $o_164 = new TagSpec();
-  $o_164->tag_name = 'q';
-  $o_164->attr_lists = ['cite-attr'];
+  $o_164->tag_name = 'h6';
+  $o_165 = new AttrSpec();
+  $o_165->name = 'align';
+  $o_164->attrs[] = $o_165;
   $o_0->tags[] = $o_164;
-  $o_165 = new TagSpec();
-  $o_165->tag_name = 'dfn';
-  $o_0->tags[] = $o_165;
   $o_166 = new TagSpec();
-  $o_166->tag_name = 'abbr';
+  $o_166->tag_name = 'header';
   $o_0->tags[] = $o_166;
   $o_167 = new TagSpec();
-  $o_167->tag_name = 'data';
+  $o_167->tag_name = 'footer';
   $o_0->tags[] = $o_167;
   $o_168 = new TagSpec();
-  $o_168->tag_name = 'time';
-  $o_169 = new AttrSpec();
-  $o_169->name = 'datetime';
-  $o_168->attrs[] = $o_169;
+  $o_168->tag_name = 'address';
   $o_0->tags[] = $o_168;
-  $o_170 = new TagSpec();
-  $o_170->tag_name = 'code';
-  $o_0->tags[] = $o_170;
+  $o_169 = new TagSpec();
+  $o_169->tag_name = 'p';
+  $o_170 = new AttrSpec();
+  $o_170->name = 'align';
+  $o_169->attrs[] = $o_170;
+  $o_0->tags[] = $o_169;
   $o_171 = new TagSpec();
-  $o_171->tag_name = 'var';
+  $o_171->tag_name = 'hr';
   $o_0->tags[] = $o_171;
   $o_172 = new TagSpec();
-  $o_172->tag_name = 'samp';
+  $o_172->tag_name = 'pre';
   $o_0->tags[] = $o_172;
   $o_173 = new TagSpec();
-  $o_173->tag_name = 'kbd';
+  $o_173->tag_name = 'blockquote';
+  $o_174 = new AttrSpec();
+  $o_174->name = 'align';
+  $o_173->attrs[] = $o_174;
+  $o_173->attr_lists = ['cite-attr'];
   $o_0->tags[] = $o_173;
-  $o_174 = new TagSpec();
-  $o_174->tag_name = 'sub';
-  $o_0->tags[] = $o_174;
   $o_175 = new TagSpec();
-  $o_175->tag_name = 'sup';
+  $o_175->tag_name = 'ol';
+  $o_176 = new AttrSpec();
+  $o_176->name = 'reversed';
+  $o_176->value = '';
+  $o_175->attrs[] = $o_176;
+  $o_177 = new AttrSpec();
+  $o_177->name = 'start';
+  $o_177->value_regex = '[0-9]*';
+  $o_175->attrs[] = $o_177;
+  $o_178 = new AttrSpec();
+  $o_178->name = 'type';
+  $o_178->value_regex = '[1AaIi]';
+  $o_175->attrs[] = $o_178;
   $o_0->tags[] = $o_175;
-  $o_176 = new TagSpec();
-  $o_176->tag_name = 'i';
-  $o_0->tags[] = $o_176;
-  $o_177 = new TagSpec();
-  $o_177->tag_name = 'b';
-  $o_0->tags[] = $o_177;
-  $o_178 = new TagSpec();
-  $o_178->tag_name = 'u';
-  $o_0->tags[] = $o_178;
   $o_179 = new TagSpec();
-  $o_179->tag_name = 'mark';
+  $o_179->tag_name = 'ul';
   $o_0->tags[] = $o_179;
   $o_180 = new TagSpec();
-  $o_180->tag_name = 'ruby';
+  $o_180->tag_name = 'li';
+  $o_181 = new AttrSpec();
+  $o_181->name = 'value';
+  $o_181->value_regex = '[0-9]*';
+  $o_180->attrs[] = $o_181;
   $o_0->tags[] = $o_180;
-  $o_181 = new TagSpec();
-  $o_181->tag_name = 'rb';
-  $o_0->tags[] = $o_181;
   $o_182 = new TagSpec();
-  $o_182->tag_name = 'rt';
+  $o_182->tag_name = 'dl';
   $o_0->tags[] = $o_182;
   $o_183 = new TagSpec();
-  $o_183->tag_name = 'rtc';
+  $o_183->tag_name = 'dt';
   $o_0->tags[] = $o_183;
   $o_184 = new TagSpec();
-  $o_184->tag_name = 'rp';
+  $o_184->tag_name = 'dd';
   $o_0->tags[] = $o_184;
   $o_185 = new TagSpec();
-  $o_185->tag_name = 'bdi';
+  $o_185->tag_name = 'figure';
   $o_0->tags[] = $o_185;
   $o_186 = new TagSpec();
-  $o_186->tag_name = 'bdo';
-  $o_187 = new AttrSpec();
-  $o_187->name = 'dir';
-  $o_186->attrs[] = $o_187;
+  $o_186->tag_name = 'figcaption';
   $o_0->tags[] = $o_186;
-  $o_188 = new TagSpec();
-  $o_188->tag_name = 'span';
-  $o_0->tags[] = $o_188;
+  $o_187 = new TagSpec();
+  $o_187->tag_name = 'div';
+  $o_188 = new AttrSpec();
+  $o_188->name = 'align';
+  $o_187->attrs[] = $o_188;
+  $o_0->tags[] = $o_187;
   $o_189 = new TagSpec();
-  $o_189->tag_name = 'br';
+  $o_189->tag_name = 'main';
   $o_0->tags[] = $o_189;
   $o_190 = new TagSpec();
-  $o_190->tag_name = 'wbr';
-  $o_0->tags[] = $o_190;
-  $o_191 = new TagSpec();
-  $o_191->tag_name = 'ins';
-  $o_192 = new AttrSpec();
-  $o_192->name = 'datetime';
-  $o_191->attrs[] = $o_192;
-  $o_191->attr_lists = ['cite-attr'];
-  $o_0->tags[] = $o_191;
-  $o_193 = new TagSpec();
-  $o_193->tag_name = 'del';
+  $o_190->tag_name = 'a';
+  $o_191 = new AttrSpec();
+  $o_191->name = 'href';
+  $o_191->blacklisted_value_regex = '__amp_source_origin';
+  $o_192 = new UrlSpec();
+  $o_192->allowed_protocol = ['ftp', 'http', 'https', 'mailto', 'bbmi', 'fb-messenger', 'intent', 'line', 'skype', 'sms', 'snapchat', 'tel', 'tg', 'threema', 'twitter', 'viber', 'whatsapp'];
+  $o_192->allow_relative = true;
+  $o_192->allow_empty = true;
+  $o_191->value_url = $o_192;
+  $o_190->attrs[] = $o_191;
+  $o_193 = new AttrSpec();
+  $o_193->name = 'hreflang';
+  $o_190->attrs[] = $o_193;
   $o_194 = new AttrSpec();
-  $o_194->name = 'datetime';
-  $o_193->attrs[] = $o_194;
-  $o_193->attr_lists = ['cite-attr'];
-  $o_0->tags[] = $o_193;
-  $o_195 = new TagSpec();
-  $o_195->tag_name = 'img';
+  $o_194->name = 'rel';
+  $o_194->blacklisted_value_regex = '(^|\\s)(components|dns-prefetch|import|manifest|preconnect|prefetch|preload|prerender|serviceworker|stylesheet|subresource|)(\\s|$)';
+  $o_190->attrs[] = $o_194;
+  $o_195 = new AttrSpec();
+  $o_195->name = 'role';
+  $o_195->implicit = true;
+  $o_190->attrs[] = $o_195;
   $o_196 = new AttrSpec();
-  $o_196->name = 'alt';
-  $o_195->attrs[] = $o_196;
+  $o_196->name = 'tabindex';
+  $o_196->implicit = true;
+  $o_190->attrs[] = $o_196;
   $o_197 = new AttrSpec();
-  $o_197->name = 'ismap';
-  $o_195->attrs[] = $o_197;
+  $o_197->name = 'target';
+  $o_197->value_regex = '(_blank|_self|_top)';
+  $o_190->attrs[] = $o_197;
   $o_198 = new AttrSpec();
-  $o_198->name = 'longdesc';
-  $o_199 = new UrlSpec();
-  $o_199->allowed_protocol = ['http', 'https'];
-  $o_199->allow_relative = true;
-  $o_198->value_url = $o_199;
-  $o_195->attrs[] = $o_198;
+  $o_198->name = 'download';
+  $o_190->attrs[] = $o_198;
+  $o_199 = new AttrSpec();
+  $o_199->name = 'media';
+  $o_190->attrs[] = $o_199;
   $o_200 = new AttrSpec();
-  $o_200->name = 'src';
-  $o_200->alternative_names = ['srcset'];
-  $o_200->mandatory = true;
-  $o_201 = new UrlSpec();
-  $o_201->allowed_protocol = ['data', 'https'];
-  $o_201->allow_relative = true;
-  $o_200->value_url = $o_201;
-  $o_195->attrs[] = $o_200;
+  $o_200->name = 'type';
+  $o_200->value_casei = 'text/html';
+  $o_190->attrs[] = $o_200;
+  $o_201 = new AttrSpec();
+  $o_201->name = 'border';
+  $o_190->attrs[] = $o_201;
   $o_202 = new AttrSpec();
-  $o_202->name = 'border';
-  $o_195->attrs[] = $o_202;
-  $o_203 = new AttrSpec();
-  $o_203->name = 'height';
-  $o_195->attrs[] = $o_203;
-  $o_204 = new AttrSpec();
-  $o_204->name = 'width';
-  $o_195->attrs[] = $o_204;
-  $o_195->spec_url = 'https://www.ampproject.org/docs/reference/amp-img.html';
-  $o_195->mandatory_ancestor = 'noscript';
-  $o_195->mandatory_ancestor_suggested_alternative = 'amp-img';
-  $o_0->tags[] = $o_195;
+  $o_202->name = 'name';
+  $o_190->attrs[] = $o_202;
+  $o_190->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#links';
+  $o_0->tags[] = $o_190;
+  $o_203 = new TagSpec();
+  $o_203->tag_name = 'em';
+  $o_0->tags[] = $o_203;
+  $o_204 = new TagSpec();
+  $o_204->tag_name = 'strong';
+  $o_0->tags[] = $o_204;
   $o_205 = new TagSpec();
-  $o_205->tag_name = 'video';
-  $o_206 = new AttrSpec();
-  $o_206->name = 'autoplay';
-  $o_205->attrs[] = $o_206;
-  $o_207 = new AttrSpec();
-  $o_207->name = 'controls';
-  $o_205->attrs[] = $o_207;
-  $o_208 = new AttrSpec();
-  $o_208->name = 'height';
-  $o_205->attrs[] = $o_208;
-  $o_209 = new AttrSpec();
-  $o_209->name = 'loop';
-  $o_205->attrs[] = $o_209;
-  $o_210 = new AttrSpec();
-  $o_210->name = 'muted';
-  $o_205->attrs[] = $o_210;
-  $o_211 = new AttrSpec();
-  $o_211->name = 'poster';
-  $o_205->attrs[] = $o_211;
-  $o_212 = new AttrSpec();
-  $o_212->name = 'preload';
-  $o_205->attrs[] = $o_212;
-  $o_213 = new AttrSpec();
-  $o_213->name = 'src';
-  $o_214 = new UrlSpec();
-  $o_214->allowed_protocol = ['data', 'https'];
-  $o_214->allow_relative = false;
-  $o_213->value_url = $o_214;
-  $o_205->attrs[] = $o_213;
-  $o_215 = new AttrSpec();
-  $o_215->name = 'width';
-  $o_205->attrs[] = $o_215;
-  $o_205->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
-  $o_205->mandatory_ancestor = 'noscript';
-  $o_205->mandatory_ancestor_suggested_alternative = 'amp-video';
+  $o_205->tag_name = 'small';
   $o_0->tags[] = $o_205;
+  $o_206 = new TagSpec();
+  $o_206->tag_name = 's';
+  $o_0->tags[] = $o_206;
+  $o_207 = new TagSpec();
+  $o_207->tag_name = 'cite';
+  $o_0->tags[] = $o_207;
+  $o_208 = new TagSpec();
+  $o_208->tag_name = 'q';
+  $o_208->attr_lists = ['cite-attr'];
+  $o_0->tags[] = $o_208;
+  $o_209 = new TagSpec();
+  $o_209->tag_name = 'dfn';
+  $o_0->tags[] = $o_209;
+  $o_210 = new TagSpec();
+  $o_210->tag_name = 'abbr';
+  $o_0->tags[] = $o_210;
+  $o_211 = new TagSpec();
+  $o_211->tag_name = 'data';
+  $o_0->tags[] = $o_211;
+  $o_212 = new TagSpec();
+  $o_212->tag_name = 'time';
+  $o_213 = new AttrSpec();
+  $o_213->name = 'datetime';
+  $o_212->attrs[] = $o_213;
+  $o_0->tags[] = $o_212;
+  $o_214 = new TagSpec();
+  $o_214->tag_name = 'code';
+  $o_0->tags[] = $o_214;
+  $o_215 = new TagSpec();
+  $o_215->tag_name = 'var';
+  $o_0->tags[] = $o_215;
   $o_216 = new TagSpec();
-  $o_216->tag_name = 'audio';
-  $o_217 = new AttrSpec();
-  $o_217->name = 'autoplay';
-  $o_216->attrs[] = $o_217;
-  $o_218 = new AttrSpec();
-  $o_218->name = 'controls';
-  $o_216->attrs[] = $o_218;
-  $o_219 = new AttrSpec();
-  $o_219->name = 'loop';
-  $o_216->attrs[] = $o_219;
-  $o_220 = new AttrSpec();
-  $o_220->name = 'muted';
-  $o_216->attrs[] = $o_220;
-  $o_221 = new AttrSpec();
-  $o_221->name = 'preload';
-  $o_216->attrs[] = $o_221;
-  $o_222 = new AttrSpec();
-  $o_222->name = 'src';
-  $o_223 = new UrlSpec();
-  $o_223->allowed_protocol = ['data', 'https'];
-  $o_223->allow_relative = false;
-  $o_222->value_url = $o_223;
-  $o_216->attrs[] = $o_222;
-  $o_216->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
-  $o_216->mandatory_ancestor = 'noscript';
-  $o_216->mandatory_ancestor_suggested_alternative = 'amp-audio';
+  $o_216->tag_name = 'samp';
   $o_0->tags[] = $o_216;
+  $o_217 = new TagSpec();
+  $o_217->tag_name = 'kbd';
+  $o_0->tags[] = $o_217;
+  $o_218 = new TagSpec();
+  $o_218->tag_name = 'sub';
+  $o_0->tags[] = $o_218;
+  $o_219 = new TagSpec();
+  $o_219->tag_name = 'sup';
+  $o_0->tags[] = $o_219;
+  $o_220 = new TagSpec();
+  $o_220->tag_name = 'i';
+  $o_0->tags[] = $o_220;
+  $o_221 = new TagSpec();
+  $o_221->tag_name = 'b';
+  $o_0->tags[] = $o_221;
+  $o_222 = new TagSpec();
+  $o_222->tag_name = 'u';
+  $o_0->tags[] = $o_222;
+  $o_223 = new TagSpec();
+  $o_223->tag_name = 'mark';
+  $o_0->tags[] = $o_223;
   $o_224 = new TagSpec();
-  $o_224->tag_name = 'source';
-  $o_224->spec_name = 'amp-video > source';
-  $o_224->mandatory_parent = 'amp-video';
-  $o_225 = new AttrSpec();
-  $o_225->name = 'src';
-  $o_226 = new UrlSpec();
-  $o_226->allowed_protocol = ['https'];
-  $o_226->allow_relative = true;
-  $o_225->value_url = $o_226;
-  $o_224->attrs[] = $o_225;
-  $o_227 = new AttrSpec();
-  $o_227->name = 'media';
-  $o_224->attrs[] = $o_227;
-  $o_228 = new AttrSpec();
-  $o_228->name = 'type';
-  $o_224->attrs[] = $o_228;
-  $o_224->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_224->tag_name = 'ruby';
   $o_0->tags[] = $o_224;
+  $o_225 = new TagSpec();
+  $o_225->tag_name = 'rb';
+  $o_0->tags[] = $o_225;
+  $o_226 = new TagSpec();
+  $o_226->tag_name = 'rt';
+  $o_0->tags[] = $o_226;
+  $o_227 = new TagSpec();
+  $o_227->tag_name = 'rtc';
+  $o_0->tags[] = $o_227;
+  $o_228 = new TagSpec();
+  $o_228->tag_name = 'rp';
+  $o_0->tags[] = $o_228;
   $o_229 = new TagSpec();
-  $o_229->tag_name = 'source';
-  $o_229->spec_name = 'amp-audio > source';
-  $o_229->mandatory_parent = 'amp-audio';
-  $o_230 = new AttrSpec();
-  $o_230->name = 'src';
-  $o_231 = new UrlSpec();
-  $o_231->allowed_protocol = ['https'];
-  $o_231->allow_relative = true;
-  $o_230->value_url = $o_231;
-  $o_229->attrs[] = $o_230;
-  $o_232 = new AttrSpec();
-  $o_232->name = 'media';
-  $o_229->attrs[] = $o_232;
-  $o_233 = new AttrSpec();
-  $o_233->name = 'type';
-  $o_229->attrs[] = $o_233;
-  $o_229->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_229->tag_name = 'bdi';
   $o_0->tags[] = $o_229;
+  $o_230 = new TagSpec();
+  $o_230->tag_name = 'bdo';
+  $o_231 = new AttrSpec();
+  $o_231->name = 'dir';
+  $o_230->attrs[] = $o_231;
+  $o_0->tags[] = $o_230;
+  $o_232 = new TagSpec();
+  $o_232->tag_name = 'span';
+  $o_0->tags[] = $o_232;
+  $o_233 = new TagSpec();
+  $o_233->tag_name = 'br';
+  $o_0->tags[] = $o_233;
   $o_234 = new TagSpec();
-  $o_234->tag_name = 'source';
-  $o_234->spec_name = 'audio > source';
-  $o_234->mandatory_parent = 'audio';
-  $o_235 = new AttrSpec();
-  $o_235->name = 'src';
-  $o_235->mandatory = true;
-  $o_236 = new UrlSpec();
-  $o_236->allowed_protocol = ['https'];
-  $o_236->allow_relative = true;
-  $o_235->value_url = $o_236;
-  $o_234->attrs[] = $o_235;
-  $o_237 = new AttrSpec();
-  $o_237->name = 'type';
-  $o_237->mandatory = true;
-  $o_234->attrs[] = $o_237;
-  $o_238 = new AttrSpec();
-  $o_238->name = 'media';
-  $o_234->attrs[] = $o_238;
+  $o_234->tag_name = 'wbr';
   $o_0->tags[] = $o_234;
+  $o_235 = new TagSpec();
+  $o_235->tag_name = 'ins';
+  $o_236 = new AttrSpec();
+  $o_236->name = 'datetime';
+  $o_235->attrs[] = $o_236;
+  $o_235->attr_lists = ['cite-attr'];
+  $o_0->tags[] = $o_235;
+  $o_237 = new TagSpec();
+  $o_237->tag_name = 'del';
+  $o_238 = new AttrSpec();
+  $o_238->name = 'datetime';
+  $o_237->attrs[] = $o_238;
+  $o_237->attr_lists = ['cite-attr'];
+  $o_0->tags[] = $o_237;
   $o_239 = new TagSpec();
-  $o_239->tag_name = 'source';
-  $o_239->spec_name = 'video > source';
-  $o_239->mandatory_parent = 'video';
+  $o_239->tag_name = 'img';
   $o_240 = new AttrSpec();
-  $o_240->name = 'src';
-  $o_240->mandatory = true;
-  $o_241 = new UrlSpec();
-  $o_241->allowed_protocol = ['https'];
-  $o_241->allow_relative = true;
-  $o_240->value_url = $o_241;
+  $o_240->name = 'alt';
   $o_239->attrs[] = $o_240;
+  $o_241 = new AttrSpec();
+  $o_241->name = 'ismap';
+  $o_239->attrs[] = $o_241;
   $o_242 = new AttrSpec();
-  $o_242->name = 'type';
-  $o_242->mandatory = true;
+  $o_242->name = 'longdesc';
+  $o_242->blacklisted_value_regex = '__amp_source_origin';
+  $o_243 = new UrlSpec();
+  $o_243->allowed_protocol = ['http', 'https'];
+  $o_243->allow_relative = true;
+  $o_242->value_url = $o_243;
   $o_239->attrs[] = $o_242;
-  $o_243 = new AttrSpec();
-  $o_243->name = 'media';
-  $o_239->attrs[] = $o_243;
+  $o_244 = new AttrSpec();
+  $o_244->name = 'src';
+  $o_244->alternative_names = ['srcset'];
+  $o_244->mandatory = true;
+  $o_244->blacklisted_value_regex = '__amp_source_origin';
+  $o_245 = new UrlSpec();
+  $o_245->allowed_protocol = ['data', 'https'];
+  $o_245->allow_relative = true;
+  $o_244->value_url = $o_245;
+  $o_239->attrs[] = $o_244;
+  $o_246 = new AttrSpec();
+  $o_246->name = 'border';
+  $o_239->attrs[] = $o_246;
+  $o_247 = new AttrSpec();
+  $o_247->name = 'height';
+  $o_239->attrs[] = $o_247;
+  $o_248 = new AttrSpec();
+  $o_248->name = 'width';
+  $o_239->attrs[] = $o_248;
+  $o_239->spec_url = 'https://www.ampproject.org/docs/reference/amp-img.html';
+  $o_239->mandatory_ancestor = 'noscript';
+  $o_239->mandatory_ancestor_suggested_alternative = 'amp-img';
+  $o_239->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_239;
-  $o_244 = new TagSpec();
-  $o_244->tag_name = 'track';
-  $o_244->spec_name = 'audio > track';
-  $o_244->mandatory_parent = 'audio';
-  $o_244->attr_lists = ['track-attrs-no-subtitles'];
-  $o_0->tags[] = $o_244;
-  $o_245 = new TagSpec();
-  $o_245->tag_name = 'track';
-  $o_245->spec_name = 'audio > track[kind=subtitles]';
-  $o_245->mandatory_parent = 'audio';
-  $o_245->attr_lists = ['track-attrs-subtitles'];
-  $o_0->tags[] = $o_245;
-  $o_246 = new TagSpec();
-  $o_246->tag_name = 'track';
-  $o_246->spec_name = 'video > track';
-  $o_246->mandatory_parent = 'video';
-  $o_246->attr_lists = ['track-attrs-no-subtitles'];
-  $o_0->tags[] = $o_246;
-  $o_247 = new TagSpec();
-  $o_247->tag_name = 'track';
-  $o_247->spec_name = 'video > track[kind=subtitles]';
-  $o_247->mandatory_parent = 'video';
-  $o_247->attr_lists = ['track-attrs-subtitles'];
-  $o_0->tags[] = $o_247;
-  $o_248 = new TagSpec();
-  $o_248->tag_name = 'track';
-  $o_248->spec_name = 'amp-audio > track';
-  $o_248->mandatory_parent = 'amp-audio';
-  $o_248->attr_lists = ['track-attrs-no-subtitles'];
-  $o_0->tags[] = $o_248;
   $o_249 = new TagSpec();
-  $o_249->tag_name = 'track';
-  $o_249->spec_name = 'amp-audio > track[kind=subtitles]';
-  $o_249->mandatory_parent = 'amp-audio';
-  $o_249->attr_lists = ['track-attrs-subtitles'];
-  $o_0->tags[] = $o_249;
-  $o_250 = new TagSpec();
-  $o_250->tag_name = 'track';
-  $o_250->spec_name = 'amp-video > track';
-  $o_250->mandatory_parent = 'amp-video';
-  $o_250->attr_lists = ['track-attrs-no-subtitles'];
-  $o_0->tags[] = $o_250;
-  $o_251 = new TagSpec();
-  $o_251->tag_name = 'track';
-  $o_251->spec_name = 'amp-video > track[kind=subtitles]';
-  $o_251->mandatory_parent = 'amp-video';
-  $o_251->attr_lists = ['track-attrs-subtitles'];
-  $o_0->tags[] = $o_251;
-  $o_252 = new TagSpec();
-  $o_252->tag_name = 'g';
+  $o_249->tag_name = 'video';
+  $o_250 = new AttrSpec();
+  $o_250->name = 'autoplay';
+  $o_249->attrs[] = $o_250;
+  $o_251 = new AttrSpec();
+  $o_251->name = 'controls';
+  $o_249->attrs[] = $o_251;
+  $o_252 = new AttrSpec();
+  $o_252->name = 'height';
+  $o_249->attrs[] = $o_252;
   $o_253 = new AttrSpec();
-  $o_253->name = 'class';
-  $o_252->attrs[] = $o_253;
+  $o_253->name = 'loop';
+  $o_249->attrs[] = $o_253;
   $o_254 = new AttrSpec();
-  $o_254->name = 'externalresourcesrequired';
-  $o_252->attrs[] = $o_254;
+  $o_254->name = 'muted';
+  $o_254->deprecation = 'autoplay';
+  $o_254->deprecation_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_249->attrs[] = $o_254;
   $o_255 = new AttrSpec();
-  $o_255->name = 'transform';
-  $o_252->attrs[] = $o_255;
-  $o_252->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_252->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_252->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_252;
-  $o_256 = new TagSpec();
-  $o_256->tag_name = 'glyph';
+  $o_255->name = 'playsinline';
+  $o_249->attrs[] = $o_255;
+  $o_256 = new AttrSpec();
+  $o_256->name = 'poster';
+  $o_249->attrs[] = $o_256;
   $o_257 = new AttrSpec();
-  $o_257->name = 'arabic-form';
-  $o_256->attrs[] = $o_257;
+  $o_257->name = 'preload';
+  $o_249->attrs[] = $o_257;
   $o_258 = new AttrSpec();
-  $o_258->name = 'class';
-  $o_256->attrs[] = $o_258;
-  $o_259 = new AttrSpec();
-  $o_259->name = 'd';
-  $o_256->attrs[] = $o_259;
+  $o_258->name = 'src';
+  $o_258->blacklisted_value_regex = '__amp_source_origin';
+  $o_259 = new UrlSpec();
+  $o_259->allowed_protocol = ['data', 'https'];
+  $o_259->allow_relative = false;
+  $o_258->value_url = $o_259;
+  $o_249->attrs[] = $o_258;
   $o_260 = new AttrSpec();
-  $o_260->name = 'glyph-name';
-  $o_256->attrs[] = $o_260;
-  $o_261 = new AttrSpec();
-  $o_261->name = 'horiz-adv-x';
-  $o_256->attrs[] = $o_261;
+  $o_260->name = 'width';
+  $o_249->attrs[] = $o_260;
+  $o_249->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_249->mandatory_ancestor = 'noscript';
+  $o_249->mandatory_ancestor_suggested_alternative = 'amp-video';
+  $o_249->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_249;
+  $o_261 = new TagSpec();
+  $o_261->tag_name = 'audio';
   $o_262 = new AttrSpec();
-  $o_262->name = 'orientation';
-  $o_256->attrs[] = $o_262;
+  $o_262->name = 'autoplay';
+  $o_261->attrs[] = $o_262;
   $o_263 = new AttrSpec();
-  $o_263->name = 'unicode';
-  $o_256->attrs[] = $o_263;
+  $o_263->name = 'controls';
+  $o_261->attrs[] = $o_263;
   $o_264 = new AttrSpec();
-  $o_264->name = 'vert-origin-x';
-  $o_256->attrs[] = $o_264;
+  $o_264->name = 'loop';
+  $o_261->attrs[] = $o_264;
   $o_265 = new AttrSpec();
-  $o_265->name = 'vert-origin-y';
-  $o_256->attrs[] = $o_265;
+  $o_265->name = 'muted';
+  $o_261->attrs[] = $o_265;
   $o_266 = new AttrSpec();
-  $o_266->name = 'vert-adv-y';
-  $o_256->attrs[] = $o_266;
-  $o_256->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
-  $o_256->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_256->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_256;
-  $o_267 = new TagSpec();
-  $o_267->tag_name = 'glyphref';
-  $o_268 = new AttrSpec();
-  $o_268->name = 'class';
-  $o_267->attrs[] = $o_268;
-  $o_269 = new AttrSpec();
-  $o_269->name = 'dx';
-  $o_267->attrs[] = $o_269;
+  $o_266->name = 'preload';
+  $o_261->attrs[] = $o_266;
+  $o_267 = new AttrSpec();
+  $o_267->name = 'src';
+  $o_267->blacklisted_value_regex = '__amp_source_origin';
+  $o_268 = new UrlSpec();
+  $o_268->allowed_protocol = ['data', 'https'];
+  $o_268->allow_relative = false;
+  $o_267->value_url = $o_268;
+  $o_261->attrs[] = $o_267;
+  $o_261->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_261->mandatory_ancestor = 'noscript';
+  $o_261->mandatory_ancestor_suggested_alternative = 'amp-audio';
+  $o_261->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_261;
+  $o_269 = new TagSpec();
+  $o_269->tag_name = 'source';
+  $o_269->spec_name = 'amp-video > source';
+  $o_269->mandatory_parent = 'amp-video';
   $o_270 = new AttrSpec();
-  $o_270->name = 'dy';
-  $o_267->attrs[] = $o_270;
-  $o_271 = new AttrSpec();
-  $o_271->name = 'format';
-  $o_267->attrs[] = $o_271;
+  $o_270->name = 'src';
+  $o_270->blacklisted_value_regex = '__amp_source_origin';
+  $o_271 = new UrlSpec();
+  $o_271->allowed_protocol = ['https'];
+  $o_271->allow_relative = true;
+  $o_270->value_url = $o_271;
+  $o_269->attrs[] = $o_270;
   $o_272 = new AttrSpec();
-  $o_272->name = 'glyphref';
-  $o_267->attrs[] = $o_272;
+  $o_272->name = 'media';
+  $o_269->attrs[] = $o_272;
   $o_273 = new AttrSpec();
-  $o_273->name = 'x';
-  $o_267->attrs[] = $o_273;
-  $o_274 = new AttrSpec();
-  $o_274->name = 'y';
-  $o_267->attrs[] = $o_274;
-  $o_267->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
-  $o_267->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_267->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_267;
-  $o_275 = new TagSpec();
-  $o_275->tag_name = 'marker';
-  $o_276 = new AttrSpec();
-  $o_276->name = 'class';
-  $o_275->attrs[] = $o_276;
+  $o_273->name = 'type';
+  $o_269->attrs[] = $o_273;
+  $o_269->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_0->tags[] = $o_269;
+  $o_274 = new TagSpec();
+  $o_274->tag_name = 'source';
+  $o_274->spec_name = 'amp-audio > source';
+  $o_274->mandatory_parent = 'amp-audio';
+  $o_275 = new AttrSpec();
+  $o_275->name = 'src';
+  $o_275->blacklisted_value_regex = '__amp_source_origin';
+  $o_276 = new UrlSpec();
+  $o_276->allowed_protocol = ['https'];
+  $o_276->allow_relative = true;
+  $o_275->value_url = $o_276;
+  $o_274->attrs[] = $o_275;
   $o_277 = new AttrSpec();
-  $o_277->name = 'externalresourcesrequired';
-  $o_275->attrs[] = $o_277;
+  $o_277->name = 'media';
+  $o_274->attrs[] = $o_277;
   $o_278 = new AttrSpec();
-  $o_278->name = 'markerunits';
-  $o_275->attrs[] = $o_278;
-  $o_279 = new AttrSpec();
-  $o_279->name = 'markerwidth';
-  $o_275->attrs[] = $o_279;
+  $o_278->name = 'type';
+  $o_274->attrs[] = $o_278;
+  $o_274->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_0->tags[] = $o_274;
+  $o_279 = new TagSpec();
+  $o_279->tag_name = 'source';
+  $o_279->spec_name = 'audio > source';
+  $o_279->mandatory_parent = 'audio';
   $o_280 = new AttrSpec();
-  $o_280->name = 'markerheight';
-  $o_275->attrs[] = $o_280;
-  $o_281 = new AttrSpec();
-  $o_281->name = 'orient';
-  $o_275->attrs[] = $o_281;
+  $o_280->name = 'src';
+  $o_280->mandatory = true;
+  $o_280->blacklisted_value_regex = '__amp_source_origin';
+  $o_281 = new UrlSpec();
+  $o_281->allowed_protocol = ['https'];
+  $o_281->allow_relative = true;
+  $o_280->value_url = $o_281;
+  $o_279->attrs[] = $o_280;
   $o_282 = new AttrSpec();
-  $o_282->name = 'preserveaspectratio';
-  $o_275->attrs[] = $o_282;
+  $o_282->name = 'type';
+  $o_282->mandatory = true;
+  $o_279->attrs[] = $o_282;
   $o_283 = new AttrSpec();
-  $o_283->name = 'refx';
-  $o_275->attrs[] = $o_283;
-  $o_284 = new AttrSpec();
-  $o_284->name = 'refy';
-  $o_275->attrs[] = $o_284;
+  $o_283->name = 'media';
+  $o_279->attrs[] = $o_283;
+  $o_279->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_0->tags[] = $o_279;
+  $o_284 = new TagSpec();
+  $o_284->tag_name = 'source';
+  $o_284->spec_name = 'video > source';
+  $o_284->mandatory_parent = 'video';
   $o_285 = new AttrSpec();
-  $o_285->name = 'transform';
-  $o_275->attrs[] = $o_285;
-  $o_286 = new AttrSpec();
-  $o_286->name = 'viewbox';
-  $o_275->attrs[] = $o_286;
-  $o_275->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
-  $o_275->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_275->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_275;
-  $o_287 = new TagSpec();
-  $o_287->tag_name = 'path';
+  $o_285->name = 'src';
+  $o_285->mandatory = true;
+  $o_285->blacklisted_value_regex = '__amp_source_origin';
+  $o_286 = new UrlSpec();
+  $o_286->allowed_protocol = ['https'];
+  $o_286->allow_relative = true;
+  $o_285->value_url = $o_286;
+  $o_284->attrs[] = $o_285;
+  $o_287 = new AttrSpec();
+  $o_287->name = 'type';
+  $o_287->mandatory = true;
+  $o_284->attrs[] = $o_287;
   $o_288 = new AttrSpec();
-  $o_288->name = 'class';
-  $o_287->attrs[] = $o_288;
-  $o_289 = new AttrSpec();
-  $o_289->name = 'd';
-  $o_287->attrs[] = $o_289;
-  $o_290 = new AttrSpec();
-  $o_290->name = 'externalresourcesrequired';
-  $o_287->attrs[] = $o_290;
-  $o_291 = new AttrSpec();
-  $o_291->name = 'pathlength';
-  $o_287->attrs[] = $o_291;
-  $o_292 = new AttrSpec();
-  $o_292->name = 'sketch:type';
-  $o_287->attrs[] = $o_292;
-  $o_293 = new AttrSpec();
-  $o_293->name = 'transform';
-  $o_287->attrs[] = $o_293;
-  $o_287->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_287->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_287->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_287;
+  $o_288->name = 'media';
+  $o_284->attrs[] = $o_288;
+  $o_284->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_0->tags[] = $o_284;
+  $o_289 = new TagSpec();
+  $o_289->tag_name = 'track';
+  $o_289->spec_name = 'audio > track';
+  $o_289->mandatory_parent = 'audio';
+  $o_289->attr_lists = ['track-attrs-no-subtitles'];
+  $o_0->tags[] = $o_289;
+  $o_290 = new TagSpec();
+  $o_290->tag_name = 'track';
+  $o_290->spec_name = 'audio > track[kind=subtitles]';
+  $o_290->mandatory_parent = 'audio';
+  $o_290->attr_lists = ['track-attrs-subtitles'];
+  $o_0->tags[] = $o_290;
+  $o_291 = new TagSpec();
+  $o_291->tag_name = 'track';
+  $o_291->spec_name = 'video > track';
+  $o_291->mandatory_parent = 'video';
+  $o_291->attr_lists = ['track-attrs-no-subtitles'];
+  $o_0->tags[] = $o_291;
+  $o_292 = new TagSpec();
+  $o_292->tag_name = 'track';
+  $o_292->spec_name = 'video > track[kind=subtitles]';
+  $o_292->mandatory_parent = 'video';
+  $o_292->attr_lists = ['track-attrs-subtitles'];
+  $o_0->tags[] = $o_292;
+  $o_293 = new TagSpec();
+  $o_293->tag_name = 'track';
+  $o_293->spec_name = 'amp-audio > track';
+  $o_293->mandatory_parent = 'amp-audio';
+  $o_293->attr_lists = ['track-attrs-no-subtitles'];
+  $o_0->tags[] = $o_293;
   $o_294 = new TagSpec();
-  $o_294->tag_name = 'svg';
-  $o_295 = new AttrSpec();
-  $o_295->name = 'class';
-  $o_294->attrs[] = $o_295;
-  $o_296 = new AttrSpec();
-  $o_296->name = 'contentscripttype';
-  $o_294->attrs[] = $o_296;
-  $o_297 = new AttrSpec();
-  $o_297->name = 'contentstyletype';
-  $o_294->attrs[] = $o_297;
+  $o_294->tag_name = 'track';
+  $o_294->spec_name = 'amp-audio > track[kind=subtitles]';
+  $o_294->mandatory_parent = 'amp-audio';
+  $o_294->attr_lists = ['track-attrs-subtitles'];
+  $o_0->tags[] = $o_294;
+  $o_295 = new TagSpec();
+  $o_295->tag_name = 'track';
+  $o_295->spec_name = 'amp-video > track';
+  $o_295->mandatory_parent = 'amp-video';
+  $o_295->attr_lists = ['track-attrs-no-subtitles'];
+  $o_0->tags[] = $o_295;
+  $o_296 = new TagSpec();
+  $o_296->tag_name = 'track';
+  $o_296->spec_name = 'amp-video > track[kind=subtitles]';
+  $o_296->mandatory_parent = 'amp-video';
+  $o_296->attr_lists = ['track-attrs-subtitles'];
+  $o_0->tags[] = $o_296;
+  $o_297 = new TagSpec();
+  $o_297->tag_name = 'g';
   $o_298 = new AttrSpec();
-  $o_298->name = 'externalresourcesrequired';
-  $o_294->attrs[] = $o_298;
+  $o_298->name = 'class';
+  $o_297->attrs[] = $o_298;
   $o_299 = new AttrSpec();
-  $o_299->name = 'height';
-  $o_294->attrs[] = $o_299;
+  $o_299->name = 'externalresourcesrequired';
+  $o_297->attrs[] = $o_299;
   $o_300 = new AttrSpec();
-  $o_300->name = 'preserveaspectratio';
-  $o_294->attrs[] = $o_300;
-  $o_301 = new AttrSpec();
-  $o_301->name = 'version';
-  $o_301->value_regex = '(1.0|1.1)';
-  $o_294->attrs[] = $o_301;
+  $o_300->name = 'transform';
+  $o_297->attrs[] = $o_300;
+  $o_297->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_297->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_297->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_297;
+  $o_301 = new TagSpec();
+  $o_301->tag_name = 'glyph';
   $o_302 = new AttrSpec();
-  $o_302->name = 'viewbox';
-  $o_294->attrs[] = $o_302;
+  $o_302->name = 'arabic-form';
+  $o_301->attrs[] = $o_302;
   $o_303 = new AttrSpec();
-  $o_303->name = 'width';
-  $o_294->attrs[] = $o_303;
+  $o_303->name = 'class';
+  $o_301->attrs[] = $o_303;
   $o_304 = new AttrSpec();
-  $o_304->name = 'x';
-  $o_294->attrs[] = $o_304;
+  $o_304->name = 'd';
+  $o_301->attrs[] = $o_304;
   $o_305 = new AttrSpec();
-  $o_305->name = 'y';
-  $o_294->attrs[] = $o_305;
+  $o_305->name = 'glyph-name';
+  $o_301->attrs[] = $o_305;
   $o_306 = new AttrSpec();
-  $o_306->name = 'zoomandpan';
-  $o_294->attrs[] = $o_306;
-  $o_294->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_294->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_294->disallowed_ancestor = ['svg'];
-  $o_0->tags[] = $o_294;
-  $o_307 = new TagSpec();
-  $o_307->tag_name = 'view';
+  $o_306->name = 'horiz-adv-x';
+  $o_301->attrs[] = $o_306;
+  $o_307 = new AttrSpec();
+  $o_307->name = 'orientation';
+  $o_301->attrs[] = $o_307;
   $o_308 = new AttrSpec();
-  $o_308->name = 'externalresourcesrequired';
-  $o_307->attrs[] = $o_308;
+  $o_308->name = 'unicode';
+  $o_301->attrs[] = $o_308;
   $o_309 = new AttrSpec();
-  $o_309->name = 'preserveaspectratio';
-  $o_307->attrs[] = $o_309;
+  $o_309->name = 'vert-origin-x';
+  $o_301->attrs[] = $o_309;
   $o_310 = new AttrSpec();
-  $o_310->name = 'viewbox';
-  $o_307->attrs[] = $o_310;
+  $o_310->name = 'vert-origin-y';
+  $o_301->attrs[] = $o_310;
   $o_311 = new AttrSpec();
-  $o_311->name = 'viewtarget';
-  $o_307->attrs[] = $o_311;
-  $o_312 = new AttrSpec();
-  $o_312->name = 'zoomandpan';
-  $o_307->attrs[] = $o_312;
-  $o_307->attr_lists = ['svg-core-attributes'];
-  $o_307->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_307->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_307;
-  $o_313 = new TagSpec();
-  $o_313->tag_name = 'circle';
+  $o_311->name = 'vert-adv-y';
+  $o_301->attrs[] = $o_311;
+  $o_301->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
+  $o_301->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_301->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_301;
+  $o_312 = new TagSpec();
+  $o_312->tag_name = 'glyphref';
+  $o_313 = new AttrSpec();
+  $o_313->name = 'class';
+  $o_312->attrs[] = $o_313;
   $o_314 = new AttrSpec();
-  $o_314->name = 'class';
-  $o_313->attrs[] = $o_314;
+  $o_314->name = 'dx';
+  $o_312->attrs[] = $o_314;
   $o_315 = new AttrSpec();
-  $o_315->name = 'cx';
-  $o_313->attrs[] = $o_315;
+  $o_315->name = 'dy';
+  $o_312->attrs[] = $o_315;
   $o_316 = new AttrSpec();
-  $o_316->name = 'cy';
-  $o_313->attrs[] = $o_316;
+  $o_316->name = 'format';
+  $o_312->attrs[] = $o_316;
   $o_317 = new AttrSpec();
-  $o_317->name = 'externalresourcesrequired';
-  $o_313->attrs[] = $o_317;
+  $o_317->name = 'glyphref';
+  $o_312->attrs[] = $o_317;
   $o_318 = new AttrSpec();
-  $o_318->name = 'r';
-  $o_313->attrs[] = $o_318;
+  $o_318->name = 'x';
+  $o_312->attrs[] = $o_318;
   $o_319 = new AttrSpec();
-  $o_319->name = 'sketch:type';
-  $o_313->attrs[] = $o_319;
-  $o_320 = new AttrSpec();
-  $o_320->name = 'transform';
-  $o_313->attrs[] = $o_320;
-  $o_313->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_313->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_313->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_313;
-  $o_321 = new TagSpec();
-  $o_321->tag_name = 'line';
+  $o_319->name = 'y';
+  $o_312->attrs[] = $o_319;
+  $o_312->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_312->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_312->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_312;
+  $o_320 = new TagSpec();
+  $o_320->tag_name = 'image';
+  $o_321 = new AttrSpec();
+  $o_321->name = 'externalresourcesrequired';
+  $o_320->attrs[] = $o_321;
   $o_322 = new AttrSpec();
   $o_322->name = 'class';
-  $o_321->attrs[] = $o_322;
+  $o_320->attrs[] = $o_322;
   $o_323 = new AttrSpec();
-  $o_323->name = 'externalresourcesrequired';
-  $o_321->attrs[] = $o_323;
+  $o_323->name = 'height';
+  $o_320->attrs[] = $o_323;
   $o_324 = new AttrSpec();
-  $o_324->name = 'sketch:type';
-  $o_321->attrs[] = $o_324;
+  $o_324->name = 'preserveaspectratio';
+  $o_320->attrs[] = $o_324;
   $o_325 = new AttrSpec();
   $o_325->name = 'transform';
-  $o_321->attrs[] = $o_325;
+  $o_320->attrs[] = $o_325;
   $o_326 = new AttrSpec();
-  $o_326->name = 'x1';
-  $o_321->attrs[] = $o_326;
+  $o_326->name = 'width';
+  $o_320->attrs[] = $o_326;
   $o_327 = new AttrSpec();
-  $o_327->name = 'x2';
-  $o_321->attrs[] = $o_327;
+  $o_327->name = 'x';
+  $o_320->attrs[] = $o_327;
   $o_328 = new AttrSpec();
-  $o_328->name = 'y1';
-  $o_321->attrs[] = $o_328;
+  $o_328->name = 'y';
+  $o_320->attrs[] = $o_328;
   $o_329 = new AttrSpec();
-  $o_329->name = 'y2';
-  $o_321->attrs[] = $o_329;
-  $o_321->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_321->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_321->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_321;
-  $o_330 = new TagSpec();
-  $o_330->tag_name = 'polygon';
+  $o_329->name = 'xlink:actuate';
+  $o_320->attrs[] = $o_329;
+  $o_330 = new AttrSpec();
+  $o_330->name = 'xlink:arcrole';
+  $o_320->attrs[] = $o_330;
   $o_331 = new AttrSpec();
-  $o_331->name = 'class';
-  $o_330->attrs[] = $o_331;
-  $o_332 = new AttrSpec();
-  $o_332->name = 'externalresourcesrequired';
-  $o_330->attrs[] = $o_332;
+  $o_331->name = 'xlink:href';
+  $o_331->blacklisted_value_regex = '(^|\\s)data:image\\/svg\\+xml';
+  $o_332 = new UrlSpec();
+  $o_332->allowed_protocol = ['data'];
+  $o_332->allow_relative = false;
+  $o_332->allow_empty = false;
+  $o_331->value_url = $o_332;
+  $o_320->attrs[] = $o_331;
   $o_333 = new AttrSpec();
-  $o_333->name = 'points';
-  $o_330->attrs[] = $o_333;
+  $o_333->name = 'xlink:role';
+  $o_320->attrs[] = $o_333;
   $o_334 = new AttrSpec();
-  $o_334->name = 'sketch:type';
-  $o_330->attrs[] = $o_334;
+  $o_334->name = 'xlink:show';
+  $o_320->attrs[] = $o_334;
   $o_335 = new AttrSpec();
-  $o_335->name = 'transform';
-  $o_330->attrs[] = $o_335;
-  $o_330->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_330->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_330->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_330;
-  $o_336 = new TagSpec();
-  $o_336->tag_name = 'polyline';
-  $o_337 = new AttrSpec();
-  $o_337->name = 'class';
-  $o_336->attrs[] = $o_337;
+  $o_335->name = 'xlink:title';
+  $o_320->attrs[] = $o_335;
+  $o_336 = new AttrSpec();
+  $o_336->name = 'xlink:type';
+  $o_320->attrs[] = $o_336;
+  $o_320->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_320->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_320->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_320;
+  $o_337 = new TagSpec();
+  $o_337->tag_name = 'marker';
   $o_338 = new AttrSpec();
-  $o_338->name = 'externalresourcesrequired';
-  $o_336->attrs[] = $o_338;
+  $o_338->name = 'class';
+  $o_337->attrs[] = $o_338;
   $o_339 = new AttrSpec();
-  $o_339->name = 'points';
-  $o_336->attrs[] = $o_339;
+  $o_339->name = 'externalresourcesrequired';
+  $o_337->attrs[] = $o_339;
   $o_340 = new AttrSpec();
-  $o_340->name = 'sketch:type';
-  $o_336->attrs[] = $o_340;
+  $o_340->name = 'markerunits';
+  $o_337->attrs[] = $o_340;
   $o_341 = new AttrSpec();
-  $o_341->name = 'transform';
-  $o_336->attrs[] = $o_341;
-  $o_336->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_336->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_336->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_336;
-  $o_342 = new TagSpec();
-  $o_342->tag_name = 'rect';
+  $o_341->name = 'markerwidth';
+  $o_337->attrs[] = $o_341;
+  $o_342 = new AttrSpec();
+  $o_342->name = 'markerheight';
+  $o_337->attrs[] = $o_342;
   $o_343 = new AttrSpec();
-  $o_343->name = 'class';
-  $o_342->attrs[] = $o_343;
+  $o_343->name = 'orient';
+  $o_337->attrs[] = $o_343;
   $o_344 = new AttrSpec();
-  $o_344->name = 'externalresourcesrequired';
-  $o_342->attrs[] = $o_344;
+  $o_344->name = 'preserveaspectratio';
+  $o_337->attrs[] = $o_344;
   $o_345 = new AttrSpec();
-  $o_345->name = 'height';
-  $o_342->attrs[] = $o_345;
+  $o_345->name = 'refx';
+  $o_337->attrs[] = $o_345;
   $o_346 = new AttrSpec();
-  $o_346->name = 'rx';
-  $o_342->attrs[] = $o_346;
+  $o_346->name = 'refy';
+  $o_337->attrs[] = $o_346;
   $o_347 = new AttrSpec();
-  $o_347->name = 'ry';
-  $o_342->attrs[] = $o_347;
+  $o_347->name = 'transform';
+  $o_337->attrs[] = $o_347;
   $o_348 = new AttrSpec();
-  $o_348->name = 'sketch:type';
-  $o_342->attrs[] = $o_348;
-  $o_349 = new AttrSpec();
-  $o_349->name = 'transform';
-  $o_342->attrs[] = $o_349;
+  $o_348->name = 'viewbox';
+  $o_337->attrs[] = $o_348;
+  $o_337->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
+  $o_337->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_337->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_337;
+  $o_349 = new TagSpec();
+  $o_349->tag_name = 'path';
   $o_350 = new AttrSpec();
-  $o_350->name = 'width';
-  $o_342->attrs[] = $o_350;
+  $o_350->name = 'class';
+  $o_349->attrs[] = $o_350;
   $o_351 = new AttrSpec();
-  $o_351->name = 'x';
-  $o_342->attrs[] = $o_351;
+  $o_351->name = 'd';
+  $o_349->attrs[] = $o_351;
   $o_352 = new AttrSpec();
-  $o_352->name = 'y';
-  $o_342->attrs[] = $o_352;
-  $o_342->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_342->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_342->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_342;
-  $o_353 = new TagSpec();
-  $o_353->tag_name = 'text';
+  $o_352->name = 'externalresourcesrequired';
+  $o_349->attrs[] = $o_352;
+  $o_353 = new AttrSpec();
+  $o_353->name = 'pathlength';
+  $o_349->attrs[] = $o_353;
   $o_354 = new AttrSpec();
-  $o_354->name = 'class';
-  $o_353->attrs[] = $o_354;
+  $o_354->name = 'sketch:type';
+  $o_349->attrs[] = $o_354;
   $o_355 = new AttrSpec();
-  $o_355->name = 'dx';
-  $o_353->attrs[] = $o_355;
-  $o_356 = new AttrSpec();
-  $o_356->name = 'dy';
-  $o_353->attrs[] = $o_356;
+  $o_355->name = 'transform';
+  $o_349->attrs[] = $o_355;
+  $o_349->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_349->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_349->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_349;
+  $o_356 = new TagSpec();
+  $o_356->tag_name = 'svg';
   $o_357 = new AttrSpec();
-  $o_357->name = 'externalresourcesrequired';
-  $o_353->attrs[] = $o_357;
+  $o_357->name = 'class';
+  $o_356->attrs[] = $o_357;
   $o_358 = new AttrSpec();
-  $o_358->name = 'lengthadjust';
-  $o_353->attrs[] = $o_358;
+  $o_358->name = 'contentscripttype';
+  $o_356->attrs[] = $o_358;
   $o_359 = new AttrSpec();
-  $o_359->name = 'rotate';
-  $o_353->attrs[] = $o_359;
+  $o_359->name = 'contentstyletype';
+  $o_356->attrs[] = $o_359;
   $o_360 = new AttrSpec();
-  $o_360->name = 'text-anchor';
-  $o_353->attrs[] = $o_360;
+  $o_360->name = 'externalresourcesrequired';
+  $o_356->attrs[] = $o_360;
   $o_361 = new AttrSpec();
-  $o_361->name = 'textlength';
-  $o_353->attrs[] = $o_361;
+  $o_361->name = 'height';
+  $o_356->attrs[] = $o_361;
   $o_362 = new AttrSpec();
-  $o_362->name = 'transform';
-  $o_353->attrs[] = $o_362;
+  $o_362->name = 'preserveaspectratio';
+  $o_356->attrs[] = $o_362;
   $o_363 = new AttrSpec();
-  $o_363->name = 'x';
-  $o_353->attrs[] = $o_363;
+  $o_363->name = 'version';
+  $o_363->value_regex = '(1.0|1.1)';
+  $o_356->attrs[] = $o_363;
   $o_364 = new AttrSpec();
-  $o_364->name = 'y';
-  $o_353->attrs[] = $o_364;
-  $o_353->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_353->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_353->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_353;
-  $o_365 = new TagSpec();
-  $o_365->tag_name = 'textpath';
+  $o_364->name = 'viewbox';
+  $o_356->attrs[] = $o_364;
+  $o_365 = new AttrSpec();
+  $o_365->name = 'width';
+  $o_356->attrs[] = $o_365;
   $o_366 = new AttrSpec();
-  $o_366->name = 'class';
-  $o_365->attrs[] = $o_366;
+  $o_366->name = 'x';
+  $o_356->attrs[] = $o_366;
   $o_367 = new AttrSpec();
-  $o_367->name = 'externalresourcesrequired';
-  $o_365->attrs[] = $o_367;
+  $o_367->name = 'y';
+  $o_356->attrs[] = $o_367;
   $o_368 = new AttrSpec();
-  $o_368->name = 'method';
-  $o_365->attrs[] = $o_368;
-  $o_369 = new AttrSpec();
-  $o_369->name = 'spacing';
-  $o_365->attrs[] = $o_369;
+  $o_368->name = 'zoomandpan';
+  $o_356->attrs[] = $o_368;
+  $o_356->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_356->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_0->tags[] = $o_356;
+  $o_369 = new TagSpec();
+  $o_369->tag_name = 'view';
   $o_370 = new AttrSpec();
-  $o_370->name = 'startoffset';
-  $o_365->attrs[] = $o_370;
-  $o_365->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
-  $o_365->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_365->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_365;
-  $o_371 = new TagSpec();
-  $o_371->tag_name = 'tref';
+  $o_370->name = 'externalresourcesrequired';
+  $o_369->attrs[] = $o_370;
+  $o_371 = new AttrSpec();
+  $o_371->name = 'preserveaspectratio';
+  $o_369->attrs[] = $o_371;
   $o_372 = new AttrSpec();
-  $o_372->name = 'class';
-  $o_371->attrs[] = $o_372;
+  $o_372->name = 'viewbox';
+  $o_369->attrs[] = $o_372;
   $o_373 = new AttrSpec();
-  $o_373->name = 'externalresourcesrequired';
-  $o_371->attrs[] = $o_373;
-  $o_371->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
-  $o_371->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_371->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_371;
-  $o_374 = new TagSpec();
-  $o_374->tag_name = 'tspan';
-  $o_375 = new AttrSpec();
-  $o_375->name = 'class';
-  $o_374->attrs[] = $o_375;
+  $o_373->name = 'viewtarget';
+  $o_369->attrs[] = $o_373;
+  $o_374 = new AttrSpec();
+  $o_374->name = 'zoomandpan';
+  $o_369->attrs[] = $o_374;
+  $o_369->attr_lists = ['svg-core-attributes'];
+  $o_369->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_369->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_369;
+  $o_375 = new TagSpec();
+  $o_375->tag_name = 'circle';
   $o_376 = new AttrSpec();
-  $o_376->name = 'dx';
-  $o_374->attrs[] = $o_376;
+  $o_376->name = 'class';
+  $o_375->attrs[] = $o_376;
   $o_377 = new AttrSpec();
-  $o_377->name = 'dy';
-  $o_374->attrs[] = $o_377;
+  $o_377->name = 'cx';
+  $o_375->attrs[] = $o_377;
   $o_378 = new AttrSpec();
-  $o_378->name = 'externalresourcesrequired';
-  $o_374->attrs[] = $o_378;
+  $o_378->name = 'cy';
+  $o_375->attrs[] = $o_378;
   $o_379 = new AttrSpec();
-  $o_379->name = 'rotate';
-  $o_374->attrs[] = $o_379;
+  $o_379->name = 'externalresourcesrequired';
+  $o_375->attrs[] = $o_379;
   $o_380 = new AttrSpec();
-  $o_380->name = 'lengthadjust';
-  $o_374->attrs[] = $o_380;
+  $o_380->name = 'r';
+  $o_375->attrs[] = $o_380;
   $o_381 = new AttrSpec();
-  $o_381->name = 'textlength';
-  $o_374->attrs[] = $o_381;
+  $o_381->name = 'sketch:type';
+  $o_375->attrs[] = $o_381;
   $o_382 = new AttrSpec();
-  $o_382->name = 'x';
-  $o_374->attrs[] = $o_382;
-  $o_383 = new AttrSpec();
-  $o_383->name = 'y';
-  $o_374->attrs[] = $o_383;
-  $o_374->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_374->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_374->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_374;
-  $o_384 = new TagSpec();
-  $o_384->tag_name = 'clippath';
+  $o_382->name = 'transform';
+  $o_375->attrs[] = $o_382;
+  $o_375->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_375->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_375->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_375;
+  $o_383 = new TagSpec();
+  $o_383->tag_name = 'ellipse';
+  $o_384 = new AttrSpec();
+  $o_384->name = 'class';
+  $o_383->attrs[] = $o_384;
   $o_385 = new AttrSpec();
-  $o_385->name = 'class';
-  $o_384->attrs[] = $o_385;
+  $o_385->name = 'cx';
+  $o_383->attrs[] = $o_385;
   $o_386 = new AttrSpec();
-  $o_386->name = 'clippathunits';
-  $o_384->attrs[] = $o_386;
+  $o_386->name = 'cy';
+  $o_383->attrs[] = $o_386;
   $o_387 = new AttrSpec();
   $o_387->name = 'externalresourcesrequired';
-  $o_384->attrs[] = $o_387;
+  $o_383->attrs[] = $o_387;
   $o_388 = new AttrSpec();
-  $o_388->name = 'transform';
-  $o_384->attrs[] = $o_388;
-  $o_384->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_384->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_384->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_384;
-  $o_389 = new TagSpec();
-  $o_389->tag_name = 'filter';
+  $o_388->name = 'rx';
+  $o_383->attrs[] = $o_388;
+  $o_389 = new AttrSpec();
+  $o_389->name = 'ry';
+  $o_383->attrs[] = $o_389;
   $o_390 = new AttrSpec();
-  $o_390->name = 'class';
-  $o_389->attrs[] = $o_390;
+  $o_390->name = 'sketch:type';
+  $o_383->attrs[] = $o_390;
   $o_391 = new AttrSpec();
-  $o_391->name = 'externalresourcesrequired';
-  $o_389->attrs[] = $o_391;
-  $o_392 = new AttrSpec();
-  $o_392->name = 'filterres';
-  $o_389->attrs[] = $o_392;
+  $o_391->name = 'transform';
+  $o_383->attrs[] = $o_391;
+  $o_383->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_383->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_383->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_383;
+  $o_392 = new TagSpec();
+  $o_392->tag_name = 'line';
   $o_393 = new AttrSpec();
-  $o_393->name = 'filterunits';
-  $o_389->attrs[] = $o_393;
+  $o_393->name = 'class';
+  $o_392->attrs[] = $o_393;
   $o_394 = new AttrSpec();
-  $o_394->name = 'height';
-  $o_389->attrs[] = $o_394;
+  $o_394->name = 'externalresourcesrequired';
+  $o_392->attrs[] = $o_394;
   $o_395 = new AttrSpec();
-  $o_395->name = 'primitiveunits';
-  $o_389->attrs[] = $o_395;
+  $o_395->name = 'sketch:type';
+  $o_392->attrs[] = $o_395;
   $o_396 = new AttrSpec();
-  $o_396->name = 'width';
-  $o_389->attrs[] = $o_396;
+  $o_396->name = 'transform';
+  $o_392->attrs[] = $o_396;
   $o_397 = new AttrSpec();
-  $o_397->name = 'x';
-  $o_389->attrs[] = $o_397;
+  $o_397->name = 'x1';
+  $o_392->attrs[] = $o_397;
   $o_398 = new AttrSpec();
-  $o_398->name = 'y';
-  $o_389->attrs[] = $o_398;
-  $o_389->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
-  $o_389->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_389->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_389;
-  $o_399 = new TagSpec();
-  $o_399->tag_name = 'hkern';
+  $o_398->name = 'x2';
+  $o_392->attrs[] = $o_398;
+  $o_399 = new AttrSpec();
+  $o_399->name = 'y1';
+  $o_392->attrs[] = $o_399;
   $o_400 = new AttrSpec();
-  $o_400->name = 'g1';
-  $o_399->attrs[] = $o_400;
-  $o_401 = new AttrSpec();
-  $o_401->name = 'g2';
-  $o_399->attrs[] = $o_401;
+  $o_400->name = 'y2';
+  $o_392->attrs[] = $o_400;
+  $o_392->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_392->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_392->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_392;
+  $o_401 = new TagSpec();
+  $o_401->tag_name = 'polygon';
   $o_402 = new AttrSpec();
-  $o_402->name = 'k';
-  $o_399->attrs[] = $o_402;
+  $o_402->name = 'class';
+  $o_401->attrs[] = $o_402;
   $o_403 = new AttrSpec();
-  $o_403->name = 'u1';
-  $o_399->attrs[] = $o_403;
+  $o_403->name = 'externalresourcesrequired';
+  $o_401->attrs[] = $o_403;
   $o_404 = new AttrSpec();
-  $o_404->name = 'u2';
-  $o_399->attrs[] = $o_404;
-  $o_399->attr_lists = ['svg-core-attributes'];
-  $o_399->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_399->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_399;
-  $o_405 = new TagSpec();
-  $o_405->tag_name = 'lineargradient';
+  $o_404->name = 'points';
+  $o_401->attrs[] = $o_404;
+  $o_405 = new AttrSpec();
+  $o_405->name = 'sketch:type';
+  $o_401->attrs[] = $o_405;
   $o_406 = new AttrSpec();
-  $o_406->name = 'class';
-  $o_405->attrs[] = $o_406;
-  $o_407 = new AttrSpec();
-  $o_407->name = 'externalresourcesrequired';
-  $o_405->attrs[] = $o_407;
+  $o_406->name = 'transform';
+  $o_401->attrs[] = $o_406;
+  $o_401->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_401->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_401->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_401;
+  $o_407 = new TagSpec();
+  $o_407->tag_name = 'polyline';
   $o_408 = new AttrSpec();
-  $o_408->name = 'gradientunits';
-  $o_405->attrs[] = $o_408;
+  $o_408->name = 'class';
+  $o_407->attrs[] = $o_408;
   $o_409 = new AttrSpec();
-  $o_409->name = 'gradientransform';
-  $o_405->attrs[] = $o_409;
+  $o_409->name = 'externalresourcesrequired';
+  $o_407->attrs[] = $o_409;
   $o_410 = new AttrSpec();
-  $o_410->name = 'spreadmethod';
-  $o_405->attrs[] = $o_410;
+  $o_410->name = 'points';
+  $o_407->attrs[] = $o_410;
   $o_411 = new AttrSpec();
-  $o_411->name = 'x1';
-  $o_405->attrs[] = $o_411;
+  $o_411->name = 'sketch:type';
+  $o_407->attrs[] = $o_411;
   $o_412 = new AttrSpec();
-  $o_412->name = 'y1';
-  $o_405->attrs[] = $o_412;
-  $o_413 = new AttrSpec();
-  $o_413->name = 'x2';
-  $o_405->attrs[] = $o_413;
+  $o_412->name = 'transform';
+  $o_407->attrs[] = $o_412;
+  $o_407->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_407->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_407->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_407;
+  $o_413 = new TagSpec();
+  $o_413->tag_name = 'rect';
   $o_414 = new AttrSpec();
-  $o_414->name = 'y2';
-  $o_405->attrs[] = $o_414;
-  $o_405->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
-  $o_405->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_405->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_405;
-  $o_415 = new TagSpec();
-  $o_415->tag_name = 'mask';
+  $o_414->name = 'class';
+  $o_413->attrs[] = $o_414;
+  $o_415 = new AttrSpec();
+  $o_415->name = 'externalresourcesrequired';
+  $o_413->attrs[] = $o_415;
   $o_416 = new AttrSpec();
-  $o_416->name = 'class';
-  $o_415->attrs[] = $o_416;
+  $o_416->name = 'height';
+  $o_413->attrs[] = $o_416;
   $o_417 = new AttrSpec();
-  $o_417->name = 'externalresourcesrequired';
-  $o_415->attrs[] = $o_417;
+  $o_417->name = 'rx';
+  $o_413->attrs[] = $o_417;
   $o_418 = new AttrSpec();
-  $o_418->name = 'height';
-  $o_415->attrs[] = $o_418;
+  $o_418->name = 'ry';
+  $o_413->attrs[] = $o_418;
   $o_419 = new AttrSpec();
-  $o_419->name = 'maskcontentunits';
-  $o_415->attrs[] = $o_419;
+  $o_419->name = 'sketch:type';
+  $o_413->attrs[] = $o_419;
   $o_420 = new AttrSpec();
-  $o_420->name = 'maskunits';
-  $o_415->attrs[] = $o_420;
+  $o_420->name = 'transform';
+  $o_413->attrs[] = $o_420;
   $o_421 = new AttrSpec();
   $o_421->name = 'width';
-  $o_415->attrs[] = $o_421;
+  $o_413->attrs[] = $o_421;
   $o_422 = new AttrSpec();
   $o_422->name = 'x';
-  $o_415->attrs[] = $o_422;
+  $o_413->attrs[] = $o_422;
   $o_423 = new AttrSpec();
   $o_423->name = 'y';
-  $o_415->attrs[] = $o_423;
-  $o_415->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_415->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_415->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_415;
+  $o_413->attrs[] = $o_423;
+  $o_413->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_413->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_413->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_413;
   $o_424 = new TagSpec();
-  $o_424->tag_name = 'pattern';
+  $o_424->tag_name = 'text';
   $o_425 = new AttrSpec();
   $o_425->name = 'class';
   $o_424->attrs[] = $o_425;
   $o_426 = new AttrSpec();
-  $o_426->name = 'externalresourcesrequired';
+  $o_426->name = 'dx';
   $o_424->attrs[] = $o_426;
   $o_427 = new AttrSpec();
-  $o_427->name = 'height';
+  $o_427->name = 'dy';
   $o_424->attrs[] = $o_427;
   $o_428 = new AttrSpec();
-  $o_428->name = 'patternunits';
+  $o_428->name = 'externalresourcesrequired';
   $o_424->attrs[] = $o_428;
   $o_429 = new AttrSpec();
-  $o_429->name = 'patterncontentunits';
+  $o_429->name = 'lengthadjust';
   $o_424->attrs[] = $o_429;
   $o_430 = new AttrSpec();
-  $o_430->name = 'patterntransform';
+  $o_430->name = 'rotate';
   $o_424->attrs[] = $o_430;
   $o_431 = new AttrSpec();
-  $o_431->name = 'preserveaspectratio';
+  $o_431->name = 'text-anchor';
   $o_424->attrs[] = $o_431;
   $o_432 = new AttrSpec();
-  $o_432->name = 'viewbox';
+  $o_432->name = 'textlength';
   $o_424->attrs[] = $o_432;
   $o_433 = new AttrSpec();
-  $o_433->name = 'width';
+  $o_433->name = 'transform';
   $o_424->attrs[] = $o_433;
   $o_434 = new AttrSpec();
   $o_434->name = 'x';
@@ -1909,3367 +2036,5881 @@ public static function createValidationRules() {
   $o_435 = new AttrSpec();
   $o_435->name = 'y';
   $o_424->attrs[] = $o_435;
-  $o_424->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_424->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
   $o_424->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
   $o_424->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_424;
   $o_436 = new TagSpec();
-  $o_436->tag_name = 'radialgradient';
+  $o_436->tag_name = 'textpath';
   $o_437 = new AttrSpec();
   $o_437->name = 'class';
   $o_436->attrs[] = $o_437;
   $o_438 = new AttrSpec();
-  $o_438->name = 'cx';
+  $o_438->name = 'externalresourcesrequired';
   $o_436->attrs[] = $o_438;
   $o_439 = new AttrSpec();
-  $o_439->name = 'cy';
+  $o_439->name = 'method';
   $o_436->attrs[] = $o_439;
   $o_440 = new AttrSpec();
-  $o_440->name = 'externalresourcesrequired';
+  $o_440->name = 'spacing';
   $o_436->attrs[] = $o_440;
   $o_441 = new AttrSpec();
-  $o_441->name = 'fx';
+  $o_441->name = 'startoffset';
   $o_436->attrs[] = $o_441;
-  $o_442 = new AttrSpec();
-  $o_442->name = 'fy';
-  $o_436->attrs[] = $o_442;
-  $o_443 = new AttrSpec();
-  $o_443->name = 'gradientunits';
-  $o_436->attrs[] = $o_443;
-  $o_444 = new AttrSpec();
-  $o_444->name = 'gradienttransform';
-  $o_436->attrs[] = $o_444;
-  $o_445 = new AttrSpec();
-  $o_445->name = 'r';
-  $o_436->attrs[] = $o_445;
-  $o_446 = new AttrSpec();
-  $o_446->name = 'spreadmethod';
-  $o_436->attrs[] = $o_446;
-  $o_436->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_436->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
   $o_436->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
   $o_436->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_436;
-  $o_447 = new TagSpec();
-  $o_447->tag_name = 'stop';
-  $o_447->spec_name = 'lineargradient > stop';
+  $o_442 = new TagSpec();
+  $o_442->tag_name = 'tref';
+  $o_443 = new AttrSpec();
+  $o_443->name = 'class';
+  $o_442->attrs[] = $o_443;
+  $o_444 = new AttrSpec();
+  $o_444->name = 'externalresourcesrequired';
+  $o_442->attrs[] = $o_444;
+  $o_442->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_442->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_442->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_442;
+  $o_445 = new TagSpec();
+  $o_445->tag_name = 'tspan';
+  $o_446 = new AttrSpec();
+  $o_446->name = 'class';
+  $o_445->attrs[] = $o_446;
+  $o_447 = new AttrSpec();
+  $o_447->name = 'dx';
+  $o_445->attrs[] = $o_447;
   $o_448 = new AttrSpec();
-  $o_448->name = 'offset';
-  $o_447->attrs[] = $o_448;
+  $o_448->name = 'dy';
+  $o_445->attrs[] = $o_448;
   $o_449 = new AttrSpec();
-  $o_449->name = 'stop-color';
-  $o_447->attrs[] = $o_449;
+  $o_449->name = 'externalresourcesrequired';
+  $o_445->attrs[] = $o_449;
   $o_450 = new AttrSpec();
-  $o_450->name = 'stop-opacity';
-  $o_447->attrs[] = $o_450;
-  $o_447->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_447->mandatory_ancestor = 'lineargradient';
-  $o_0->tags[] = $o_447;
-  $o_451 = new TagSpec();
-  $o_451->tag_name = 'stop';
-  $o_451->spec_name = 'radialgradient > stop';
+  $o_450->name = 'rotate';
+  $o_445->attrs[] = $o_450;
+  $o_451 = new AttrSpec();
+  $o_451->name = 'lengthadjust';
+  $o_445->attrs[] = $o_451;
   $o_452 = new AttrSpec();
-  $o_452->name = 'offset';
-  $o_451->attrs[] = $o_452;
+  $o_452->name = 'textlength';
+  $o_445->attrs[] = $o_452;
   $o_453 = new AttrSpec();
-  $o_453->name = 'stop-color';
-  $o_451->attrs[] = $o_453;
+  $o_453->name = 'x';
+  $o_445->attrs[] = $o_453;
   $o_454 = new AttrSpec();
-  $o_454->name = 'stop-opacity';
-  $o_451->attrs[] = $o_454;
-  $o_451->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_451->mandatory_ancestor = 'radialgradient';
-  $o_0->tags[] = $o_451;
+  $o_454->name = 'y';
+  $o_445->attrs[] = $o_454;
+  $o_445->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_445->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_445->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_445;
   $o_455 = new TagSpec();
-  $o_455->tag_name = 'vkern';
+  $o_455->tag_name = 'clippath';
   $o_456 = new AttrSpec();
-  $o_456->name = 'g1';
+  $o_456->name = 'class';
   $o_455->attrs[] = $o_456;
   $o_457 = new AttrSpec();
-  $o_457->name = 'g2';
+  $o_457->name = 'clippathunits';
   $o_455->attrs[] = $o_457;
   $o_458 = new AttrSpec();
-  $o_458->name = 'k';
+  $o_458->name = 'externalresourcesrequired';
   $o_455->attrs[] = $o_458;
   $o_459 = new AttrSpec();
-  $o_459->name = 'u1';
+  $o_459->name = 'transform';
   $o_455->attrs[] = $o_459;
-  $o_460 = new AttrSpec();
-  $o_460->name = 'u2';
-  $o_455->attrs[] = $o_460;
-  $o_455->attr_lists = ['svg-core-attributes'];
+  $o_455->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
   $o_455->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
   $o_455->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_455;
-  $o_461 = new TagSpec();
-  $o_461->tag_name = 'defs';
+  $o_460 = new TagSpec();
+  $o_460->tag_name = 'filter';
+  $o_461 = new AttrSpec();
+  $o_461->name = 'class';
+  $o_460->attrs[] = $o_461;
   $o_462 = new AttrSpec();
-  $o_462->name = 'class';
-  $o_461->attrs[] = $o_462;
+  $o_462->name = 'externalresourcesrequired';
+  $o_460->attrs[] = $o_462;
   $o_463 = new AttrSpec();
-  $o_463->name = 'externalresourcesrequired';
-  $o_461->attrs[] = $o_463;
+  $o_463->name = 'filterres';
+  $o_460->attrs[] = $o_463;
   $o_464 = new AttrSpec();
-  $o_464->name = 'transform';
-  $o_461->attrs[] = $o_464;
-  $o_461->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_461->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_461->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_461;
-  $o_465 = new TagSpec();
-  $o_465->tag_name = 'symbol';
+  $o_464->name = 'filterunits';
+  $o_460->attrs[] = $o_464;
+  $o_465 = new AttrSpec();
+  $o_465->name = 'height';
+  $o_460->attrs[] = $o_465;
   $o_466 = new AttrSpec();
-  $o_466->name = 'class';
-  $o_465->attrs[] = $o_466;
+  $o_466->name = 'primitiveunits';
+  $o_460->attrs[] = $o_466;
   $o_467 = new AttrSpec();
-  $o_467->name = 'externalresourcesrequired';
-  $o_465->attrs[] = $o_467;
+  $o_467->name = 'width';
+  $o_460->attrs[] = $o_467;
   $o_468 = new AttrSpec();
-  $o_468->name = 'preserveaspectratio';
-  $o_465->attrs[] = $o_468;
+  $o_468->name = 'x';
+  $o_460->attrs[] = $o_468;
   $o_469 = new AttrSpec();
-  $o_469->name = 'viewbox';
-  $o_465->attrs[] = $o_469;
-  $o_465->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
-  $o_465->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_465->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_465;
+  $o_469->name = 'y';
+  $o_460->attrs[] = $o_469;
+  $o_460->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_460->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_460->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_460;
   $o_470 = new TagSpec();
-  $o_470->tag_name = 'use';
+  $o_470->tag_name = 'hkern';
   $o_471 = new AttrSpec();
-  $o_471->name = 'class';
+  $o_471->name = 'g1';
   $o_470->attrs[] = $o_471;
   $o_472 = new AttrSpec();
-  $o_472->name = 'externalresourcesrequired';
+  $o_472->name = 'g2';
   $o_470->attrs[] = $o_472;
   $o_473 = new AttrSpec();
-  $o_473->name = 'height';
+  $o_473->name = 'k';
   $o_470->attrs[] = $o_473;
   $o_474 = new AttrSpec();
-  $o_474->name = 'transform';
+  $o_474->name = 'u1';
   $o_470->attrs[] = $o_474;
   $o_475 = new AttrSpec();
-  $o_475->name = 'width';
+  $o_475->name = 'u2';
   $o_470->attrs[] = $o_475;
-  $o_476 = new AttrSpec();
-  $o_476->name = 'x';
-  $o_470->attrs[] = $o_476;
-  $o_477 = new AttrSpec();
-  $o_477->name = 'y';
-  $o_470->attrs[] = $o_477;
-  $o_470->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_470->attr_lists = ['svg-core-attributes'];
   $o_470->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
   $o_470->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_470;
-  $o_478 = new TagSpec();
-  $o_478->tag_name = 'foreignobject';
+  $o_476 = new TagSpec();
+  $o_476->tag_name = 'lineargradient';
+  $o_477 = new AttrSpec();
+  $o_477->name = 'class';
+  $o_476->attrs[] = $o_477;
+  $o_478 = new AttrSpec();
+  $o_478->name = 'externalresourcesrequired';
+  $o_476->attrs[] = $o_478;
   $o_479 = new AttrSpec();
-  $o_479->name = 'class';
-  $o_478->attrs[] = $o_479;
+  $o_479->name = 'gradientunits';
+  $o_476->attrs[] = $o_479;
   $o_480 = new AttrSpec();
-  $o_480->name = 'externalresourcesrequired';
-  $o_478->attrs[] = $o_480;
+  $o_480->name = 'gradienttransform';
+  $o_476->attrs[] = $o_480;
   $o_481 = new AttrSpec();
-  $o_481->name = 'height';
-  $o_478->attrs[] = $o_481;
+  $o_481->name = 'spreadmethod';
+  $o_476->attrs[] = $o_481;
   $o_482 = new AttrSpec();
-  $o_482->name = 'transform';
-  $o_478->attrs[] = $o_482;
+  $o_482->name = 'x1';
+  $o_476->attrs[] = $o_482;
   $o_483 = new AttrSpec();
-  $o_483->name = 'width';
-  $o_478->attrs[] = $o_483;
+  $o_483->name = 'y1';
+  $o_476->attrs[] = $o_483;
   $o_484 = new AttrSpec();
-  $o_484->name = 'x';
-  $o_478->attrs[] = $o_484;
+  $o_484->name = 'x2';
+  $o_476->attrs[] = $o_484;
   $o_485 = new AttrSpec();
-  $o_485->name = 'y';
-  $o_478->attrs[] = $o_485;
-  $o_478->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
-  $o_478->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_478->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_478;
+  $o_485->name = 'y2';
+  $o_476->attrs[] = $o_485;
+  $o_476->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_476->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_476->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_476;
   $o_486 = new TagSpec();
-  $o_486->tag_name = 'desc';
+  $o_486->tag_name = 'mask';
   $o_487 = new AttrSpec();
   $o_487->name = 'class';
   $o_486->attrs[] = $o_487;
-  $o_486->attr_lists = ['svg-core-attributes'];
-  $o_486->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_486->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_486;
-  $o_488 = new TagSpec();
-  $o_488->tag_name = 'title';
-  $o_488->spec_name = 'svg title';
+  $o_488 = new AttrSpec();
+  $o_488->name = 'externalresourcesrequired';
+  $o_486->attrs[] = $o_488;
   $o_489 = new AttrSpec();
-  $o_489->name = 'class';
-  $o_488->attrs[] = $o_489;
-  $o_488->attr_lists = ['svg-core-attributes'];
-  $o_488->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
-  $o_488->mandatory_ancestor = 'svg';
-  $o_0->tags[] = $o_488;
-  $o_490 = new TagSpec();
-  $o_490->tag_name = 'table';
+  $o_489->name = 'height';
+  $o_486->attrs[] = $o_489;
+  $o_490 = new AttrSpec();
+  $o_490->name = 'maskcontentunits';
+  $o_486->attrs[] = $o_490;
   $o_491 = new AttrSpec();
-  $o_491->name = 'sortable';
-  $o_490->attrs[] = $o_491;
+  $o_491->name = 'maskunits';
+  $o_486->attrs[] = $o_491;
   $o_492 = new AttrSpec();
-  $o_492->name = 'align';
-  $o_490->attrs[] = $o_492;
+  $o_492->name = 'width';
+  $o_486->attrs[] = $o_492;
   $o_493 = new AttrSpec();
-  $o_493->name = 'border';
-  $o_493->value_regex = '0|1';
-  $o_490->attrs[] = $o_493;
+  $o_493->name = 'x';
+  $o_486->attrs[] = $o_493;
   $o_494 = new AttrSpec();
-  $o_494->name = 'bgcolor';
-  $o_490->attrs[] = $o_494;
-  $o_495 = new AttrSpec();
-  $o_495->name = 'cellpadding';
-  $o_490->attrs[] = $o_495;
+  $o_494->name = 'y';
+  $o_486->attrs[] = $o_494;
+  $o_486->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_486->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_486->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_486;
+  $o_495 = new TagSpec();
+  $o_495->tag_name = 'pattern';
   $o_496 = new AttrSpec();
-  $o_496->name = 'cellspacing';
-  $o_490->attrs[] = $o_496;
+  $o_496->name = 'class';
+  $o_495->attrs[] = $o_496;
   $o_497 = new AttrSpec();
-  $o_497->name = 'width';
-  $o_490->attrs[] = $o_497;
-  $o_0->tags[] = $o_490;
-  $o_498 = new TagSpec();
-  $o_498->tag_name = 'caption';
-  $o_0->tags[] = $o_498;
-  $o_499 = new TagSpec();
-  $o_499->tag_name = 'colgroup';
+  $o_497->name = 'externalresourcesrequired';
+  $o_495->attrs[] = $o_497;
+  $o_498 = new AttrSpec();
+  $o_498->name = 'height';
+  $o_495->attrs[] = $o_498;
+  $o_499 = new AttrSpec();
+  $o_499->name = 'patternunits';
+  $o_495->attrs[] = $o_499;
   $o_500 = new AttrSpec();
-  $o_500->name = 'span';
-  $o_499->attrs[] = $o_500;
-  $o_0->tags[] = $o_499;
-  $o_501 = new TagSpec();
-  $o_501->tag_name = 'col';
+  $o_500->name = 'patterncontentunits';
+  $o_495->attrs[] = $o_500;
+  $o_501 = new AttrSpec();
+  $o_501->name = 'patterntransform';
+  $o_495->attrs[] = $o_501;
   $o_502 = new AttrSpec();
-  $o_502->name = 'span';
-  $o_501->attrs[] = $o_502;
-  $o_0->tags[] = $o_501;
-  $o_503 = new TagSpec();
-  $o_503->tag_name = 'tbody';
-  $o_0->tags[] = $o_503;
-  $o_504 = new TagSpec();
-  $o_504->tag_name = 'thead';
-  $o_0->tags[] = $o_504;
-  $o_505 = new TagSpec();
-  $o_505->tag_name = 'tfoot';
-  $o_0->tags[] = $o_505;
-  $o_506 = new TagSpec();
-  $o_506->tag_name = 'tr';
-  $o_507 = new AttrSpec();
-  $o_507->name = 'align';
-  $o_506->attrs[] = $o_507;
+  $o_502->name = 'preserveaspectratio';
+  $o_495->attrs[] = $o_502;
+  $o_503 = new AttrSpec();
+  $o_503->name = 'viewbox';
+  $o_495->attrs[] = $o_503;
+  $o_504 = new AttrSpec();
+  $o_504->name = 'width';
+  $o_495->attrs[] = $o_504;
+  $o_505 = new AttrSpec();
+  $o_505->name = 'x';
+  $o_495->attrs[] = $o_505;
+  $o_506 = new AttrSpec();
+  $o_506->name = 'y';
+  $o_495->attrs[] = $o_506;
+  $o_495->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_495->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_495->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_495;
+  $o_507 = new TagSpec();
+  $o_507->tag_name = 'radialgradient';
   $o_508 = new AttrSpec();
-  $o_508->name = 'bgcolor';
-  $o_506->attrs[] = $o_508;
+  $o_508->name = 'class';
+  $o_507->attrs[] = $o_508;
   $o_509 = new AttrSpec();
-  $o_509->name = 'height';
-  $o_506->attrs[] = $o_509;
+  $o_509->name = 'cx';
+  $o_507->attrs[] = $o_509;
   $o_510 = new AttrSpec();
-  $o_510->name = 'valign';
-  $o_506->attrs[] = $o_510;
-  $o_0->tags[] = $o_506;
-  $o_511 = new TagSpec();
-  $o_511->tag_name = 'td';
+  $o_510->name = 'cy';
+  $o_507->attrs[] = $o_510;
+  $o_511 = new AttrSpec();
+  $o_511->name = 'externalresourcesrequired';
+  $o_507->attrs[] = $o_511;
   $o_512 = new AttrSpec();
-  $o_512->name = 'colspan';
-  $o_511->attrs[] = $o_512;
+  $o_512->name = 'fx';
+  $o_507->attrs[] = $o_512;
   $o_513 = new AttrSpec();
-  $o_513->name = 'headers';
-  $o_511->attrs[] = $o_513;
+  $o_513->name = 'fy';
+  $o_507->attrs[] = $o_513;
   $o_514 = new AttrSpec();
-  $o_514->name = 'rowspan';
-  $o_511->attrs[] = $o_514;
+  $o_514->name = 'gradientunits';
+  $o_507->attrs[] = $o_514;
   $o_515 = new AttrSpec();
-  $o_515->name = 'align';
-  $o_511->attrs[] = $o_515;
+  $o_515->name = 'gradienttransform';
+  $o_507->attrs[] = $o_515;
   $o_516 = new AttrSpec();
-  $o_516->name = 'bgcolor';
-  $o_511->attrs[] = $o_516;
+  $o_516->name = 'r';
+  $o_507->attrs[] = $o_516;
   $o_517 = new AttrSpec();
-  $o_517->name = 'height';
-  $o_511->attrs[] = $o_517;
-  $o_518 = new AttrSpec();
-  $o_518->name = 'valign';
-  $o_511->attrs[] = $o_518;
+  $o_517->name = 'spreadmethod';
+  $o_507->attrs[] = $o_517;
+  $o_507->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_507->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_507->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_507;
+  $o_518 = new TagSpec();
+  $o_518->tag_name = 'stop';
+  $o_518->spec_name = 'lineargradient > stop';
   $o_519 = new AttrSpec();
-  $o_519->name = 'width';
-  $o_511->attrs[] = $o_519;
-  $o_0->tags[] = $o_511;
-  $o_520 = new TagSpec();
-  $o_520->tag_name = 'th';
+  $o_519->name = 'offset';
+  $o_518->attrs[] = $o_519;
+  $o_520 = new AttrSpec();
+  $o_520->name = 'stop-color';
+  $o_518->attrs[] = $o_520;
   $o_521 = new AttrSpec();
-  $o_521->name = 'abbr';
-  $o_520->attrs[] = $o_521;
-  $o_522 = new AttrSpec();
-  $o_522->name = 'colspan';
-  $o_520->attrs[] = $o_522;
+  $o_521->name = 'stop-opacity';
+  $o_518->attrs[] = $o_521;
+  $o_518->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_518->mandatory_ancestor = 'lineargradient';
+  $o_0->tags[] = $o_518;
+  $o_522 = new TagSpec();
+  $o_522->tag_name = 'stop';
+  $o_522->spec_name = 'radialgradient > stop';
   $o_523 = new AttrSpec();
-  $o_523->name = 'headers';
-  $o_520->attrs[] = $o_523;
+  $o_523->name = 'offset';
+  $o_522->attrs[] = $o_523;
   $o_524 = new AttrSpec();
-  $o_524->name = 'rowspan';
-  $o_520->attrs[] = $o_524;
+  $o_524->name = 'stop-color';
+  $o_522->attrs[] = $o_524;
   $o_525 = new AttrSpec();
-  $o_525->name = 'scope';
-  $o_520->attrs[] = $o_525;
-  $o_526 = new AttrSpec();
-  $o_526->name = 'sorted';
-  $o_520->attrs[] = $o_526;
+  $o_525->name = 'stop-opacity';
+  $o_522->attrs[] = $o_525;
+  $o_522->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_522->mandatory_ancestor = 'radialgradient';
+  $o_0->tags[] = $o_522;
+  $o_526 = new TagSpec();
+  $o_526->tag_name = 'vkern';
   $o_527 = new AttrSpec();
-  $o_527->name = 'align';
-  $o_520->attrs[] = $o_527;
+  $o_527->name = 'g1';
+  $o_526->attrs[] = $o_527;
   $o_528 = new AttrSpec();
-  $o_528->name = 'bgcolor';
-  $o_520->attrs[] = $o_528;
+  $o_528->name = 'g2';
+  $o_526->attrs[] = $o_528;
   $o_529 = new AttrSpec();
-  $o_529->name = 'height';
-  $o_520->attrs[] = $o_529;
+  $o_529->name = 'k';
+  $o_526->attrs[] = $o_529;
   $o_530 = new AttrSpec();
-  $o_530->name = 'valign';
-  $o_520->attrs[] = $o_530;
+  $o_530->name = 'u1';
+  $o_526->attrs[] = $o_530;
   $o_531 = new AttrSpec();
-  $o_531->name = 'width';
-  $o_520->attrs[] = $o_531;
-  $o_0->tags[] = $o_520;
+  $o_531->name = 'u2';
+  $o_526->attrs[] = $o_531;
+  $o_526->attr_lists = ['svg-core-attributes'];
+  $o_526->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_526->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_526;
   $o_532 = new TagSpec();
-  $o_532->tag_name = 'button';
+  $o_532->tag_name = 'defs';
   $o_533 = new AttrSpec();
-  $o_533->name = 'disabled';
-  $o_533->value = '';
+  $o_533->name = 'class';
   $o_532->attrs[] = $o_533;
   $o_534 = new AttrSpec();
-  $o_534->name = 'name';
+  $o_534->name = 'externalresourcesrequired';
   $o_532->attrs[] = $o_534;
   $o_535 = new AttrSpec();
-  $o_535->name = 'role';
-  $o_535->implicit = true;
+  $o_535->name = 'transform';
   $o_532->attrs[] = $o_535;
-  $o_536 = new AttrSpec();
-  $o_536->name = 'tabindex';
-  $o_536->implicit = true;
-  $o_532->attrs[] = $o_536;
+  $o_532->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_532->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_532->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_532;
+  $o_536 = new TagSpec();
+  $o_536->tag_name = 'symbol';
   $o_537 = new AttrSpec();
-  $o_537->name = 'type';
-  $o_532->attrs[] = $o_537;
+  $o_537->name = 'class';
+  $o_536->attrs[] = $o_537;
   $o_538 = new AttrSpec();
-  $o_538->name = 'value';
-  $o_532->attrs[] = $o_538;
-  $o_0->tags[] = $o_532;
-  $o_539 = new TagSpec();
-  $o_539->tag_name = 'script';
-  $o_539->spec_name = 'amphtml engine v0.js script';
-  $o_539->mandatory = true;
-  $o_539->unique = true;
-  $o_539->mandatory_parent = 'head';
+  $o_538->name = 'externalresourcesrequired';
+  $o_536->attrs[] = $o_538;
+  $o_539 = new AttrSpec();
+  $o_539->name = 'preserveaspectratio';
+  $o_536->attrs[] = $o_539;
   $o_540 = new AttrSpec();
-  $o_540->name = 'async';
-  $o_540->mandatory = true;
-  $o_540->value = '';
-  $o_539->attrs[] = $o_540;
-  $o_541 = new AttrSpec();
-  $o_541->name = 'src';
-  $o_541->mandatory = true;
-  $o_541->value = 'https://cdn.ampproject.org/v0.js';
-  $o_541->dispatch_key = true;
-  $o_539->attrs[] = $o_541;
+  $o_540->name = 'viewbox';
+  $o_536->attrs[] = $o_540;
+  $o_536->attr_lists = ['svg-core-attributes', 'svg-presentation-attributes'];
+  $o_536->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_536->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_536;
+  $o_541 = new TagSpec();
+  $o_541->tag_name = 'use';
   $o_542 = new AttrSpec();
-  $o_542->name = 'type';
-  $o_542->value = 'text/javascript';
-  $o_539->attrs[] = $o_542;
-  $o_539->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
-  $o_543 = new CdataSpec();
-  $o_544 = new BlackListedCDataRegex();
-  $o_544->regex = '.';
-  $o_544->error_message = 'contents';
-  $o_543->blacklisted_cdata_regex[] = $o_544;
-  $o_539->cdata = $o_543;
-  $o_0->tags[] = $o_539;
-  $o_545 = new TagSpec();
-  $o_545->tag_name = 'script';
-  $o_545->spec_name = 'script type=application/ld+json';
+  $o_542->name = 'class';
+  $o_541->attrs[] = $o_542;
+  $o_543 = new AttrSpec();
+  $o_543->name = 'externalresourcesrequired';
+  $o_541->attrs[] = $o_543;
+  $o_544 = new AttrSpec();
+  $o_544->name = 'height';
+  $o_541->attrs[] = $o_544;
+  $o_545 = new AttrSpec();
+  $o_545->name = 'transform';
+  $o_541->attrs[] = $o_545;
   $o_546 = new AttrSpec();
-  $o_546->name = 'type';
-  $o_546->mandatory = true;
-  $o_546->value = 'application/ld+json';
-  $o_546->dispatch_key = true;
-  $o_545->attrs[] = $o_546;
-  $o_547 = new CdataSpec();
-  $o_548 = new BlackListedCDataRegex();
-  $o_548->regex = '<!--';
-  $o_548->error_message = 'html comments';
-  $o_547->blacklisted_cdata_regex[] = $o_548;
-  $o_545->cdata = $o_547;
-  $o_0->tags[] = $o_545;
+  $o_546->name = 'width';
+  $o_541->attrs[] = $o_546;
+  $o_547 = new AttrSpec();
+  $o_547->name = 'x';
+  $o_541->attrs[] = $o_547;
+  $o_548 = new AttrSpec();
+  $o_548->name = 'y';
+  $o_541->attrs[] = $o_548;
+  $o_541->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes', 'svg-xlink-attributes'];
+  $o_541->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_541->mandatory_ancestor = 'svg';
+  $o_0->tags[] = $o_541;
   $o_549 = new TagSpec();
-  $o_549->tag_name = 'noscript';
-  $o_549->spec_name = 'noscript enclosure for boilerplate';
-  $o_549->mandatory = true;
-  $o_549->unique = true;
-  $o_549->mandatory_parent = 'head';
-  $o_549->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_549->tag_name = 'foreignobject';
+  $o_550 = new AttrSpec();
+  $o_550->name = 'class';
+  $o_549->attrs[] = $o_550;
+  $o_551 = new AttrSpec();
+  $o_551->name = 'externalresourcesrequired';
+  $o_549->attrs[] = $o_551;
+  $o_552 = new AttrSpec();
+  $o_552->name = 'height';
+  $o_549->attrs[] = $o_552;
+  $o_553 = new AttrSpec();
+  $o_553->name = 'transform';
+  $o_549->attrs[] = $o_553;
+  $o_554 = new AttrSpec();
+  $o_554->name = 'width';
+  $o_549->attrs[] = $o_554;
+  $o_555 = new AttrSpec();
+  $o_555->name = 'x';
+  $o_549->attrs[] = $o_555;
+  $o_556 = new AttrSpec();
+  $o_556->name = 'y';
+  $o_549->attrs[] = $o_556;
+  $o_549->attr_lists = ['svg-conditional-processing-attributes', 'svg-core-attributes', 'svg-presentation-attributes'];
+  $o_549->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_549->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_549;
-  $o_550 = new TagSpec();
-  $o_550->tag_name = 'noscript';
-  $o_550->disallowed_ancestor = ['noscript'];
-  $o_550->mandatory_ancestor = 'body';
-  $o_0->tags[] = $o_550;
-  $o_551 = new TagSpec();
-  $o_551->tag_name = 'acronym';
-  $o_0->tags[] = $o_551;
-  $o_552 = new TagSpec();
-  $o_552->tag_name = 'big';
-  $o_0->tags[] = $o_552;
-  $o_553 = new TagSpec();
-  $o_553->tag_name = 'center';
-  $o_0->tags[] = $o_553;
-  $o_554 = new TagSpec();
-  $o_554->tag_name = 'dir';
-  $o_0->tags[] = $o_554;
-  $o_555 = new TagSpec();
-  $o_555->tag_name = 'hgroup';
-  $o_0->tags[] = $o_555;
-  $o_556 = new TagSpec();
-  $o_556->tag_name = 'listing';
-  $o_0->tags[] = $o_556;
   $o_557 = new TagSpec();
-  $o_557->tag_name = 'multicol';
+  $o_557->tag_name = 'desc';
+  $o_558 = new AttrSpec();
+  $o_558->name = 'class';
+  $o_557->attrs[] = $o_558;
+  $o_557->attr_lists = ['svg-core-attributes'];
+  $o_557->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_557->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_557;
-  $o_558 = new TagSpec();
-  $o_558->tag_name = 'nextid';
-  $o_0->tags[] = $o_558;
   $o_559 = new TagSpec();
-  $o_559->tag_name = 'nobr';
+  $o_559->tag_name = 'title';
+  $o_559->spec_name = 'svg title';
+  $o_560 = new AttrSpec();
+  $o_560->name = 'class';
+  $o_559->attrs[] = $o_560;
+  $o_559->attr_lists = ['svg-core-attributes'];
+  $o_559->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#svg';
+  $o_559->mandatory_ancestor = 'svg';
   $o_0->tags[] = $o_559;
-  $o_560 = new TagSpec();
-  $o_560->tag_name = 'spacer';
-  $o_0->tags[] = $o_560;
   $o_561 = new TagSpec();
-  $o_561->tag_name = 'strike';
-  $o_0->tags[] = $o_561;
-  $o_562 = new TagSpec();
-  $o_562->tag_name = 'tt';
-  $o_0->tags[] = $o_562;
-  $o_563 = new TagSpec();
-  $o_563->tag_name = 'xmp';
-  $o_0->tags[] = $o_563;
-  $o_564 = new TagSpec();
-  $o_564->tag_name = 'o:p';
-  $o_0->tags[] = $o_564;
-  $o_565 = new TagSpec();
-  $o_565->tag_name = 'amp-ad';
+  $o_561->tag_name = 'table';
+  $o_562 = new AttrSpec();
+  $o_562->name = 'sortable';
+  $o_561->attrs[] = $o_562;
+  $o_563 = new AttrSpec();
+  $o_563->name = 'align';
+  $o_561->attrs[] = $o_563;
+  $o_564 = new AttrSpec();
+  $o_564->name = 'border';
+  $o_564->value_regex = '0|1';
+  $o_561->attrs[] = $o_564;
+  $o_565 = new AttrSpec();
+  $o_565->name = 'bgcolor';
+  $o_561->attrs[] = $o_565;
   $o_566 = new AttrSpec();
-  $o_566->name = 'alt';
-  $o_565->attrs[] = $o_566;
+  $o_566->name = 'cellpadding';
+  $o_561->attrs[] = $o_566;
   $o_567 = new AttrSpec();
-  $o_567->name = 'json';
-  $o_565->attrs[] = $o_567;
+  $o_567->name = 'cellspacing';
+  $o_561->attrs[] = $o_567;
   $o_568 = new AttrSpec();
-  $o_568->name = 'src';
-  $o_569 = new UrlSpec();
-  $o_569->allowed_protocol = ['https'];
-  $o_569->allow_relative = true;
-  $o_568->value_url = $o_569;
-  $o_565->attrs[] = $o_568;
-  $o_570 = new AttrSpec();
-  $o_570->name = 'type';
-  $o_570->mandatory = true;
-  $o_565->attrs[] = $o_570;
-  $o_565->attr_lists = ['extended-amp-global'];
-  $o_565->spec_url = 'https://www.ampproject.org/docs/reference/amp-ad.html';
-  $o_571 = new AmpLayout();
-  $o_571->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_565->amp_layout = $o_571;
-  $o_565->disallowed_ancestor = ['amp-sidebar'];
-  $o_0->tags[] = $o_565;
+  $o_568->name = 'width';
+  $o_561->attrs[] = $o_568;
+  $o_0->tags[] = $o_561;
+  $o_569 = new TagSpec();
+  $o_569->tag_name = 'caption';
+  $o_0->tags[] = $o_569;
+  $o_570 = new TagSpec();
+  $o_570->tag_name = 'colgroup';
+  $o_571 = new AttrSpec();
+  $o_571->name = 'span';
+  $o_570->attrs[] = $o_571;
+  $o_0->tags[] = $o_570;
   $o_572 = new TagSpec();
-  $o_572->tag_name = 'amp-embed';
+  $o_572->tag_name = 'col';
   $o_573 = new AttrSpec();
-  $o_573->name = 'alt';
+  $o_573->name = 'span';
   $o_572->attrs[] = $o_573;
-  $o_574 = new AttrSpec();
-  $o_574->name = 'json';
-  $o_572->attrs[] = $o_574;
-  $o_575 = new AttrSpec();
-  $o_575->name = 'src';
-  $o_576 = new UrlSpec();
-  $o_576->allowed_protocol = ['https'];
-  $o_576->allow_relative = true;
-  $o_575->value_url = $o_576;
-  $o_572->attrs[] = $o_575;
-  $o_577 = new AttrSpec();
-  $o_577->name = 'type';
-  $o_577->mandatory = true;
-  $o_572->attrs[] = $o_577;
-  $o_572->attr_lists = ['extended-amp-global'];
-  $o_572->spec_url = 'https://www.ampproject.org/docs/reference/amp-embed.html';
-  $o_578 = new AmpLayout();
-  $o_578->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_572->amp_layout = $o_578;
-  $o_572->disallowed_ancestor = ['amp-sidebar'];
   $o_0->tags[] = $o_572;
-  $o_579 = new TagSpec();
-  $o_579->tag_name = 'amp-img';
+  $o_574 = new TagSpec();
+  $o_574->tag_name = 'tbody';
+  $o_0->tags[] = $o_574;
+  $o_575 = new TagSpec();
+  $o_575->tag_name = 'thead';
+  $o_0->tags[] = $o_575;
+  $o_576 = new TagSpec();
+  $o_576->tag_name = 'tfoot';
+  $o_0->tags[] = $o_576;
+  $o_577 = new TagSpec();
+  $o_577->tag_name = 'tr';
+  $o_578 = new AttrSpec();
+  $o_578->name = 'align';
+  $o_577->attrs[] = $o_578;
+  $o_579 = new AttrSpec();
+  $o_579->name = 'bgcolor';
+  $o_577->attrs[] = $o_579;
   $o_580 = new AttrSpec();
-  $o_580->name = 'alt';
-  $o_579->attrs[] = $o_580;
+  $o_580->name = 'height';
+  $o_577->attrs[] = $o_580;
   $o_581 = new AttrSpec();
-  $o_581->name = 'attribution';
-  $o_579->attrs[] = $o_581;
-  $o_582 = new AttrSpec();
-  $o_582->name = 'placeholder';
-  $o_579->attrs[] = $o_582;
-  $o_579->attr_lists = ['extended-amp-global', 'mandatory-src-or-srcset'];
-  $o_579->spec_url = 'https://www.ampproject.org/docs/reference/amp-img.html';
-  $o_583 = new AmpLayout();
-  $o_583->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_579->amp_layout = $o_583;
-  $o_0->tags[] = $o_579;
-  $o_584 = new TagSpec();
-  $o_584->tag_name = 'amp-pixel';
+  $o_581->name = 'valign';
+  $o_577->attrs[] = $o_581;
+  $o_0->tags[] = $o_577;
+  $o_582 = new TagSpec();
+  $o_582->tag_name = 'td';
+  $o_583 = new AttrSpec();
+  $o_583->name = 'colspan';
+  $o_582->attrs[] = $o_583;
+  $o_584 = new AttrSpec();
+  $o_584->name = 'headers';
+  $o_582->attrs[] = $o_584;
   $o_585 = new AttrSpec();
-  $o_585->name = 'src';
-  $o_585->mandatory = true;
-  $o_586 = new UrlSpec();
-  $o_586->allowed_protocol = ['https'];
-  $o_586->allow_relative = true;
-  $o_585->value_url = $o_586;
-  $o_584->attrs[] = $o_585;
-  $o_584->attr_lists = ['extended-amp-global'];
-  $o_584->spec_url = 'https://www.ampproject.org/docs/reference/amp-pixel.html';
-  $o_587 = new AmpLayout();
-  $o_587->supported_layouts = [AmpLayoutLayout::FIXED, AmpLayoutLayout::NODISPLAY];
-  $o_587->defines_default_width = true;
-  $o_587->defines_default_height = true;
-  $o_584->amp_layout = $o_587;
-  $o_584->disallowed_ancestor = ['amp-sidebar'];
-  $o_0->tags[] = $o_584;
-  $o_588 = new TagSpec();
-  $o_588->tag_name = 'amp-video';
+  $o_585->name = 'rowspan';
+  $o_582->attrs[] = $o_585;
+  $o_586 = new AttrSpec();
+  $o_586->name = 'align';
+  $o_582->attrs[] = $o_586;
+  $o_587 = new AttrSpec();
+  $o_587->name = 'bgcolor';
+  $o_582->attrs[] = $o_587;
+  $o_588 = new AttrSpec();
+  $o_588->name = 'height';
+  $o_582->attrs[] = $o_588;
   $o_589 = new AttrSpec();
-  $o_589->name = 'alt';
-  $o_588->attrs[] = $o_589;
+  $o_589->name = 'valign';
+  $o_582->attrs[] = $o_589;
   $o_590 = new AttrSpec();
-  $o_590->name = 'attribution';
-  $o_588->attrs[] = $o_590;
-  $o_591 = new AttrSpec();
-  $o_591->name = 'autoplay';
-  $o_591->value = '';
-  $o_588->attrs[] = $o_591;
+  $o_590->name = 'width';
+  $o_582->attrs[] = $o_590;
+  $o_0->tags[] = $o_582;
+  $o_591 = new TagSpec();
+  $o_591->tag_name = 'th';
   $o_592 = new AttrSpec();
-  $o_592->name = 'controls';
-  $o_592->value = '';
-  $o_588->attrs[] = $o_592;
+  $o_592->name = 'abbr';
+  $o_591->attrs[] = $o_592;
   $o_593 = new AttrSpec();
-  $o_593->name = 'loop';
-  $o_593->value = '';
-  $o_588->attrs[] = $o_593;
+  $o_593->name = 'colspan';
+  $o_591->attrs[] = $o_593;
   $o_594 = new AttrSpec();
-  $o_594->name = 'muted';
-  $o_594->value = '';
-  $o_588->attrs[] = $o_594;
+  $o_594->name = 'headers';
+  $o_591->attrs[] = $o_594;
   $o_595 = new AttrSpec();
-  $o_595->name = 'placeholder';
-  $o_588->attrs[] = $o_595;
+  $o_595->name = 'rowspan';
+  $o_591->attrs[] = $o_595;
   $o_596 = new AttrSpec();
-  $o_596->name = 'poster';
-  $o_588->attrs[] = $o_596;
+  $o_596->name = 'scope';
+  $o_591->attrs[] = $o_596;
   $o_597 = new AttrSpec();
-  $o_597->name = 'preload';
-  $o_597->value_regex = '(none|metadata|auto|)';
-  $o_588->attrs[] = $o_597;
+  $o_597->name = 'sorted';
+  $o_591->attrs[] = $o_597;
   $o_598 = new AttrSpec();
-  $o_598->name = 'src';
-  $o_599 = new UrlSpec();
-  $o_599->allowed_protocol = ['https'];
-  $o_599->allow_relative = true;
-  $o_598->value_url = $o_599;
-  $o_588->attrs[] = $o_598;
-  $o_588->attr_lists = ['extended-amp-global'];
-  $o_588->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
-  $o_600 = new AmpLayout();
-  $o_600->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_588->amp_layout = $o_600;
-  $o_588->disallowed_ancestor = ['amp-sidebar'];
-  $o_0->tags[] = $o_588;
-  $o_601 = new TagSpec();
-  $o_601->tag_name = 'script';
-  $o_601->spec_name = 'amp-access extension .js script';
-  $o_601->mandatory_parent = 'head';
+  $o_598->name = 'align';
+  $o_591->attrs[] = $o_598;
+  $o_599 = new AttrSpec();
+  $o_599->name = 'bgcolor';
+  $o_591->attrs[] = $o_599;
+  $o_600 = new AttrSpec();
+  $o_600->name = 'height';
+  $o_591->attrs[] = $o_600;
+  $o_601 = new AttrSpec();
+  $o_601->name = 'valign';
+  $o_591->attrs[] = $o_601;
   $o_602 = new AttrSpec();
-  $o_602->name = 'async';
-  $o_602->mandatory = true;
-  $o_602->value = '';
-  $o_601->attrs[] = $o_602;
-  $o_603 = new AttrSpec();
-  $o_603->name = 'custom-element';
-  $o_603->mandatory = true;
-  $o_603->value = 'amp-access';
-  $o_603->dispatch_key = true;
-  $o_601->attrs[] = $o_603;
+  $o_602->name = 'width';
+  $o_591->attrs[] = $o_602;
+  $o_0->tags[] = $o_591;
+  $o_603 = new TagSpec();
+  $o_603->tag_name = 'form';
+  $o_603->spec_name = 'FORM [method=GET]';
   $o_604 = new AttrSpec();
-  $o_604->name = 'src';
-  $o_604->mandatory = true;
-  $o_604->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-access-(latest|0\\.1).js';
-  $o_601->attrs[] = $o_604;
+  $o_604->name = 'accept';
+  $o_603->attrs[] = $o_604;
   $o_605 = new AttrSpec();
-  $o_605->name = 'type';
-  $o_605->value = 'text/javascript';
-  $o_601->attrs[] = $o_605;
-  $o_601->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-access.html';
-  $o_606 = new CdataSpec();
-  $o_607 = new BlackListedCDataRegex();
-  $o_607->regex = '.';
-  $o_607->error_message = 'contents';
-  $o_606->blacklisted_cdata_regex[] = $o_607;
-  $o_601->cdata = $o_606;
-  $o_0->tags[] = $o_601;
-  $o_608 = new TagSpec();
-  $o_608->tag_name = 'script';
-  $o_608->spec_name = 'amp-access extension .json script';
-  $o_608->mandatory_parent = 'head';
-  $o_609 = new AttrSpec();
-  $o_609->name = 'id';
-  $o_609->mandatory = true;
-  $o_609->value = 'amp-access';
-  $o_609->dispatch_key = true;
-  $o_608->attrs[] = $o_609;
+  $o_605->name = 'accept-charset';
+  $o_603->attrs[] = $o_605;
+  $o_606 = new AttrSpec();
+  $o_606->name = 'action';
+  $o_606->mandatory = true;
+  $o_606->blacklisted_value_regex = '__amp_source_origin';
+  $o_607 = new UrlSpec();
+  $o_607->allowed_protocol = ['https'];
+  $o_607->allow_relative = true;
+  $o_607->disallowed_domain = ['cdn.ampproject.org', 'amp.cloudflare.com'];
+  $o_606->value_url = $o_607;
+  $o_603->attrs[] = $o_606;
+  $o_608 = new AttrSpec();
+  $o_608->name = 'action-xhr';
+  $o_608->blacklisted_value_regex = '__amp_source_origin';
+  $o_609 = new UrlSpec();
+  $o_609->allowed_protocol = ['https'];
+  $o_609->allow_relative = true;
+  $o_609->disallowed_domain = ['cdn.ampproject.org', 'amp.cloudflare.com'];
+  $o_608->value_url = $o_609;
+  $o_603->attrs[] = $o_608;
   $o_610 = new AttrSpec();
-  $o_610->name = 'type';
-  $o_610->mandatory = true;
-  $o_610->value = 'application/json';
-  $o_608->attrs[] = $o_610;
-  $o_608->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-access-spec.html';
-  $o_611 = new CdataSpec();
-  $o_612 = new BlackListedCDataRegex();
-  $o_612->regex = '<!--';
-  $o_612->error_message = 'html comments';
-  $o_611->blacklisted_cdata_regex[] = $o_612;
-  $o_608->cdata = $o_611;
-  $o_608->also_requires_tag = ['amp-access extension .js script', 'amp-analytics extension .js script'];
-  $o_0->tags[] = $o_608;
-  $o_613 = new TagSpec();
-  $o_613->tag_name = 'script';
-  $o_613->spec_name = 'amp-accordion extension .js script';
-  $o_613->mandatory_parent = 'head';
+  $o_610->name = 'autocomplete';
+  $o_603->attrs[] = $o_610;
+  $o_611 = new AttrSpec();
+  $o_611->name = 'custom-validation-reporting';
+  $o_611->value_regex = '(show-first-on-submit|show-all-on-submit|as-you-go)';
+  $o_603->attrs[] = $o_611;
+  $o_612 = new AttrSpec();
+  $o_612->name = 'enctype';
+  $o_603->attrs[] = $o_612;
+  $o_613 = new AttrSpec();
+  $o_613->name = 'method';
+  $o_613->value_casei = 'get';
+  $o_603->attrs[] = $o_613;
   $o_614 = new AttrSpec();
-  $o_614->name = 'async';
-  $o_614->mandatory = true;
-  $o_614->value = '';
-  $o_613->attrs[] = $o_614;
+  $o_614->name = 'name';
+  $o_603->attrs[] = $o_614;
   $o_615 = new AttrSpec();
-  $o_615->name = 'custom-element';
-  $o_615->mandatory = true;
-  $o_615->value = 'amp-accordion';
-  $o_615->dispatch_key = true;
-  $o_613->attrs[] = $o_615;
+  $o_615->name = 'novalidate';
+  $o_603->attrs[] = $o_615;
   $o_616 = new AttrSpec();
-  $o_616->name = 'src';
+  $o_616->name = 'target';
   $o_616->mandatory = true;
-  $o_616->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-accordion-(latest|0\\.1).js';
-  $o_613->attrs[] = $o_616;
-  $o_617 = new AttrSpec();
-  $o_617->name = 'type';
-  $o_617->value = 'text/javascript';
-  $o_613->attrs[] = $o_617;
-  $o_613->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-accordion.html';
-  $o_618 = new CdataSpec();
-  $o_619 = new BlackListedCDataRegex();
-  $o_619->regex = '.';
-  $o_619->error_message = 'contents';
-  $o_618->blacklisted_cdata_regex[] = $o_619;
-  $o_613->cdata = $o_618;
-  $o_0->tags[] = $o_613;
-  $o_620 = new TagSpec();
-  $o_620->tag_name = 'amp-accordion';
-  $o_621 = new AttrSpec();
-  $o_621->name = 'animate';
-  $o_621->value = '';
-  $o_620->attrs[] = $o_621;
-  $o_620->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-accordion.html';
-  $o_622 = new AmpLayout();
-  $o_622->supported_layouts = [AmpLayoutLayout::CONTAINER];
-  $o_620->amp_layout = $o_622;
-  $o_620->disallowed_ancestor = ['head'];
-  $o_620->also_requires_tag = ['amp-accordion extension .js script'];
-  $o_623 = new ChildTagSpec();
-  $o_623->child_tag_name_oneof = ['section'];
-  $o_620->child_tags = $o_623;
-  $o_0->tags[] = $o_620;
-  $o_624 = new TagSpec();
-  $o_624->tag_name = 'section';
-  $o_624->spec_name = 'amp-accordion > section';
-  $o_624->mandatory_parent = 'amp-accordion';
+  $o_616->value_regex_casei = '(_blank|_top)';
+  $o_603->attrs[] = $o_616;
+  $o_603->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_603->disallowed_ancestor = ['AMP-APP-BANNER'];
+  $o_603->also_requires_tag = ['amp-form extension .js script'];
+  $o_0->tags[] = $o_603;
+  $o_617 = new TagSpec();
+  $o_617->tag_name = 'form';
+  $o_617->spec_name = 'FORM [method=POST]';
+  $o_618 = new AttrSpec();
+  $o_618->name = 'accept';
+  $o_617->attrs[] = $o_618;
+  $o_619 = new AttrSpec();
+  $o_619->name = 'accept-charset';
+  $o_617->attrs[] = $o_619;
+  $o_620 = new AttrSpec();
+  $o_620->name = 'action-xhr';
+  $o_620->mandatory = true;
+  $o_620->blacklisted_value_regex = '__amp_source_origin';
+  $o_621 = new UrlSpec();
+  $o_621->allowed_protocol = ['https'];
+  $o_621->allow_relative = true;
+  $o_621->disallowed_domain = ['cdn.ampproject.org', 'amp.cloudflare.com'];
+  $o_620->value_url = $o_621;
+  $o_617->attrs[] = $o_620;
+  $o_622 = new AttrSpec();
+  $o_622->name = 'autocomplete';
+  $o_617->attrs[] = $o_622;
+  $o_623 = new AttrSpec();
+  $o_623->name = 'custom-validation-reporting';
+  $o_623->value_regex = '(show-first-on-submit|show-all-on-submit|as-you-go)';
+  $o_617->attrs[] = $o_623;
+  $o_624 = new AttrSpec();
+  $o_624->name = 'enctype';
+  $o_617->attrs[] = $o_624;
   $o_625 = new AttrSpec();
-  $o_625->name = 'expanded';
-  $o_625->value = '';
-  $o_624->attrs[] = $o_625;
-  $o_624->disallowed_ancestor = ['head'];
-  $o_626 = new ChildTagSpec();
-  $o_626->mandatory_num_child_tags = 2;
-  $o_626->first_child_tag_name_oneof = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header'];
-  $o_624->child_tags = $o_626;
-  $o_0->tags[] = $o_624;
-  $o_627 = new TagSpec();
-  $o_627->tag_name = 'script';
-  $o_627->spec_name = 'amp-analytics extension .js script';
-  $o_627->mandatory_parent = 'head';
+  $o_625->name = 'method';
+  $o_625->mandatory = true;
+  $o_625->dispatch_key = true;
+  $o_625->value_casei = 'post';
+  $o_617->attrs[] = $o_625;
+  $o_626 = new AttrSpec();
+  $o_626->name = 'name';
+  $o_617->attrs[] = $o_626;
+  $o_627 = new AttrSpec();
+  $o_627->name = 'novalidate';
+  $o_617->attrs[] = $o_627;
   $o_628 = new AttrSpec();
-  $o_628->name = 'async';
+  $o_628->name = 'target';
   $o_628->mandatory = true;
-  $o_628->value = '';
-  $o_627->attrs[] = $o_628;
-  $o_629 = new AttrSpec();
-  $o_629->name = 'custom-element';
-  $o_629->mandatory = true;
-  $o_629->value = 'amp-analytics';
-  $o_629->dispatch_key = true;
-  $o_627->attrs[] = $o_629;
+  $o_628->value_regex_casei = '(_blank|_top)';
+  $o_617->attrs[] = $o_628;
+  $o_617->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_617->disallowed_ancestor = ['AMP-APP-BANNER'];
+  $o_617->also_requires_tag = ['amp-form extension .js script'];
+  $o_0->tags[] = $o_617;
+  $o_629 = new TagSpec();
+  $o_629->tag_name = 'div';
+  $o_629->spec_name = 'FORM > DIV [submit-success]';
+  $o_629->mandatory_parent = 'form';
   $o_630 = new AttrSpec();
-  $o_630->name = 'src';
+  $o_630->name = 'submit-success';
   $o_630->mandatory = true;
-  $o_630->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-analytics-(latest|0\\.1).js';
-  $o_627->attrs[] = $o_630;
+  $o_629->attrs[] = $o_630;
   $o_631 = new AttrSpec();
-  $o_631->name = 'type';
-  $o_631->value = 'text/javascript';
-  $o_627->attrs[] = $o_631;
-  $o_627->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
-  $o_632 = new CdataSpec();
-  $o_633 = new BlackListedCDataRegex();
-  $o_633->regex = '.';
-  $o_633->error_message = 'contents';
-  $o_632->blacklisted_cdata_regex[] = $o_633;
-  $o_627->cdata = $o_632;
-  $o_0->tags[] = $o_627;
-  $o_634 = new TagSpec();
-  $o_634->tag_name = 'script';
-  $o_634->spec_name = 'amp-analytics extension .json script';
-  $o_634->mandatory_parent = 'amp-analytics';
+  $o_631->name = 'align';
+  $o_629->attrs[] = $o_631;
+  $o_632 = new ChildTagSpec();
+  $o_632->mandatory_num_child_tags = 1;
+  $o_632->first_child_tag_name_oneof = ['TEMPLATE'];
+  $o_629->child_tags = $o_632;
+  $o_0->tags[] = $o_629;
+  $o_633 = new TagSpec();
+  $o_633->tag_name = 'div';
+  $o_633->spec_name = 'FORM > DIV [submit-error]';
+  $o_633->mandatory_parent = 'form';
+  $o_634 = new AttrSpec();
+  $o_634->name = 'submit-error';
+  $o_634->mandatory = true;
+  $o_633->attrs[] = $o_634;
   $o_635 = new AttrSpec();
-  $o_635->name = 'type';
-  $o_635->mandatory = true;
-  $o_635->value = 'application/json';
-  $o_635->dispatch_key = true;
-  $o_634->attrs[] = $o_635;
-  $o_634->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
-  $o_636 = new CdataSpec();
-  $o_637 = new BlackListedCDataRegex();
-  $o_637->regex = '<!--';
-  $o_637->error_message = 'html comments';
-  $o_636->blacklisted_cdata_regex[] = $o_637;
-  $o_634->cdata = $o_636;
-  $o_0->tags[] = $o_634;
-  $o_638 = new TagSpec();
-  $o_638->tag_name = 'script';
-  $o_638->spec_name = 'amp-ad-metadata .json script';
-  $o_638->mandatory_parent = 'body';
-  $o_639 = new AttrSpec();
-  $o_639->name = 'type';
-  $o_639->mandatory = true;
-  $o_639->value = 'application/json';
-  $o_638->attrs[] = $o_639;
+  $o_635->name = 'align';
+  $o_633->attrs[] = $o_635;
+  $o_636 = new ChildTagSpec();
+  $o_636->mandatory_num_child_tags = 1;
+  $o_636->first_child_tag_name_oneof = ['TEMPLATE'];
+  $o_633->child_tags = $o_636;
+  $o_0->tags[] = $o_633;
+  $o_637 = new TagSpec();
+  $o_637->tag_name = 'label';
+  $o_638 = new AttrSpec();
+  $o_638->name = 'for';
+  $o_637->attrs[] = $o_638;
+  $o_637->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_0->tags[] = $o_637;
+  $o_639 = new TagSpec();
+  $o_639->tag_name = 'input';
   $o_640 = new AttrSpec();
-  $o_640->name = 'amp-ad-metadata';
-  $o_640->mandatory = true;
-  $o_640->value = '';
-  $o_640->dispatch_key = true;
-  $o_638->attrs[] = $o_640;
-  $o_638->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
-  $o_641 = new CdataSpec();
-  $o_642 = new BlackListedCDataRegex();
-  $o_642->regex = '<!--';
-  $o_642->error_message = 'html comments';
-  $o_641->blacklisted_cdata_regex[] = $o_642;
-  $o_638->cdata = $o_641;
-  $o_0->tags[] = $o_638;
-  $o_643 = new TagSpec();
-  $o_643->tag_name = 'amp-analytics';
+  $o_640->name = 'accept';
+  $o_639->attrs[] = $o_640;
+  $o_641 = new AttrSpec();
+  $o_641->name = 'accesskey';
+  $o_639->attrs[] = $o_641;
+  $o_642 = new AttrSpec();
+  $o_642->name = 'autocomplete';
+  $o_639->attrs[] = $o_642;
+  $o_643 = new AttrSpec();
+  $o_643->name = 'autofocus';
+  $o_639->attrs[] = $o_643;
   $o_644 = new AttrSpec();
-  $o_644->name = 'type';
-  $o_643->attrs[] = $o_644;
+  $o_644->name = 'checked';
+  $o_639->attrs[] = $o_644;
   $o_645 = new AttrSpec();
-  $o_645->name = 'config';
-  $o_646 = new UrlSpec();
-  $o_646->allowed_protocol = ['https'];
-  $o_646->allow_relative = true;
-  $o_645->value_url = $o_646;
-  $o_643->attrs[] = $o_645;
-  $o_643->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
-  $o_643->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_643->also_requires_tag = ['amp-analytics extension .js script'];
-  $o_0->tags[] = $o_643;
-  $o_647 = new TagSpec();
-  $o_647->tag_name = 'script';
-  $o_647->spec_name = 'amp-anim extension .js script';
-  $o_647->mandatory_parent = 'head';
+  $o_645->name = 'disabled';
+  $o_639->attrs[] = $o_645;
+  $o_646 = new AttrSpec();
+  $o_646->name = 'height';
+  $o_639->attrs[] = $o_646;
+  $o_647 = new AttrSpec();
+  $o_647->name = 'inputmode';
+  $o_639->attrs[] = $o_647;
   $o_648 = new AttrSpec();
-  $o_648->name = 'async';
-  $o_648->mandatory = true;
-  $o_648->value = '';
-  $o_647->attrs[] = $o_648;
+  $o_648->name = 'list';
+  $o_639->attrs[] = $o_648;
   $o_649 = new AttrSpec();
-  $o_649->name = 'custom-element';
-  $o_649->mandatory = true;
-  $o_649->value = 'amp-anim';
-  $o_649->dispatch_key = true;
-  $o_647->attrs[] = $o_649;
+  $o_649->name = 'max';
+  $o_639->attrs[] = $o_649;
   $o_650 = new AttrSpec();
-  $o_650->name = 'src';
-  $o_650->mandatory = true;
-  $o_650->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-anim-(latest|0\\.1).js';
-  $o_647->attrs[] = $o_650;
+  $o_650->name = 'maxlength';
+  $o_639->attrs[] = $o_650;
   $o_651 = new AttrSpec();
-  $o_651->name = 'type';
-  $o_651->value = 'text/javascript';
-  $o_647->attrs[] = $o_651;
-  $o_647->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-anim.html';
-  $o_652 = new CdataSpec();
-  $o_653 = new BlackListedCDataRegex();
-  $o_653->regex = '.';
-  $o_653->error_message = 'contents';
-  $o_652->blacklisted_cdata_regex[] = $o_653;
-  $o_647->cdata = $o_652;
-  $o_0->tags[] = $o_647;
-  $o_654 = new TagSpec();
-  $o_654->tag_name = 'amp-anim';
+  $o_651->name = 'min';
+  $o_639->attrs[] = $o_651;
+  $o_652 = new AttrSpec();
+  $o_652->name = 'minlength';
+  $o_639->attrs[] = $o_652;
+  $o_653 = new AttrSpec();
+  $o_653->name = 'multiple';
+  $o_639->attrs[] = $o_653;
+  $o_654 = new AttrSpec();
+  $o_654->name = 'pattern';
+  $o_639->attrs[] = $o_654;
   $o_655 = new AttrSpec();
-  $o_655->name = 'alt';
-  $o_654->attrs[] = $o_655;
+  $o_655->name = 'placeholder';
+  $o_639->attrs[] = $o_655;
   $o_656 = new AttrSpec();
-  $o_656->name = 'attribution';
-  $o_654->attrs[] = $o_656;
+  $o_656->name = 'readonly';
+  $o_639->attrs[] = $o_656;
   $o_657 = new AttrSpec();
-  $o_657->name = 'autoplay';
-  $o_657->value = '';
-  $o_654->attrs[] = $o_657;
+  $o_657->name = 'required';
+  $o_639->attrs[] = $o_657;
   $o_658 = new AttrSpec();
-  $o_658->name = 'controls';
-  $o_654->attrs[] = $o_658;
-  $o_654->attr_lists = ['extended-amp-global', 'mandatory-src-or-srcset'];
-  $o_654->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-anim.html';
-  $o_659 = new AmpLayout();
-  $o_659->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_654->amp_layout = $o_659;
-  $o_654->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_654->also_requires_tag = ['amp-anim extension .js script'];
-  $o_0->tags[] = $o_654;
-  $o_660 = new TagSpec();
-  $o_660->tag_name = 'script';
-  $o_660->spec_name = 'amp-audio extension .js script';
-  $o_660->mandatory_parent = 'head';
+  $o_658->name = 'selectiondirection';
+  $o_639->attrs[] = $o_658;
+  $o_659 = new AttrSpec();
+  $o_659->name = 'size';
+  $o_639->attrs[] = $o_659;
+  $o_660 = new AttrSpec();
+  $o_660->name = 'spellcheck';
+  $o_639->attrs[] = $o_660;
   $o_661 = new AttrSpec();
-  $o_661->name = 'async';
-  $o_661->mandatory = true;
-  $o_661->value = '';
-  $o_660->attrs[] = $o_661;
+  $o_661->name = 'step';
+  $o_639->attrs[] = $o_661;
   $o_662 = new AttrSpec();
-  $o_662->name = 'custom-element';
-  $o_662->mandatory = true;
-  $o_662->value = 'amp-audio';
-  $o_662->dispatch_key = true;
-  $o_660->attrs[] = $o_662;
+  $o_662->name = 'tabindex';
+  $o_639->attrs[] = $o_662;
   $o_663 = new AttrSpec();
-  $o_663->name = 'src';
-  $o_663->mandatory = true;
-  $o_663->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-audio-(latest|0\\.1).js';
-  $o_660->attrs[] = $o_663;
+  $o_663->name = 'type';
+  $o_663->blacklisted_value_regex = '(^|\\s)(button|file|image|password|)(\\s|$)';
+  $o_639->attrs[] = $o_663;
   $o_664 = new AttrSpec();
-  $o_664->name = 'type';
-  $o_664->value = 'text/javascript';
-  $o_660->attrs[] = $o_664;
-  $o_660->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
-  $o_665 = new CdataSpec();
-  $o_666 = new BlackListedCDataRegex();
-  $o_666->regex = '.';
-  $o_666->error_message = 'contents';
-  $o_665->blacklisted_cdata_regex[] = $o_666;
-  $o_660->cdata = $o_665;
-  $o_0->tags[] = $o_660;
-  $o_667 = new TagSpec();
-  $o_667->tag_name = 'amp-audio';
+  $o_664->name = 'value';
+  $o_639->attrs[] = $o_664;
+  $o_665 = new AttrSpec();
+  $o_665->name = 'width';
+  $o_639->attrs[] = $o_665;
+  $o_639->attr_lists = ['input-name-attr'];
+  $o_639->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_0->tags[] = $o_639;
+  $o_666 = new TagSpec();
+  $o_666->tag_name = 'button';
+  $o_667 = new AttrSpec();
+  $o_667->name = 'disabled';
+  $o_667->value = '';
+  $o_666->attrs[] = $o_667;
   $o_668 = new AttrSpec();
-  $o_668->name = 'autoplay';
-  $o_668->value_regex = '^$|desktop|tablet|mobile|autoplay';
-  $o_667->attrs[] = $o_668;
+  $o_668->name = 'role';
+  $o_668->implicit = true;
+  $o_666->attrs[] = $o_668;
   $o_669 = new AttrSpec();
-  $o_669->name = 'controls';
-  $o_667->attrs[] = $o_669;
+  $o_669->name = 'tabindex';
+  $o_669->implicit = true;
+  $o_666->attrs[] = $o_669;
   $o_670 = new AttrSpec();
-  $o_670->name = 'loop';
-  $o_670->value = '';
-  $o_667->attrs[] = $o_670;
+  $o_670->name = 'type';
+  $o_666->attrs[] = $o_670;
   $o_671 = new AttrSpec();
-  $o_671->name = 'muted';
-  $o_671->value = '';
-  $o_667->attrs[] = $o_671;
-  $o_672 = new AttrSpec();
-  $o_672->name = 'src';
-  $o_673 = new UrlSpec();
-  $o_673->allowed_protocol = ['https'];
-  $o_673->allow_relative = true;
-  $o_672->value_url = $o_673;
-  $o_667->attrs[] = $o_672;
-  $o_667->attr_lists = ['extended-amp-global'];
-  $o_667->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
-  $o_674 = new AmpLayout();
-  $o_674->supported_layouts = [AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::NODISPLAY];
-  $o_674->defines_default_width = true;
-  $o_674->defines_default_height = true;
-  $o_667->amp_layout = $o_674;
-  $o_667->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_667->also_requires_tag = ['amp-audio extension .js script'];
-  $o_0->tags[] = $o_667;
-  $o_675 = new TagSpec();
-  $o_675->tag_name = 'script';
-  $o_675->spec_name = 'amp-brid-player extension .js script';
-  $o_675->mandatory_parent = 'head';
+  $o_671->name = 'value';
+  $o_666->attrs[] = $o_671;
+  $o_666->attr_lists = ['input-name-attr'];
+  $o_0->tags[] = $o_666;
+  $o_672 = new TagSpec();
+  $o_672->tag_name = 'button';
+  $o_672->spec_name = 'amp-app-banner button[open-button]';
+  $o_673 = new AttrSpec();
+  $o_673->name = 'open-button';
+  $o_673->value = '';
+  $o_672->attrs[] = $o_673;
+  $o_674 = new AttrSpec();
+  $o_674->name = 'role';
+  $o_674->implicit = true;
+  $o_672->attrs[] = $o_674;
+  $o_675 = new AttrSpec();
+  $o_675->name = 'tabindex';
+  $o_675->implicit = true;
+  $o_672->attrs[] = $o_675;
   $o_676 = new AttrSpec();
-  $o_676->name = 'async';
-  $o_676->mandatory = true;
-  $o_676->value = '';
-  $o_675->attrs[] = $o_676;
+  $o_676->name = 'type';
+  $o_672->attrs[] = $o_676;
   $o_677 = new AttrSpec();
-  $o_677->name = 'custom-element';
-  $o_677->mandatory = true;
-  $o_677->value = 'amp-brid-player';
-  $o_677->dispatch_key = true;
-  $o_675->attrs[] = $o_677;
-  $o_678 = new AttrSpec();
-  $o_678->name = 'src';
-  $o_678->mandatory = true;
-  $o_678->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-brid-player-(latest|0\\.1).js';
-  $o_675->attrs[] = $o_678;
+  $o_677->name = 'value';
+  $o_672->attrs[] = $o_677;
+  $o_672->attr_lists = ['input-name-attr'];
+  $o_672->mandatory_ancestor = 'amp-app-banner';
+  $o_0->tags[] = $o_672;
+  $o_678 = new TagSpec();
+  $o_678->tag_name = 'select';
   $o_679 = new AttrSpec();
-  $o_679->name = 'type';
-  $o_679->value = 'text/javascript';
-  $o_675->attrs[] = $o_679;
-  $o_675->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-brid-player/amp-brid-player.md';
-  $o_680 = new CdataSpec();
-  $o_681 = new BlackListedCDataRegex();
-  $o_681->regex = '.';
-  $o_681->error_message = 'contents';
-  $o_680->blacklisted_cdata_regex[] = $o_681;
-  $o_675->cdata = $o_680;
-  $o_0->tags[] = $o_675;
-  $o_682 = new TagSpec();
-  $o_682->tag_name = 'amp-brid-player';
+  $o_679->name = 'autofocus';
+  $o_678->attrs[] = $o_679;
+  $o_680 = new AttrSpec();
+  $o_680->name = 'disabled';
+  $o_678->attrs[] = $o_680;
+  $o_681 = new AttrSpec();
+  $o_681->name = 'multiple';
+  $o_678->attrs[] = $o_681;
+  $o_682 = new AttrSpec();
+  $o_682->name = 'required';
+  $o_678->attrs[] = $o_682;
   $o_683 = new AttrSpec();
-  $o_683->name = 'data-partner';
-  $o_683->mandatory = true;
-  $o_683->value_regex = '[0-9]+';
-  $o_682->attrs[] = $o_683;
-  $o_684 = new AttrSpec();
-  $o_684->name = 'data-player';
-  $o_684->mandatory = true;
-  $o_684->value_regex = '[0-9]+';
-  $o_682->attrs[] = $o_684;
-  $o_685 = new AttrSpec();
-  $o_685->name = 'data-playlist';
-  $o_685->mandatory_oneof = '[\'data-playlist\', \'data-video\']';
-  $o_685->value_regex = '[0-9]+';
-  $o_682->attrs[] = $o_685;
+  $o_683->name = 'size';
+  $o_678->attrs[] = $o_683;
+  $o_678->attr_lists = ['input-name-attr'];
+  $o_678->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_678->also_requires_tag = ['amp-form extension .js script'];
+  $o_678->mandatory_ancestor = 'form';
+  $o_0->tags[] = $o_678;
+  $o_684 = new TagSpec();
+  $o_684->tag_name = 'datalist';
+  $o_684->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_684->also_requires_tag = ['amp-form extension .js script'];
+  $o_684->mandatory_ancestor = 'form';
+  $o_0->tags[] = $o_684;
+  $o_685 = new TagSpec();
+  $o_685->tag_name = 'optgroup';
+  $o_685->mandatory_parent = 'select';
   $o_686 = new AttrSpec();
-  $o_686->name = 'data-video';
-  $o_686->mandatory_oneof = '[\'data-playlist\', \'data-video\']';
-  $o_686->value_regex = '[0-9]+';
-  $o_682->attrs[] = $o_686;
-  $o_682->attr_lists = ['extended-amp-global'];
-  $o_682->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-brid-player/amp-brid-player.md';
-  $o_687 = new AmpLayout();
-  $o_687->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_682->amp_layout = $o_687;
-  $o_682->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_682->also_requires_tag = ['amp-brid-player extension .js script'];
-  $o_0->tags[] = $o_682;
+  $o_686->name = 'disabled';
+  $o_685->attrs[] = $o_686;
+  $o_687 = new AttrSpec();
+  $o_687->name = 'label';
+  $o_685->attrs[] = $o_687;
+  $o_685->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_685->also_requires_tag = ['amp-form extension .js script'];
+  $o_0->tags[] = $o_685;
   $o_688 = new TagSpec();
-  $o_688->tag_name = 'script';
-  $o_688->spec_name = 'amp-brightcove extension .js script';
-  $o_688->mandatory_parent = 'head';
+  $o_688->tag_name = 'option';
   $o_689 = new AttrSpec();
-  $o_689->name = 'async';
-  $o_689->mandatory = true;
-  $o_689->value = '';
+  $o_689->name = 'disabled';
   $o_688->attrs[] = $o_689;
   $o_690 = new AttrSpec();
-  $o_690->name = 'custom-element';
-  $o_690->mandatory = true;
-  $o_690->value = 'amp-brightcove';
-  $o_690->dispatch_key = true;
+  $o_690->name = 'label';
   $o_688->attrs[] = $o_690;
   $o_691 = new AttrSpec();
-  $o_691->name = 'src';
-  $o_691->mandatory = true;
-  $o_691->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-brightcove-(latest|0\\.1).js';
+  $o_691->name = 'selected';
   $o_688->attrs[] = $o_691;
   $o_692 = new AttrSpec();
-  $o_692->name = 'type';
-  $o_692->value = 'text/javascript';
+  $o_692->name = 'value';
   $o_688->attrs[] = $o_692;
-  $o_688->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brightcove.html';
-  $o_693 = new CdataSpec();
-  $o_694 = new BlackListedCDataRegex();
-  $o_694->regex = '.';
-  $o_694->error_message = 'contents';
-  $o_693->blacklisted_cdata_regex[] = $o_694;
-  $o_688->cdata = $o_693;
+  $o_688->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_688->also_requires_tag = ['amp-form extension .js script'];
+  $o_688->mandatory_ancestor = 'form';
   $o_0->tags[] = $o_688;
-  $o_695 = new TagSpec();
-  $o_695->tag_name = 'amp-brightcove';
+  $o_693 = new TagSpec();
+  $o_693->tag_name = 'textarea';
+  $o_694 = new AttrSpec();
+  $o_694->name = 'autocomplete';
+  $o_693->attrs[] = $o_694;
+  $o_695 = new AttrSpec();
+  $o_695->name = 'autofocus';
+  $o_693->attrs[] = $o_695;
   $o_696 = new AttrSpec();
-  $o_696->name = 'data-account';
-  $o_696->mandatory = true;
-  $o_695->attrs[] = $o_696;
+  $o_696->name = 'cols';
+  $o_693->attrs[] = $o_696;
   $o_697 = new AttrSpec();
-  $o_697->name = 'data-embed';
-  $o_695->attrs[] = $o_697;
+  $o_697->name = 'disabled';
+  $o_693->attrs[] = $o_697;
   $o_698 = new AttrSpec();
-  $o_698->name = 'data-player';
-  $o_695->attrs[] = $o_698;
+  $o_698->name = 'maxlength';
+  $o_693->attrs[] = $o_698;
   $o_699 = new AttrSpec();
-  $o_699->name = 'data-playlist-id';
-  $o_695->attrs[] = $o_699;
+  $o_699->name = 'minlength';
+  $o_693->attrs[] = $o_699;
   $o_700 = new AttrSpec();
-  $o_700->name = 'data-video-id';
-  $o_695->attrs[] = $o_700;
-  $o_695->attr_lists = ['extended-amp-global'];
-  $o_695->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brightcove.html';
-  $o_701 = new AmpLayout();
-  $o_701->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_695->amp_layout = $o_701;
-  $o_695->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_695->also_requires_tag = ['amp-brightcove extension .js script'];
-  $o_0->tags[] = $o_695;
-  $o_702 = new TagSpec();
-  $o_702->tag_name = 'script';
-  $o_702->spec_name = 'amp-carousel extension .js script';
-  $o_702->mandatory_parent = 'head';
+  $o_700->name = 'placeholder';
+  $o_693->attrs[] = $o_700;
+  $o_701 = new AttrSpec();
+  $o_701->name = 'readonly';
+  $o_693->attrs[] = $o_701;
+  $o_702 = new AttrSpec();
+  $o_702->name = 'required';
+  $o_693->attrs[] = $o_702;
   $o_703 = new AttrSpec();
-  $o_703->name = 'async';
-  $o_703->mandatory = true;
-  $o_703->value = '';
-  $o_702->attrs[] = $o_703;
+  $o_703->name = 'rows';
+  $o_693->attrs[] = $o_703;
   $o_704 = new AttrSpec();
-  $o_704->name = 'custom-element';
-  $o_704->mandatory = true;
-  $o_704->value = 'amp-carousel';
-  $o_704->dispatch_key = true;
-  $o_702->attrs[] = $o_704;
+  $o_704->name = 'selectiondirection';
+  $o_693->attrs[] = $o_704;
   $o_705 = new AttrSpec();
-  $o_705->name = 'src';
-  $o_705->mandatory = true;
-  $o_705->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-carousel-(latest|0\\.1).js';
-  $o_702->attrs[] = $o_705;
+  $o_705->name = 'selectionend';
+  $o_693->attrs[] = $o_705;
   $o_706 = new AttrSpec();
-  $o_706->name = 'type';
-  $o_706->value = 'text/javascript';
-  $o_702->attrs[] = $o_706;
-  $o_702->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-carousel.html';
-  $o_707 = new CdataSpec();
-  $o_708 = new BlackListedCDataRegex();
-  $o_708->regex = '.';
-  $o_708->error_message = 'contents';
-  $o_707->blacklisted_cdata_regex[] = $o_708;
-  $o_702->cdata = $o_707;
-  $o_0->tags[] = $o_702;
+  $o_706->name = 'selectionstart';
+  $o_693->attrs[] = $o_706;
+  $o_707 = new AttrSpec();
+  $o_707->name = 'spellcheck';
+  $o_693->attrs[] = $o_707;
+  $o_708 = new AttrSpec();
+  $o_708->name = 'wrap';
+  $o_693->attrs[] = $o_708;
+  $o_693->attr_lists = ['input-name-attr'];
+  $o_693->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_693->also_requires_tag = ['amp-form extension .js script'];
+  $o_693->mandatory_ancestor = 'form';
+  $o_0->tags[] = $o_693;
   $o_709 = new TagSpec();
-  $o_709->tag_name = 'amp-carousel';
+  $o_709->tag_name = 'output';
   $o_710 = new AttrSpec();
-  $o_710->name = 'arrows';
-  $o_710->value = '';
+  $o_710->name = 'for';
   $o_709->attrs[] = $o_710;
   $o_711 = new AttrSpec();
-  $o_711->name = 'autoplay';
-  $o_711->value = '';
+  $o_711->name = 'form';
   $o_709->attrs[] = $o_711;
-  $o_712 = new AttrSpec();
-  $o_712->name = 'controls';
-  $o_709->attrs[] = $o_712;
+  $o_709->attr_lists = ['input-name-attr'];
+  $o_0->tags[] = $o_709;
+  $o_712 = new TagSpec();
+  $o_712->tag_name = 'progress';
   $o_713 = new AttrSpec();
-  $o_713->name = 'delay';
-  $o_713->value_regex = '[0-9]+';
-  $o_709->attrs[] = $o_713;
+  $o_713->name = 'max';
+  $o_712->attrs[] = $o_713;
   $o_714 = new AttrSpec();
-  $o_714->name = 'dots';
-  $o_714->value = '';
-  $o_709->attrs[] = $o_714;
-  $o_715 = new AttrSpec();
-  $o_715->name = 'loop';
-  $o_715->value = '';
-  $o_709->attrs[] = $o_715;
+  $o_714->name = 'value';
+  $o_712->attrs[] = $o_714;
+  $o_0->tags[] = $o_712;
+  $o_715 = new TagSpec();
+  $o_715->tag_name = 'meter';
   $o_716 = new AttrSpec();
-  $o_716->name = 'type';
-  $o_716->value_regex = 'slides|carousel';
-  $o_709->attrs[] = $o_716;
-  $o_709->attr_lists = ['extended-amp-global'];
-  $o_709->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-carousel.html';
-  $o_717 = new AmpLayout();
-  $o_717->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_709->amp_layout = $o_717;
-  $o_709->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_709->also_requires_tag = ['amp-carousel extension .js script'];
-  $o_0->tags[] = $o_709;
-  $o_718 = new TagSpec();
-  $o_718->tag_name = 'script';
-  $o_718->spec_name = 'amp-dailymotion extension .js script';
-  $o_718->mandatory_parent = 'head';
+  $o_716->name = 'high';
+  $o_715->attrs[] = $o_716;
+  $o_717 = new AttrSpec();
+  $o_717->name = 'low';
+  $o_715->attrs[] = $o_717;
+  $o_718 = new AttrSpec();
+  $o_718->name = 'max';
+  $o_715->attrs[] = $o_718;
   $o_719 = new AttrSpec();
-  $o_719->name = 'async';
-  $o_719->mandatory = true;
-  $o_719->value = '';
-  $o_718->attrs[] = $o_719;
+  $o_719->name = 'min';
+  $o_715->attrs[] = $o_719;
   $o_720 = new AttrSpec();
-  $o_720->name = 'custom-element';
-  $o_720->mandatory = true;
-  $o_720->value = 'amp-dailymotion';
-  $o_720->dispatch_key = true;
-  $o_718->attrs[] = $o_720;
+  $o_720->name = 'optimum';
+  $o_715->attrs[] = $o_720;
   $o_721 = new AttrSpec();
-  $o_721->name = 'src';
-  $o_721->mandatory = true;
-  $o_721->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-dailymotion-(latest|0\\.1)\\.js';
-  $o_718->attrs[] = $o_721;
-  $o_722 = new AttrSpec();
-  $o_722->name = 'type';
-  $o_722->value = 'text/javascript';
-  $o_718->attrs[] = $o_722;
-  $o_718->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dailymotion.html';
-  $o_723 = new CdataSpec();
-  $o_724 = new BlackListedCDataRegex();
-  $o_724->regex = '.';
-  $o_724->error_message = 'contents';
-  $o_723->blacklisted_cdata_regex[] = $o_724;
-  $o_718->cdata = $o_723;
-  $o_0->tags[] = $o_718;
+  $o_721->name = 'value';
+  $o_715->attrs[] = $o_721;
+  $o_0->tags[] = $o_715;
+  $o_722 = new TagSpec();
+  $o_722->tag_name = 'fieldset';
+  $o_723 = new AttrSpec();
+  $o_723->name = 'disabled';
+  $o_722->attrs[] = $o_723;
+  $o_722->attr_lists = ['input-name-attr'];
+  $o_0->tags[] = $o_722;
+  $o_724 = new TagSpec();
+  $o_724->tag_name = 'legend';
+  $o_0->tags[] = $o_724;
   $o_725 = new TagSpec();
-  $o_725->tag_name = 'amp-dailymotion';
+  $o_725->tag_name = 'script';
+  $o_725->spec_name = 'amphtml engine v0.js script';
+  $o_725->mandatory = true;
+  $o_725->unique = true;
+  $o_725->mandatory_parent = 'head';
   $o_726 = new AttrSpec();
-  $o_726->name = 'data-endscreen-enable';
-  $o_726->value_regex = 'true|false';
+  $o_726->name = 'async';
+  $o_726->mandatory = true;
+  $o_726->value = '';
   $o_725->attrs[] = $o_726;
   $o_727 = new AttrSpec();
-  $o_727->name = 'data-info';
-  $o_727->value_regex = 'true|false';
+  $o_727->name = 'nonce';
   $o_725->attrs[] = $o_727;
   $o_728 = new AttrSpec();
-  $o_728->name = 'data-mute';
-  $o_728->value_regex = 'true|false';
+  $o_728->name = 'src';
+  $o_728->mandatory = true;
+  $o_728->value = 'https://cdn.ampproject.org/v0.js';
+  $o_728->dispatch_key = true;
   $o_725->attrs[] = $o_728;
   $o_729 = new AttrSpec();
-  $o_729->name = 'data-sharing-enable';
-  $o_729->value_regex = 'true|false';
+  $o_729->name = 'type';
+  $o_729->value_casei = 'text/javascript';
   $o_725->attrs[] = $o_729;
-  $o_730 = new AttrSpec();
-  $o_730->name = 'data-start';
-  $o_730->value_regex = '[0-9]+';
-  $o_725->attrs[] = $o_730;
-  $o_731 = new AttrSpec();
-  $o_731->name = 'data-ui-highlight';
-  $o_731->value_regex_casei = '([0-9a-f]{3}){1,2}';
-  $o_725->attrs[] = $o_731;
-  $o_732 = new AttrSpec();
-  $o_732->name = 'data-ui-logo';
-  $o_732->value_regex = 'true|false';
-  $o_725->attrs[] = $o_732;
+  $o_725->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_730 = new CdataSpec();
+  $o_731 = new BlackListedCDataRegex();
+  $o_731->regex = '.';
+  $o_731->error_message = 'contents';
+  $o_730->blacklisted_cdata_regex[] = $o_731;
+  $o_725->cdata = $o_730;
+  $o_725->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_725;
+  $o_732 = new TagSpec();
+  $o_732->tag_name = 'script';
+  $o_732->spec_name = 'amp4ads engine amp4ads-v0.js script';
+  $o_732->mandatory = true;
+  $o_732->unique = true;
+  $o_732->mandatory_parent = 'head';
   $o_733 = new AttrSpec();
-  $o_733->name = 'data-videoid';
+  $o_733->name = 'async';
   $o_733->mandatory = true;
-  $o_733->value_regex_casei = '[a-z0-9]+';
-  $o_725->attrs[] = $o_733;
-  $o_725->attr_lists = ['extended-amp-global'];
-  $o_725->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dailymotion.html';
-  $o_734 = new AmpLayout();
-  $o_734->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
-  $o_725->amp_layout = $o_734;
-  $o_725->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_725->also_requires_tag = ['amp-dailymotion extension .js script'];
-  $o_0->tags[] = $o_725;
-  $o_735 = new TagSpec();
-  $o_735->tag_name = 'script';
-  $o_735->spec_name = 'amp-dynamic-css-classes extension .js script';
-  $o_735->mandatory_parent = 'head';
+  $o_733->value = '';
+  $o_732->attrs[] = $o_733;
+  $o_734 = new AttrSpec();
+  $o_734->name = 'nonce';
+  $o_732->attrs[] = $o_734;
+  $o_735 = new AttrSpec();
+  $o_735->name = 'src';
+  $o_735->mandatory = true;
+  $o_735->value_regex = 'https://cdn\\.ampproject\\.org/(amp4ads-)?v0\\.js';
+  $o_732->attrs[] = $o_735;
   $o_736 = new AttrSpec();
-  $o_736->name = 'async';
-  $o_736->mandatory = true;
-  $o_736->value = '';
-  $o_735->attrs[] = $o_736;
-  $o_737 = new AttrSpec();
-  $o_737->name = 'custom-element';
-  $o_737->mandatory = true;
-  $o_737->value = 'amp-dynamic-css-classes';
-  $o_737->dispatch_key = true;
-  $o_735->attrs[] = $o_737;
-  $o_738 = new AttrSpec();
-  $o_738->name = 'src';
-  $o_738->mandatory = true;
-  $o_738->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-dynamic-css-classes-(latest|0\\.1).js';
-  $o_735->attrs[] = $o_738;
-  $o_739 = new AttrSpec();
-  $o_739->name = 'type';
-  $o_739->value = 'text/javascript';
-  $o_735->attrs[] = $o_739;
-  $o_735->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dynamic-css-classes.html';
-  $o_740 = new CdataSpec();
-  $o_741 = new BlackListedCDataRegex();
-  $o_741->regex = '.';
-  $o_741->error_message = 'contents';
-  $o_740->blacklisted_cdata_regex[] = $o_741;
-  $o_735->cdata = $o_740;
-  $o_0->tags[] = $o_735;
-  $o_742 = new TagSpec();
-  $o_742->tag_name = 'script';
-  $o_742->spec_name = 'amp-facebook extension .js script';
-  $o_742->mandatory_parent = 'head';
-  $o_743 = new AttrSpec();
-  $o_743->name = 'async';
-  $o_743->mandatory = true;
-  $o_743->value = '';
-  $o_742->attrs[] = $o_743;
-  $o_744 = new AttrSpec();
-  $o_744->name = 'custom-element';
+  $o_736->name = 'type';
+  $o_736->value_casei = 'text/javascript';
+  $o_732->attrs[] = $o_736;
+  $o_732->spec_url = 'https://www.ampproject.org/docs/reference/spec.html#required-markup';
+  $o_737 = new CdataSpec();
+  $o_738 = new BlackListedCDataRegex();
+  $o_738->regex = '.';
+  $o_738->error_message = 'contents';
+  $o_737->blacklisted_cdata_regex[] = $o_738;
+  $o_732->cdata = $o_737;
+  $o_732->html_format = [TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_732;
+  $o_739 = new TagSpec();
+  $o_739->tag_name = 'script';
+  $o_739->spec_name = 'script type=application/ld+json';
+  $o_740 = new AttrSpec();
+  $o_740->name = 'nonce';
+  $o_739->attrs[] = $o_740;
+  $o_741 = new AttrSpec();
+  $o_741->name = 'type';
+  $o_741->mandatory = true;
+  $o_741->dispatch_key = true;
+  $o_741->value_casei = 'application/ld+json';
+  $o_739->attrs[] = $o_741;
+  $o_742 = new CdataSpec();
+  $o_743 = new BlackListedCDataRegex();
+  $o_743->regex = '<!--';
+  $o_743->error_message = 'html comments';
+  $o_742->blacklisted_cdata_regex[] = $o_743;
+  $o_739->cdata = $o_742;
+  $o_0->tags[] = $o_739;
+  $o_744 = new TagSpec();
+  $o_744->tag_name = 'noscript';
+  $o_744->spec_name = 'noscript enclosure for boilerplate';
   $o_744->mandatory = true;
-  $o_744->value = 'amp-facebook';
-  $o_744->dispatch_key = true;
-  $o_742->attrs[] = $o_744;
-  $o_745 = new AttrSpec();
-  $o_745->name = 'src';
-  $o_745->mandatory = true;
-  $o_745->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-facebook-(latest|0\\.1).js';
-  $o_742->attrs[] = $o_745;
-  $o_746 = new AttrSpec();
-  $o_746->name = 'type';
-  $o_746->value = 'text/javascript';
-  $o_742->attrs[] = $o_746;
-  $o_742->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-facebook.html';
-  $o_747 = new CdataSpec();
-  $o_748 = new BlackListedCDataRegex();
-  $o_748->regex = '.';
-  $o_748->error_message = 'contents';
-  $o_747->blacklisted_cdata_regex[] = $o_748;
-  $o_742->cdata = $o_747;
-  $o_0->tags[] = $o_742;
+  $o_744->unique = true;
+  $o_744->mandatory_parent = 'head';
+  $o_744->spec_url = 'https://github.com/ampproject/amphtml/blob/master/spec/amp-boilerplate.md';
+  $o_744->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_744;
+  $o_745 = new TagSpec();
+  $o_745->tag_name = 'noscript';
+  $o_745->disallowed_ancestor = ['NOSCRIPT'];
+  $o_745->mandatory_ancestor = 'body';
+  $o_745->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_745;
+  $o_746 = new TagSpec();
+  $o_746->tag_name = 'acronym';
+  $o_746->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_746;
+  $o_747 = new TagSpec();
+  $o_747->tag_name = 'big';
+  $o_747->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_747;
+  $o_748 = new TagSpec();
+  $o_748->tag_name = 'center';
+  $o_748->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_748;
   $o_749 = new TagSpec();
-  $o_749->tag_name = 'amp-facebook';
-  $o_750 = new AttrSpec();
-  $o_750->name = 'data-href';
-  $o_750->mandatory = true;
-  $o_749->attrs[] = $o_750;
-  $o_749->attr_lists = ['extended-amp-global'];
-  $o_749->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-facebook.html';
-  $o_751 = new AmpLayout();
-  $o_751->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_749->amp_layout = $o_751;
-  $o_749->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_749->also_requires_tag = ['amp-facebook extension .js script'];
+  $o_749->tag_name = 'dir';
+  $o_749->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_749;
+  $o_750 = new TagSpec();
+  $o_750->tag_name = 'hgroup';
+  $o_750->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_750;
+  $o_751 = new TagSpec();
+  $o_751->tag_name = 'listing';
+  $o_751->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_751;
   $o_752 = new TagSpec();
-  $o_752->tag_name = 'script';
-  $o_752->spec_name = 'amp-fit-text extension .js script';
-  $o_752->mandatory_parent = 'head';
-  $o_753 = new AttrSpec();
-  $o_753->name = 'async';
-  $o_753->mandatory = true;
-  $o_753->value = '';
-  $o_752->attrs[] = $o_753;
-  $o_754 = new AttrSpec();
-  $o_754->name = 'custom-element';
-  $o_754->mandatory = true;
-  $o_754->value = 'amp-fit-text';
-  $o_754->dispatch_key = true;
-  $o_752->attrs[] = $o_754;
-  $o_755 = new AttrSpec();
-  $o_755->name = 'src';
-  $o_755->mandatory = true;
-  $o_755->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-fit-text-(latest|0\\.1).js';
-  $o_752->attrs[] = $o_755;
-  $o_756 = new AttrSpec();
-  $o_756->name = 'type';
-  $o_756->value = 'text/javascript';
-  $o_752->attrs[] = $o_756;
-  $o_752->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fit-text.html';
-  $o_757 = new CdataSpec();
-  $o_758 = new BlackListedCDataRegex();
-  $o_758->regex = '.';
-  $o_758->error_message = 'contents';
-  $o_757->blacklisted_cdata_regex[] = $o_758;
-  $o_752->cdata = $o_757;
+  $o_752->tag_name = 'multicol';
+  $o_752->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_752;
+  $o_753 = new TagSpec();
+  $o_753->tag_name = 'nextid';
+  $o_753->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_753;
+  $o_754 = new TagSpec();
+  $o_754->tag_name = 'nobr';
+  $o_754->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_754;
+  $o_755 = new TagSpec();
+  $o_755->tag_name = 'spacer';
+  $o_755->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_755;
+  $o_756 = new TagSpec();
+  $o_756->tag_name = 'strike';
+  $o_756->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_756;
+  $o_757 = new TagSpec();
+  $o_757->tag_name = 'tt';
+  $o_757->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_757;
+  $o_758 = new TagSpec();
+  $o_758->tag_name = 'xmp';
+  $o_758->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_758;
   $o_759 = new TagSpec();
-  $o_759->tag_name = 'amp-fit-text';
-  $o_760 = new AttrSpec();
-  $o_760->name = 'max-font-size';
-  $o_759->attrs[] = $o_760;
-  $o_761 = new AttrSpec();
-  $o_761->name = 'min-font-size';
-  $o_759->attrs[] = $o_761;
-  $o_759->attr_lists = ['extended-amp-global'];
-  $o_759->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fit-text.html';
-  $o_762 = new AmpLayout();
-  $o_762->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_759->amp_layout = $o_762;
-  $o_759->disallowed_ancestor = ['head'];
-  $o_759->also_requires_tag = ['amp-fit-text extension .js script'];
+  $o_759->tag_name = 'o:p';
+  $o_759->html_format = [TagSpecHtmlFormat::AMP];
   $o_0->tags[] = $o_759;
-  $o_763 = new TagSpec();
-  $o_763->tag_name = 'script';
-  $o_763->spec_name = 'amp-font extension .js script';
-  $o_763->mandatory_parent = 'head';
-  $o_764 = new AttrSpec();
-  $o_764->name = 'async';
-  $o_764->mandatory = true;
-  $o_764->value = '';
-  $o_763->attrs[] = $o_764;
-  $o_765 = new AttrSpec();
-  $o_765->name = 'custom-element';
-  $o_765->mandatory = true;
-  $o_765->value = 'amp-font';
-  $o_765->dispatch_key = true;
-  $o_763->attrs[] = $o_765;
+  $o_760 = new TagSpec();
+  $o_760->tag_name = 'amp-img';
+  $o_761 = new AttrSpec();
+  $o_761->name = 'alt';
+  $o_760->attrs[] = $o_761;
+  $o_762 = new AttrSpec();
+  $o_762->name = 'attribution';
+  $o_760->attrs[] = $o_762;
+  $o_763 = new AttrSpec();
+  $o_763->name = 'placeholder';
+  $o_760->attrs[] = $o_763;
+  $o_760->attr_lists = ['extended-amp-global', 'mandatory-src-or-srcset'];
+  $o_760->spec_url = 'https://www.ampproject.org/docs/reference/amp-img.html';
+  $o_764 = new AmpLayout();
+  $o_764->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_760->amp_layout = $o_764;
+  $o_760->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_760;
+  $o_765 = new TagSpec();
+  $o_765->tag_name = 'amp-pixel';
   $o_766 = new AttrSpec();
   $o_766->name = 'src';
   $o_766->mandatory = true;
-  $o_766->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-font-(latest|0\\.1).js';
-  $o_763->attrs[] = $o_766;
-  $o_767 = new AttrSpec();
-  $o_767->name = 'type';
-  $o_767->value = 'text/javascript';
-  $o_763->attrs[] = $o_767;
-  $o_763->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-font.html';
-  $o_768 = new CdataSpec();
-  $o_769 = new BlackListedCDataRegex();
-  $o_769->regex = '.';
-  $o_769->error_message = 'contents';
-  $o_768->blacklisted_cdata_regex[] = $o_769;
-  $o_763->cdata = $o_768;
-  $o_0->tags[] = $o_763;
-  $o_770 = new TagSpec();
-  $o_770->tag_name = 'amp-font';
+  $o_766->blacklisted_value_regex = '__amp_source_origin';
+  $o_767 = new UrlSpec();
+  $o_767->allowed_protocol = ['https'];
+  $o_767->allow_relative = true;
+  $o_766->value_url = $o_767;
+  $o_765->attrs[] = $o_766;
+  $o_765->attr_lists = ['extended-amp-global'];
+  $o_765->spec_url = 'https://www.ampproject.org/docs/reference/amp-pixel.html';
+  $o_768 = new AmpLayout();
+  $o_768->supported_layouts = [AmpLayoutLayout::FIXED, AmpLayoutLayout::NODISPLAY];
+  $o_768->defines_default_width = true;
+  $o_768->defines_default_height = true;
+  $o_765->amp_layout = $o_768;
+  $o_765->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_765->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_765;
+  $o_769 = new TagSpec();
+  $o_769->tag_name = 'script';
+  $o_769->spec_name = 'amp-access-laterpay extension .js script';
+  $o_769->unique = true;
+  $o_769->mandatory_parent = 'head';
+  $o_770 = new AttrSpec();
+  $o_770->name = 'async';
+  $o_770->mandatory = true;
+  $o_770->value = '';
+  $o_769->attrs[] = $o_770;
   $o_771 = new AttrSpec();
-  $o_771->name = 'font-family';
+  $o_771->name = 'custom-element';
   $o_771->mandatory = true;
-  $o_770->attrs[] = $o_771;
+  $o_771->value = 'amp-access-laterpay';
+  $o_771->dispatch_key = true;
+  $o_769->attrs[] = $o_771;
   $o_772 = new AttrSpec();
-  $o_772->name = 'font-style';
-  $o_770->attrs[] = $o_772;
+  $o_772->name = 'src';
+  $o_772->mandatory = true;
+  $o_772->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-access-laterpay-(latest|0\\.1).js';
+  $o_769->attrs[] = $o_772;
   $o_773 = new AttrSpec();
-  $o_773->name = 'font-variant';
-  $o_770->attrs[] = $o_773;
-  $o_774 = new AttrSpec();
-  $o_774->name = 'timeout';
-  $o_774->value_regex = '[0-9]+';
-  $o_770->attrs[] = $o_774;
-  $o_775 = new AttrSpec();
-  $o_775->name = 'font-weight';
-  $o_770->attrs[] = $o_775;
-  $o_776 = new AttrSpec();
-  $o_776->name = 'on-error-add-class';
-  $o_770->attrs[] = $o_776;
+  $o_773->name = 'type';
+  $o_773->value_casei = 'text/javascript';
+  $o_769->attrs[] = $o_773;
+  $o_769->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-access-laterpay/amp-access-laterpay.md';
+  $o_774 = new CdataSpec();
+  $o_775 = new BlackListedCDataRegex();
+  $o_775->regex = '.';
+  $o_775->error_message = 'contents';
+  $o_774->blacklisted_cdata_regex[] = $o_775;
+  $o_769->cdata = $o_774;
+  $o_769->also_requires_tag = ['amp-access extension .js script'];
+  $o_769->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_769;
+  $o_776 = new TagSpec();
+  $o_776->tag_name = 'script';
+  $o_776->spec_name = 'amp-access extension .js script';
+  $o_776->mandatory_parent = 'head';
   $o_777 = new AttrSpec();
-  $o_777->name = 'on-error-remove-class';
-  $o_770->attrs[] = $o_777;
+  $o_777->name = 'async';
+  $o_777->mandatory = true;
+  $o_777->value = '';
+  $o_776->attrs[] = $o_777;
   $o_778 = new AttrSpec();
-  $o_778->name = 'on-load-add-class';
-  $o_770->attrs[] = $o_778;
+  $o_778->name = 'custom-element';
+  $o_778->mandatory = true;
+  $o_778->value = 'amp-access';
+  $o_778->dispatch_key = true;
+  $o_776->attrs[] = $o_778;
   $o_779 = new AttrSpec();
-  $o_779->name = 'on-load-remove-class';
-  $o_770->attrs[] = $o_779;
-  $o_770->attr_lists = ['extended-amp-global'];
-  $o_770->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-font.html';
-  $o_780 = new AmpLayout();
-  $o_780->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_770->amp_layout = $o_780;
-  $o_770->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_770->also_requires_tag = ['amp-font extension .js script'];
-  $o_0->tags[] = $o_770;
-  $o_781 = new TagSpec();
-  $o_781->tag_name = 'script';
-  $o_781->spec_name = 'amp-iframe extension .js script';
-  $o_781->mandatory_parent = 'head';
-  $o_782 = new AttrSpec();
-  $o_782->name = 'async';
-  $o_782->mandatory = true;
-  $o_782->value = '';
-  $o_781->attrs[] = $o_782;
-  $o_783 = new AttrSpec();
-  $o_783->name = 'custom-element';
-  $o_783->mandatory = true;
-  $o_783->value = 'amp-iframe';
-  $o_783->dispatch_key = true;
-  $o_781->attrs[] = $o_783;
-  $o_784 = new AttrSpec();
-  $o_784->name = 'src';
-  $o_784->mandatory = true;
-  $o_784->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-iframe-(latest|0\\.1).js';
-  $o_781->attrs[] = $o_784;
+  $o_779->name = 'nonce';
+  $o_776->attrs[] = $o_779;
+  $o_780 = new AttrSpec();
+  $o_780->name = 'src';
+  $o_780->mandatory = true;
+  $o_780->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-access-(latest|0\\.1).js';
+  $o_776->attrs[] = $o_780;
+  $o_781 = new AttrSpec();
+  $o_781->name = 'type';
+  $o_781->value_casei = 'text/javascript';
+  $o_776->attrs[] = $o_781;
+  $o_776->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-access.html';
+  $o_782 = new CdataSpec();
+  $o_783 = new BlackListedCDataRegex();
+  $o_783->regex = '.';
+  $o_783->error_message = 'contents';
+  $o_782->blacklisted_cdata_regex[] = $o_783;
+  $o_776->cdata = $o_782;
+  $o_776->html_format = [TagSpecHtmlFormat::AMP];
+  $o_776->unique_warning = true;
+  $o_776->extension_unused_unless_tag_present = ['amp-access extension .json script'];
+  $o_0->tags[] = $o_776;
+  $o_784 = new TagSpec();
+  $o_784->tag_name = 'script';
+  $o_784->spec_name = 'amp-access extension .json script';
+  $o_784->unique = true;
+  $o_784->mandatory_parent = 'head';
   $o_785 = new AttrSpec();
-  $o_785->name = 'type';
-  $o_785->value = 'text/javascript';
-  $o_781->attrs[] = $o_785;
-  $o_781->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-iframe.html';
-  $o_786 = new CdataSpec();
-  $o_787 = new BlackListedCDataRegex();
-  $o_787->regex = '.';
-  $o_787->error_message = 'contents';
-  $o_786->blacklisted_cdata_regex[] = $o_787;
-  $o_781->cdata = $o_786;
-  $o_0->tags[] = $o_781;
-  $o_788 = new TagSpec();
-  $o_788->tag_name = 'amp-iframe';
-  $o_789 = new AttrSpec();
-  $o_789->name = 'allowfullscreen';
-  $o_789->value = '';
-  $o_788->attrs[] = $o_789;
-  $o_790 = new AttrSpec();
-  $o_790->name = 'allowtransparency';
-  $o_790->value = '';
-  $o_788->attrs[] = $o_790;
+  $o_785->name = 'id';
+  $o_785->mandatory = true;
+  $o_785->value = 'amp-access';
+  $o_785->dispatch_key = true;
+  $o_784->attrs[] = $o_785;
+  $o_786 = new AttrSpec();
+  $o_786->name = 'nonce';
+  $o_784->attrs[] = $o_786;
+  $o_787 = new AttrSpec();
+  $o_787->name = 'type';
+  $o_787->mandatory = true;
+  $o_787->value_casei = 'application/json';
+  $o_784->attrs[] = $o_787;
+  $o_784->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-access-spec.html';
+  $o_788 = new CdataSpec();
+  $o_789 = new BlackListedCDataRegex();
+  $o_789->regex = '<!--';
+  $o_789->error_message = 'html comments';
+  $o_788->blacklisted_cdata_regex[] = $o_789;
+  $o_784->cdata = $o_788;
+  $o_784->also_requires_tag = ['amp-access extension .js script', 'amp-analytics extension .js script'];
+  $o_784->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_784;
+  $o_790 = new TagSpec();
+  $o_790->tag_name = 'script';
+  $o_790->spec_name = 'amp-accordion extension .js script';
+  $o_790->mandatory_parent = 'head';
   $o_791 = new AttrSpec();
-  $o_791->name = 'frameborder';
-  $o_791->value_regex = '0|1';
-  $o_788->attrs[] = $o_791;
+  $o_791->name = 'async';
+  $o_791->mandatory = true;
+  $o_791->value = '';
+  $o_790->attrs[] = $o_791;
   $o_792 = new AttrSpec();
-  $o_792->name = 'resizable';
-  $o_792->value = '';
-  $o_788->attrs[] = $o_792;
+  $o_792->name = 'custom-element';
+  $o_792->mandatory = true;
+  $o_792->value = 'amp-accordion';
+  $o_792->dispatch_key = true;
+  $o_790->attrs[] = $o_792;
   $o_793 = new AttrSpec();
-  $o_793->name = 'sandbox';
-  $o_788->attrs[] = $o_793;
+  $o_793->name = 'nonce';
+  $o_790->attrs[] = $o_793;
   $o_794 = new AttrSpec();
-  $o_794->name = 'scrolling';
-  $o_794->value_regex = 'auto|yes|no';
-  $o_788->attrs[] = $o_794;
+  $o_794->name = 'src';
+  $o_794->mandatory = true;
+  $o_794->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-accordion-(latest|0\\.1).js';
+  $o_790->attrs[] = $o_794;
   $o_795 = new AttrSpec();
-  $o_795->name = 'src';
-  $o_795->mandatory_oneof = '[\'src\', \'srcdoc\']';
-  $o_796 = new UrlSpec();
-  $o_796->allowed_protocol = ['data', 'https'];
-  $o_796->allow_relative = true;
-  $o_795->value_url = $o_796;
-  $o_788->attrs[] = $o_795;
-  $o_797 = new AttrSpec();
-  $o_797->name = 'srcdoc';
-  $o_797->mandatory_oneof = '[\'src\', \'srcdoc\']';
-  $o_788->attrs[] = $o_797;
-  $o_788->attr_lists = ['extended-amp-global'];
-  $o_788->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-iframe.html';
-  $o_798 = new AmpLayout();
-  $o_798->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_788->amp_layout = $o_798;
-  $o_788->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_788->also_requires_tag = ['amp-iframe extension .js script'];
-  $o_0->tags[] = $o_788;
-  $o_799 = new TagSpec();
-  $o_799->tag_name = 'script';
-  $o_799->spec_name = 'amp-image-lightbox extension .js script';
-  $o_799->mandatory_parent = 'head';
-  $o_800 = new AttrSpec();
-  $o_800->name = 'async';
-  $o_800->mandatory = true;
-  $o_800->value = '';
-  $o_799->attrs[] = $o_800;
-  $o_801 = new AttrSpec();
-  $o_801->name = 'custom-element';
-  $o_801->mandatory = true;
-  $o_801->value = 'amp-image-lightbox';
-  $o_801->dispatch_key = true;
-  $o_799->attrs[] = $o_801;
-  $o_802 = new AttrSpec();
-  $o_802->name = 'src';
-  $o_802->mandatory = true;
-  $o_802->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-image-lightbox-(latest|0\\.1).js';
-  $o_799->attrs[] = $o_802;
+  $o_795->name = 'type';
+  $o_795->value_casei = 'text/javascript';
+  $o_790->attrs[] = $o_795;
+  $o_790->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-accordion.html';
+  $o_796 = new CdataSpec();
+  $o_797 = new BlackListedCDataRegex();
+  $o_797->regex = '.';
+  $o_797->error_message = 'contents';
+  $o_796->blacklisted_cdata_regex[] = $o_797;
+  $o_790->cdata = $o_796;
+  $o_790->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_790->unique_warning = true;
+  $o_790->extension_unused_unless_tag_present = ['amp-accordion'];
+  $o_0->tags[] = $o_790;
+  $o_798 = new TagSpec();
+  $o_798->tag_name = 'amp-accordion';
+  $o_799 = new AttrSpec();
+  $o_799->name = 'disable-session-states';
+  $o_799->value = '';
+  $o_798->attrs[] = $o_799;
+  $o_798->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-accordion.html';
+  $o_800 = new AmpLayout();
+  $o_800->supported_layouts = [AmpLayoutLayout::CONTAINER];
+  $o_798->amp_layout = $o_800;
+  $o_798->also_requires_tag = ['amp-accordion extension .js script'];
+  $o_801 = new ChildTagSpec();
+  $o_801->child_tag_name_oneof = ['SECTION'];
+  $o_798->child_tags = $o_801;
+  $o_798->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_798;
+  $o_802 = new TagSpec();
+  $o_802->tag_name = 'section';
+  $o_802->spec_name = 'amp-accordion > section';
+  $o_802->mandatory_parent = 'amp-accordion';
   $o_803 = new AttrSpec();
-  $o_803->name = 'type';
-  $o_803->value = 'text/javascript';
-  $o_799->attrs[] = $o_803;
-  $o_799->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-image-lightbox.html';
-  $o_804 = new CdataSpec();
-  $o_805 = new BlackListedCDataRegex();
-  $o_805->regex = '.';
-  $o_805->error_message = 'contents';
-  $o_804->blacklisted_cdata_regex[] = $o_805;
-  $o_799->cdata = $o_804;
-  $o_0->tags[] = $o_799;
-  $o_806 = new TagSpec();
-  $o_806->tag_name = 'amp-image-lightbox';
+  $o_803->name = 'expanded';
+  $o_803->value = '';
+  $o_802->attrs[] = $o_803;
+  $o_804 = new ChildTagSpec();
+  $o_804->mandatory_num_child_tags = 2;
+  $o_804->first_child_tag_name_oneof = ['H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'HEADER'];
+  $o_802->child_tags = $o_804;
+  $o_802->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_802;
+  $o_805 = new TagSpec();
+  $o_805->tag_name = 'script';
+  $o_805->spec_name = 'amp-ad extension .js script';
+  $o_805->mandatory_parent = 'head';
+  $o_806 = new AttrSpec();
+  $o_806->name = 'async';
+  $o_806->mandatory = true;
+  $o_806->value = '';
+  $o_805->attrs[] = $o_806;
   $o_807 = new AttrSpec();
-  $o_807->name = 'controls';
-  $o_806->attrs[] = $o_807;
-  $o_806->attr_lists = ['extended-amp-global'];
-  $o_806->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-image-lightbox.html';
-  $o_808 = new AmpLayout();
-  $o_808->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_806->amp_layout = $o_808;
-  $o_806->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_806->also_requires_tag = ['amp-image-lightbox extension .js script'];
-  $o_0->tags[] = $o_806;
-  $o_809 = new TagSpec();
-  $o_809->tag_name = 'script';
-  $o_809->spec_name = 'amp-instagram extension .js script';
-  $o_809->mandatory_parent = 'head';
+  $o_807->name = 'custom-element';
+  $o_807->mandatory = true;
+  $o_807->value = 'amp-ad';
+  $o_807->dispatch_key = true;
+  $o_805->attrs[] = $o_807;
+  $o_808 = new AttrSpec();
+  $o_808->name = 'nonce';
+  $o_805->attrs[] = $o_808;
+  $o_809 = new AttrSpec();
+  $o_809->name = 'src';
+  $o_809->mandatory = true;
+  $o_809->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-ad-(latest|0\\.1).js';
+  $o_805->attrs[] = $o_809;
   $o_810 = new AttrSpec();
-  $o_810->name = 'async';
-  $o_810->mandatory = true;
-  $o_810->value = '';
-  $o_809->attrs[] = $o_810;
-  $o_811 = new AttrSpec();
-  $o_811->name = 'custom-element';
-  $o_811->mandatory = true;
-  $o_811->value = 'amp-instagram';
-  $o_811->dispatch_key = true;
-  $o_809->attrs[] = $o_811;
-  $o_812 = new AttrSpec();
-  $o_812->name = 'src';
-  $o_812->mandatory = true;
-  $o_812->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-instagram-(latest|0\\.1).js';
-  $o_809->attrs[] = $o_812;
-  $o_813 = new AttrSpec();
-  $o_813->name = 'type';
-  $o_813->value = 'text/javascript';
-  $o_809->attrs[] = $o_813;
-  $o_809->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-instagram.html';
-  $o_814 = new CdataSpec();
-  $o_815 = new BlackListedCDataRegex();
-  $o_815->regex = '.';
-  $o_815->error_message = 'contents';
-  $o_814->blacklisted_cdata_regex[] = $o_815;
-  $o_809->cdata = $o_814;
-  $o_0->tags[] = $o_809;
-  $o_816 = new TagSpec();
-  $o_816->tag_name = 'amp-instagram';
-  $o_817 = new AttrSpec();
-  $o_817->name = 'alt';
-  $o_816->attrs[] = $o_817;
+  $o_810->name = 'type';
+  $o_810->value_casei = 'text/javascript';
+  $o_805->attrs[] = $o_810;
+  $o_805->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-ad.html';
+  $o_811 = new CdataSpec();
+  $o_812 = new BlackListedCDataRegex();
+  $o_812->regex = '.';
+  $o_812->error_message = 'contents';
+  $o_811->blacklisted_cdata_regex[] = $o_812;
+  $o_805->cdata = $o_811;
+  $o_805->html_format = [TagSpecHtmlFormat::AMP];
+  $o_805->unique_warning = true;
+  $o_0->tags[] = $o_805;
+  $o_813 = new TagSpec();
+  $o_813->tag_name = 'amp-ad';
+  $o_814 = new AttrSpec();
+  $o_814->name = 'alt';
+  $o_813->attrs[] = $o_814;
+  $o_815 = new AttrSpec();
+  $o_815->name = 'json';
+  $o_813->attrs[] = $o_815;
+  $o_816 = new AttrSpec();
+  $o_816->name = 'src';
+  $o_816->blacklisted_value_regex = '__amp_source_origin';
+  $o_817 = new UrlSpec();
+  $o_817->allowed_protocol = ['https'];
+  $o_817->allow_relative = true;
+  $o_816->value_url = $o_817;
+  $o_813->attrs[] = $o_816;
   $o_818 = new AttrSpec();
-  $o_818->name = 'data-shortcode';
-  $o_818->mandatory_oneof = '[\'data-shortcode\', \'src\']';
-  $o_816->attrs[] = $o_818;
-  $o_819 = new AttrSpec();
-  $o_819->name = 'shortcode';
-  $o_819->deprecation = 'data-shortcode';
-  $o_819->deprecation_url = 'https://www.ampproject.org/docs/reference/extended/amp-instagram.html';
-  $o_819->mandatory_oneof = '[\'data-shortcode\', \'src\']';
-  $o_816->attrs[] = $o_819;
-  $o_820 = new AttrSpec();
-  $o_820->name = 'src';
-  $o_820->mandatory_oneof = '[\'data-shortcode\', \'src\']';
-  $o_821 = new UrlSpec();
-  $o_821->allowed_protocol = ['http', 'https'];
-  $o_821->allow_relative = true;
-  $o_820->value_url = $o_821;
-  $o_816->attrs[] = $o_820;
-  $o_816->attr_lists = ['extended-amp-global'];
-  $o_816->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-instagram.html';
-  $o_822 = new AmpLayout();
-  $o_822->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_816->amp_layout = $o_822;
-  $o_816->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_816->also_requires_tag = ['amp-instagram extension .js script'];
-  $o_0->tags[] = $o_816;
-  $o_823 = new TagSpec();
-  $o_823->tag_name = 'script';
-  $o_823->spec_name = 'amp-install-serviceworker extension .js script';
-  $o_823->mandatory_parent = 'head';
-  $o_824 = new AttrSpec();
-  $o_824->name = 'async';
-  $o_824->mandatory = true;
-  $o_824->value = '';
-  $o_823->attrs[] = $o_824;
+  $o_818->name = 'type';
+  $o_818->mandatory = true;
+  $o_813->attrs[] = $o_818;
+  $o_813->attr_lists = ['extended-amp-global'];
+  $o_813->spec_url = 'https://www.ampproject.org/docs/reference/amp-ad.html';
+  $o_819 = new AmpLayout();
+  $o_819->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_813->amp_layout = $o_819;
+  $o_813->disallowed_ancestor = ['AMP-APP-BANNER', 'AMP-SIDEBAR'];
+  $o_813->html_format = [TagSpecHtmlFormat::AMP];
+  $o_813->also_requires_tag_warning = ['amp-ad extension .js script'];
+  $o_0->tags[] = $o_813;
+  $o_820 = new TagSpec();
+  $o_820->tag_name = 'amp-embed';
+  $o_821 = new AttrSpec();
+  $o_821->name = 'alt';
+  $o_820->attrs[] = $o_821;
+  $o_822 = new AttrSpec();
+  $o_822->name = 'json';
+  $o_820->attrs[] = $o_822;
+  $o_823 = new AttrSpec();
+  $o_823->name = 'src';
+  $o_823->blacklisted_value_regex = '__amp_source_origin';
+  $o_824 = new UrlSpec();
+  $o_824->allowed_protocol = ['https'];
+  $o_824->allow_relative = true;
+  $o_823->value_url = $o_824;
+  $o_820->attrs[] = $o_823;
   $o_825 = new AttrSpec();
-  $o_825->name = 'custom-element';
+  $o_825->name = 'type';
   $o_825->mandatory = true;
-  $o_825->value = 'amp-install-serviceworker';
-  $o_825->dispatch_key = true;
-  $o_823->attrs[] = $o_825;
-  $o_826 = new AttrSpec();
-  $o_826->name = 'src';
-  $o_826->mandatory = true;
-  $o_826->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-install-serviceworker-(latest|0\\.1).js';
-  $o_823->attrs[] = $o_826;
-  $o_827 = new AttrSpec();
-  $o_827->name = 'type';
-  $o_827->value = 'text/javascript';
-  $o_823->attrs[] = $o_827;
-  $o_823->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-install-serviceworker.html';
-  $o_828 = new CdataSpec();
-  $o_829 = new BlackListedCDataRegex();
-  $o_829->regex = '.';
-  $o_829->error_message = 'contents';
-  $o_828->blacklisted_cdata_regex[] = $o_829;
-  $o_823->cdata = $o_828;
-  $o_0->tags[] = $o_823;
-  $o_830 = new TagSpec();
-  $o_830->tag_name = 'amp-install-serviceworker';
+  $o_820->attrs[] = $o_825;
+  $o_820->attr_lists = ['extended-amp-global'];
+  $o_820->spec_url = 'https://www.ampproject.org/docs/reference/amp-embed.html';
+  $o_826 = new AmpLayout();
+  $o_826->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_820->amp_layout = $o_826;
+  $o_820->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_820->html_format = [TagSpecHtmlFormat::AMP];
+  $o_820->also_requires_tag_warning = ['amp-ad extension .js script'];
+  $o_0->tags[] = $o_820;
+  $o_827 = new TagSpec();
+  $o_827->tag_name = 'script';
+  $o_827->spec_name = 'amp-analytics extension .js script';
+  $o_827->mandatory_parent = 'head';
+  $o_828 = new AttrSpec();
+  $o_828->name = 'async';
+  $o_828->mandatory = true;
+  $o_828->value = '';
+  $o_827->attrs[] = $o_828;
+  $o_829 = new AttrSpec();
+  $o_829->name = 'custom-element';
+  $o_829->mandatory = true;
+  $o_829->value = 'amp-analytics';
+  $o_829->dispatch_key = true;
+  $o_827->attrs[] = $o_829;
+  $o_830 = new AttrSpec();
+  $o_830->name = 'nonce';
+  $o_827->attrs[] = $o_830;
   $o_831 = new AttrSpec();
   $o_831->name = 'src';
   $o_831->mandatory = true;
-  $o_832 = new UrlSpec();
-  $o_832->allowed_protocol = ['https'];
-  $o_832->allow_relative = true;
-  $o_831->value_url = $o_832;
-  $o_830->attrs[] = $o_831;
-  $o_830->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-install-serviceworker.html';
-  $o_833 = new AmpLayout();
-  $o_833->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_830->amp_layout = $o_833;
-  $o_830->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_830->also_requires_tag = ['amp-install-serviceworker extension .js script'];
-  $o_0->tags[] = $o_830;
-  $o_834 = new TagSpec();
-  $o_834->tag_name = 'script';
-  $o_834->spec_name = 'amp-jwplayer extension .js script';
-  $o_834->mandatory_parent = 'head';
-  $o_835 = new AttrSpec();
-  $o_835->name = 'async';
-  $o_835->mandatory = true;
-  $o_835->value = '';
-  $o_834->attrs[] = $o_835;
+  $o_831->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-analytics-(latest|0\\.1).js';
+  $o_827->attrs[] = $o_831;
+  $o_832 = new AttrSpec();
+  $o_832->name = 'type';
+  $o_832->value_casei = 'text/javascript';
+  $o_827->attrs[] = $o_832;
+  $o_827->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
+  $o_833 = new CdataSpec();
+  $o_834 = new BlackListedCDataRegex();
+  $o_834->regex = '.';
+  $o_834->error_message = 'contents';
+  $o_833->blacklisted_cdata_regex[] = $o_834;
+  $o_827->cdata = $o_833;
+  $o_827->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_827->unique_warning = true;
+  $o_0->tags[] = $o_827;
+  $o_835 = new TagSpec();
+  $o_835->tag_name = 'script';
+  $o_835->spec_name = 'amp-analytics extension .json script';
+  $o_835->mandatory_parent = 'amp-analytics';
   $o_836 = new AttrSpec();
-  $o_836->name = 'custom-element';
-  $o_836->mandatory = true;
-  $o_836->value = 'amp-jwplayer';
-  $o_836->dispatch_key = true;
-  $o_834->attrs[] = $o_836;
+  $o_836->name = 'nonce';
+  $o_835->attrs[] = $o_836;
   $o_837 = new AttrSpec();
-  $o_837->name = 'src';
+  $o_837->name = 'type';
   $o_837->mandatory = true;
-  $o_837->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-jwplayer-(latest|0\\.1).js';
-  $o_834->attrs[] = $o_837;
-  $o_838 = new AttrSpec();
-  $o_838->name = 'type';
-  $o_838->value = 'text/javascript';
-  $o_834->attrs[] = $o_838;
-  $o_834->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-jwplayer/amp-jwplayer.md';
-  $o_839 = new CdataSpec();
-  $o_840 = new BlackListedCDataRegex();
-  $o_840->regex = '.';
-  $o_840->error_message = 'contents';
-  $o_839->blacklisted_cdata_regex[] = $o_840;
-  $o_834->cdata = $o_839;
-  $o_0->tags[] = $o_834;
-  $o_841 = new TagSpec();
-  $o_841->tag_name = 'amp-jwplayer';
+  $o_837->dispatch_key = true;
+  $o_837->value_casei = 'application/json';
+  $o_835->attrs[] = $o_837;
+  $o_835->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
+  $o_838 = new CdataSpec();
+  $o_839 = new BlackListedCDataRegex();
+  $o_839->regex = '<!--';
+  $o_839->error_message = 'html comments';
+  $o_838->blacklisted_cdata_regex[] = $o_839;
+  $o_835->cdata = $o_838;
+  $o_835->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_835;
+  $o_840 = new TagSpec();
+  $o_840->tag_name = 'script';
+  $o_840->spec_name = 'amp-ad-metadata .json script';
+  $o_840->mandatory_parent = 'body';
+  $o_841 = new AttrSpec();
+  $o_841->name = 'amp-ad-metadata';
+  $o_841->mandatory = true;
+  $o_841->value = '';
+  $o_841->dispatch_key = true;
+  $o_840->attrs[] = $o_841;
   $o_842 = new AttrSpec();
-  $o_842->name = 'data-media-id';
-  $o_842->value_regex_casei = '[0-9a-z]{8}';
-  $o_842->mandatory_oneof = 'data-media-id or data-playlist-id';
-  $o_841->attrs[] = $o_842;
+  $o_842->name = 'nonce';
+  $o_840->attrs[] = $o_842;
   $o_843 = new AttrSpec();
-  $o_843->name = 'data-player-id';
+  $o_843->name = 'type';
   $o_843->mandatory = true;
-  $o_843->value_regex_casei = '[0-9a-z]{8}';
-  $o_841->attrs[] = $o_843;
-  $o_844 = new AttrSpec();
-  $o_844->name = 'data-playlist-id';
-  $o_844->value_regex_casei = '[0-9a-z]{8}';
-  $o_844->mandatory_oneof = 'data-media-id or data-playlist-id';
-  $o_841->attrs[] = $o_844;
-  $o_841->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-jwplayer/amp-jwplayer.md';
-  $o_845 = new AmpLayout();
-  $o_845->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_841->amp_layout = $o_845;
-  $o_841->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_841->also_requires_tag = ['amp-jwplayer extension .js script'];
-  $o_0->tags[] = $o_841;
+  $o_843->value_casei = 'application/json';
+  $o_840->attrs[] = $o_843;
+  $o_840->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
+  $o_844 = new CdataSpec();
+  $o_845 = new BlackListedCDataRegex();
+  $o_845->regex = '<!--';
+  $o_845->error_message = 'html comments';
+  $o_844->blacklisted_cdata_regex[] = $o_845;
+  $o_840->cdata = $o_844;
+  $o_840->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_840;
   $o_846 = new TagSpec();
-  $o_846->tag_name = 'script';
-  $o_846->spec_name = 'amp-kaltura-player extension .js script';
-  $o_846->mandatory_parent = 'head';
+  $o_846->tag_name = 'amp-analytics';
   $o_847 = new AttrSpec();
-  $o_847->name = 'async';
-  $o_847->mandatory = true;
-  $o_847->value = '';
+  $o_847->name = 'type';
   $o_846->attrs[] = $o_847;
   $o_848 = new AttrSpec();
-  $o_848->name = 'custom-element';
-  $o_848->mandatory = true;
-  $o_848->value = 'amp-kaltura-player';
-  $o_848->dispatch_key = true;
+  $o_848->name = 'config';
+  $o_848->blacklisted_value_regex = '__amp_source_origin';
+  $o_849 = new UrlSpec();
+  $o_849->allowed_protocol = ['https'];
+  $o_849->allow_relative = true;
+  $o_848->value_url = $o_849;
   $o_846->attrs[] = $o_848;
-  $o_849 = new AttrSpec();
-  $o_849->name = 'src';
-  $o_849->mandatory = true;
-  $o_849->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-kaltura-player-(latest|0\\.1)\\.js';
-  $o_846->attrs[] = $o_849;
-  $o_850 = new AttrSpec();
-  $o_850->name = 'type';
-  $o_850->value = 'text/javascript';
-  $o_846->attrs[] = $o_850;
-  $o_846->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-kaltura-player.html';
-  $o_851 = new CdataSpec();
-  $o_852 = new BlackListedCDataRegex();
-  $o_852->regex = '.';
-  $o_852->error_message = 'contents';
-  $o_851->blacklisted_cdata_regex[] = $o_852;
-  $o_846->cdata = $o_851;
+  $o_846->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-analytics.html';
+  $o_846->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_846->also_requires_tag = ['amp-analytics extension .js script'];
+  $o_846->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
   $o_0->tags[] = $o_846;
-  $o_853 = new TagSpec();
-  $o_853->tag_name = 'amp-kaltura-player';
+  $o_850 = new TagSpec();
+  $o_850->tag_name = 'script';
+  $o_850->spec_name = 'amp-anim extension .js script';
+  $o_850->mandatory_parent = 'head';
+  $o_851 = new AttrSpec();
+  $o_851->name = 'async';
+  $o_851->mandatory = true;
+  $o_851->value = '';
+  $o_850->attrs[] = $o_851;
+  $o_852 = new AttrSpec();
+  $o_852->name = 'custom-element';
+  $o_852->mandatory = true;
+  $o_852->value = 'amp-anim';
+  $o_852->dispatch_key = true;
+  $o_850->attrs[] = $o_852;
+  $o_853 = new AttrSpec();
+  $o_853->name = 'nonce';
+  $o_850->attrs[] = $o_853;
   $o_854 = new AttrSpec();
-  $o_854->name = 'data-partner';
+  $o_854->name = 'src';
   $o_854->mandatory = true;
-  $o_853->attrs[] = $o_854;
-  $o_853->attr_lists = ['extended-amp-global'];
-  $o_853->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-kaltura-player.html';
-  $o_855 = new AmpLayout();
-  $o_855->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_853->amp_layout = $o_855;
-  $o_853->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_853->also_requires_tag = ['amp-kaltura-player extension .js script'];
-  $o_0->tags[] = $o_853;
-  $o_856 = new TagSpec();
-  $o_856->tag_name = 'script';
-  $o_856->spec_name = 'amp-lightbox extension .js script';
-  $o_856->mandatory_parent = 'head';
-  $o_857 = new AttrSpec();
-  $o_857->name = 'async';
-  $o_857->mandatory = true;
-  $o_857->value = '';
-  $o_856->attrs[] = $o_857;
-  $o_858 = new AttrSpec();
-  $o_858->name = 'custom-element';
-  $o_858->mandatory = true;
-  $o_858->value = 'amp-lightbox';
-  $o_858->dispatch_key = true;
-  $o_856->attrs[] = $o_858;
+  $o_854->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-anim-(latest|0\\.1).js';
+  $o_850->attrs[] = $o_854;
+  $o_855 = new AttrSpec();
+  $o_855->name = 'type';
+  $o_855->value_casei = 'text/javascript';
+  $o_850->attrs[] = $o_855;
+  $o_850->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-anim.html';
+  $o_856 = new CdataSpec();
+  $o_857 = new BlackListedCDataRegex();
+  $o_857->regex = '.';
+  $o_857->error_message = 'contents';
+  $o_856->blacklisted_cdata_regex[] = $o_857;
+  $o_850->cdata = $o_856;
+  $o_850->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_850->unique_warning = true;
+  $o_850->extension_unused_unless_tag_present = ['amp-anim'];
+  $o_0->tags[] = $o_850;
+  $o_858 = new TagSpec();
+  $o_858->tag_name = 'amp-anim';
   $o_859 = new AttrSpec();
-  $o_859->name = 'src';
-  $o_859->mandatory = true;
-  $o_859->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-lightbox-(latest|0\\.1).js';
-  $o_856->attrs[] = $o_859;
+  $o_859->name = 'alt';
+  $o_858->attrs[] = $o_859;
   $o_860 = new AttrSpec();
-  $o_860->name = 'type';
-  $o_860->value = 'text/javascript';
-  $o_856->attrs[] = $o_860;
-  $o_856->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-lightbox.html';
-  $o_861 = new CdataSpec();
-  $o_862 = new BlackListedCDataRegex();
-  $o_862->regex = '.';
-  $o_862->error_message = 'contents';
-  $o_861->blacklisted_cdata_regex[] = $o_862;
-  $o_856->cdata = $o_861;
-  $o_0->tags[] = $o_856;
-  $o_863 = new TagSpec();
-  $o_863->tag_name = 'amp-lightbox';
-  $o_864 = new AttrSpec();
-  $o_864->name = 'controls';
-  $o_863->attrs[] = $o_864;
+  $o_860->name = 'attribution';
+  $o_858->attrs[] = $o_860;
+  $o_861 = new AttrSpec();
+  $o_861->name = 'autoplay';
+  $o_861->value = '';
+  $o_858->attrs[] = $o_861;
+  $o_862 = new AttrSpec();
+  $o_862->name = 'controls';
+  $o_858->attrs[] = $o_862;
+  $o_858->attr_lists = ['extended-amp-global', 'mandatory-src-or-srcset'];
+  $o_858->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-anim.html';
+  $o_863 = new AmpLayout();
+  $o_863->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_858->amp_layout = $o_863;
+  $o_858->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_858->also_requires_tag = ['amp-anim extension .js script'];
+  $o_858->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_858;
+  $o_864 = new TagSpec();
+  $o_864->tag_name = 'script';
+  $o_864->spec_name = 'amp-apester-media extension .js script';
+  $o_864->mandatory_parent = 'head';
   $o_865 = new AttrSpec();
-  $o_865->name = 'from';
-  $o_863->attrs[] = $o_865;
-  $o_863->attr_lists = ['extended-amp-global'];
-  $o_863->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-lightbox.html';
-  $o_866 = new AmpLayout();
-  $o_866->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_863->amp_layout = $o_866;
-  $o_863->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_863->also_requires_tag = ['amp-lightbox extension .js script'];
-  $o_0->tags[] = $o_863;
-  $o_867 = new TagSpec();
-  $o_867->tag_name = 'script';
-  $o_867->spec_name = 'amp-list extension .js script';
-  $o_867->mandatory_parent = 'head';
+  $o_865->name = 'async';
+  $o_865->mandatory = true;
+  $o_865->value = '';
+  $o_864->attrs[] = $o_865;
+  $o_866 = new AttrSpec();
+  $o_866->name = 'custom-element';
+  $o_866->mandatory = true;
+  $o_866->value = 'amp-apester-media';
+  $o_866->dispatch_key = true;
+  $o_864->attrs[] = $o_866;
+  $o_867 = new AttrSpec();
+  $o_867->name = 'nonce';
+  $o_864->attrs[] = $o_867;
   $o_868 = new AttrSpec();
-  $o_868->name = 'async';
+  $o_868->name = 'src';
   $o_868->mandatory = true;
-  $o_868->value = '';
-  $o_867->attrs[] = $o_868;
+  $o_868->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-apester-media-(latest|0\\.1)\\.js';
+  $o_864->attrs[] = $o_868;
   $o_869 = new AttrSpec();
-  $o_869->name = 'custom-element';
-  $o_869->mandatory = true;
-  $o_869->value = 'amp-list';
-  $o_869->dispatch_key = true;
-  $o_867->attrs[] = $o_869;
-  $o_870 = new AttrSpec();
-  $o_870->name = 'src';
-  $o_870->mandatory = true;
-  $o_870->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-list-(latest|0\\.1).js';
-  $o_867->attrs[] = $o_870;
-  $o_871 = new AttrSpec();
-  $o_871->name = 'type';
-  $o_871->value = 'text/javascript';
-  $o_867->attrs[] = $o_871;
-  $o_867->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-list.html';
-  $o_872 = new CdataSpec();
-  $o_873 = new BlackListedCDataRegex();
-  $o_873->regex = '.';
-  $o_873->error_message = 'contents';
-  $o_872->blacklisted_cdata_regex[] = $o_873;
-  $o_867->cdata = $o_872;
-  $o_0->tags[] = $o_867;
-  $o_874 = new TagSpec();
-  $o_874->tag_name = 'amp-list';
-  $o_875 = new AttrSpec();
-  $o_875->name = 'credentials';
-  $o_874->attrs[] = $o_875;
-  $o_876 = new AttrSpec();
-  $o_876->name = 'src';
-  $o_876->mandatory = true;
-  $o_877 = new UrlSpec();
-  $o_877->allowed_protocol = ['https'];
-  $o_877->allow_relative = true;
-  $o_876->value_url = $o_877;
-  $o_874->attrs[] = $o_876;
+  $o_869->name = 'type';
+  $o_869->value_casei = 'text/javascript';
+  $o_864->attrs[] = $o_869;
+  $o_864->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-apester-media.html';
+  $o_870 = new CdataSpec();
+  $o_871 = new BlackListedCDataRegex();
+  $o_871->regex = '.';
+  $o_871->error_message = 'contents';
+  $o_870->blacklisted_cdata_regex[] = $o_871;
+  $o_864->cdata = $o_870;
+  $o_864->html_format = [TagSpecHtmlFormat::AMP];
+  $o_864->unique_warning = true;
+  $o_864->extension_unused_unless_tag_present = ['amp-apester-media'];
+  $o_0->tags[] = $o_864;
+  $o_872 = new TagSpec();
+  $o_872->tag_name = 'amp-apester-media';
+  $o_873 = new AttrSpec();
+  $o_873->name = 'data-apester-media-id';
+  $o_873->mandatory_oneof = '[\'data-apester-media-id\', \'data-apester-channel-token\']';
+  $o_873->value_regex = '[0-9a-zA-Z]+';
+  $o_872->attrs[] = $o_873;
+  $o_874 = new AttrSpec();
+  $o_874->name = 'data-apester-channel-token';
+  $o_874->mandatory_oneof = '[\'data-apester-media-id\', \'data-apester-channel-token\']';
+  $o_874->value_regex = '[0-9a-zA-Z]+';
+  $o_872->attrs[] = $o_874;
+  $o_872->attr_lists = ['extended-amp-global'];
+  $o_872->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-apester-media.html';
+  $o_875 = new AmpLayout();
+  $o_875->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_872->amp_layout = $o_875;
+  $o_872->also_requires_tag = ['amp-apester-media extension .js script'];
+  $o_872->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_872;
+  $o_876 = new TagSpec();
+  $o_876->tag_name = 'script';
+  $o_876->spec_name = 'amp-app-banner extension .js script';
+  $o_876->mandatory_parent = 'head';
+  $o_877 = new AttrSpec();
+  $o_877->name = 'async';
+  $o_877->mandatory = true;
+  $o_877->value = '';
+  $o_876->attrs[] = $o_877;
   $o_878 = new AttrSpec();
-  $o_878->name = 'template';
-  $o_874->attrs[] = $o_878;
-  $o_874->attr_lists = ['extended-amp-global'];
-  $o_874->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-list.html';
-  $o_879 = new AmpLayout();
-  $o_879->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_874->amp_layout = $o_879;
-  $o_874->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_874->also_requires_tag = ['amp-list extension .js script'];
-  $o_0->tags[] = $o_874;
-  $o_880 = new TagSpec();
-  $o_880->tag_name = 'script';
-  $o_880->spec_name = 'amp-mustache extension .js script';
-  $o_880->mandatory_parent = 'head';
+  $o_878->name = 'custom-element';
+  $o_878->mandatory = true;
+  $o_878->value = 'amp-app-banner';
+  $o_878->dispatch_key = true;
+  $o_876->attrs[] = $o_878;
+  $o_879 = new AttrSpec();
+  $o_879->name = 'nonce';
+  $o_876->attrs[] = $o_879;
+  $o_880 = new AttrSpec();
+  $o_880->name = 'src';
+  $o_880->mandatory = true;
+  $o_880->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-app-banner-(latest|0\\.1)\\.js';
+  $o_876->attrs[] = $o_880;
   $o_881 = new AttrSpec();
-  $o_881->name = 'async';
-  $o_881->mandatory = true;
-  $o_881->value = '';
-  $o_880->attrs[] = $o_881;
-  $o_882 = new AttrSpec();
-  $o_882->name = 'custom-template';
-  $o_882->mandatory = true;
-  $o_882->value = 'amp-mustache';
-  $o_882->dispatch_key = true;
-  $o_880->attrs[] = $o_882;
-  $o_883 = new AttrSpec();
-  $o_883->name = 'src';
-  $o_883->mandatory = true;
-  $o_883->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-mustache-(latest|0\\.1).js';
-  $o_880->attrs[] = $o_883;
-  $o_884 = new AttrSpec();
-  $o_884->name = 'type';
-  $o_884->value = 'text/javascript';
-  $o_880->attrs[] = $o_884;
-  $o_880->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-mustache.html';
-  $o_885 = new CdataSpec();
-  $o_886 = new BlackListedCDataRegex();
-  $o_886->regex = '.';
-  $o_886->error_message = 'contents';
-  $o_885->blacklisted_cdata_regex[] = $o_886;
-  $o_880->cdata = $o_885;
-  $o_0->tags[] = $o_880;
+  $o_881->name = 'type';
+  $o_881->value_casei = 'text/javascript';
+  $o_876->attrs[] = $o_881;
+  $o_876->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-app-banner.html';
+  $o_882 = new CdataSpec();
+  $o_883 = new BlackListedCDataRegex();
+  $o_883->regex = '.';
+  $o_883->error_message = 'contents';
+  $o_882->blacklisted_cdata_regex[] = $o_883;
+  $o_876->cdata = $o_882;
+  $o_876->also_requires_tag = ['amp-app-banner'];
+  $o_876->html_format = [TagSpecHtmlFormat::AMP];
+  $o_876->unique_warning = true;
+  $o_0->tags[] = $o_876;
+  $o_884 = new TagSpec();
+  $o_884->tag_name = 'amp-app-banner';
+  $o_884->spec_name = 'amp-app-banner';
+  $o_884->unique = true;
+  $o_884->mandatory_parent = 'body';
+  $o_885 = new AttrSpec();
+  $o_885->name = 'id';
+  $o_885->mandatory = true;
+  $o_884->attrs[] = $o_885;
+  $o_884->attr_lists = ['extended-amp-global'];
+  $o_884->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-add-banner.html';
+  $o_886 = new AmpLayout();
+  $o_886->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_884->amp_layout = $o_886;
+  $o_884->also_requires_tag = ['amp-app-banner extension .js script', 'amp-app-banner button[open-button]'];
+  $o_884->html_format = [TagSpecHtmlFormat::AMP];
+  $o_884->requires = ['amp-app-banner data source'];
+  $o_0->tags[] = $o_884;
   $o_887 = new TagSpec();
-  $o_887->tag_name = 'template';
+  $o_887->tag_name = 'script';
+  $o_887->spec_name = 'amp-audio extension .js script';
+  $o_887->mandatory_parent = 'head';
   $o_888 = new AttrSpec();
-  $o_888->name = 'type';
+  $o_888->name = 'async';
   $o_888->mandatory = true;
-  $o_888->value = 'amp-mustache';
+  $o_888->value = '';
   $o_887->attrs[] = $o_888;
-  $o_887->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-mustache.html';
-  $o_887->disallowed_ancestor = ['template'];
-  $o_887->also_requires_tag = ['amp-mustache extension .js script'];
-  $o_0->tags[] = $o_887;
-  $o_889 = new TagSpec();
-  $o_889->tag_name = 'script';
-  $o_889->spec_name = 'amp-pinterest extension .js script';
-  $o_889->mandatory_parent = 'head';
+  $o_889 = new AttrSpec();
+  $o_889->name = 'custom-element';
+  $o_889->mandatory = true;
+  $o_889->value = 'amp-audio';
+  $o_889->dispatch_key = true;
+  $o_887->attrs[] = $o_889;
   $o_890 = new AttrSpec();
-  $o_890->name = 'async';
-  $o_890->mandatory = true;
-  $o_890->value = '';
-  $o_889->attrs[] = $o_890;
+  $o_890->name = 'nonce';
+  $o_887->attrs[] = $o_890;
   $o_891 = new AttrSpec();
-  $o_891->name = 'custom-element';
+  $o_891->name = 'src';
   $o_891->mandatory = true;
-  $o_891->value = 'amp-pinterest';
-  $o_891->dispatch_key = true;
-  $o_889->attrs[] = $o_891;
+  $o_891->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-audio-(latest|0\\.1).js';
+  $o_887->attrs[] = $o_891;
   $o_892 = new AttrSpec();
-  $o_892->name = 'src';
-  $o_892->mandatory = true;
-  $o_892->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-pinterest-(latest|0\\.1).js';
-  $o_889->attrs[] = $o_892;
-  $o_893 = new AttrSpec();
-  $o_893->name = 'type';
-  $o_893->value = 'text/javascript';
-  $o_889->attrs[] = $o_893;
-  $o_889->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-pinterest.html';
-  $o_894 = new CdataSpec();
-  $o_895 = new BlackListedCDataRegex();
-  $o_895->regex = '.';
-  $o_895->error_message = 'contents';
-  $o_894->blacklisted_cdata_regex[] = $o_895;
-  $o_889->cdata = $o_894;
-  $o_0->tags[] = $o_889;
-  $o_896 = new TagSpec();
-  $o_896->tag_name = 'amp-pinterest';
-  $o_897 = new AttrSpec();
-  $o_897->name = 'data-do';
-  $o_897->mandatory = true;
-  $o_896->attrs[] = $o_897;
-  $o_896->attr_lists = ['extended-amp-global'];
-  $o_896->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-pinterest.html';
-  $o_898 = new AmpLayout();
-  $o_898->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_896->amp_layout = $o_898;
-  $o_896->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_896->also_requires_tag = ['amp-pinterest extension .js script'];
-  $o_0->tags[] = $o_896;
-  $o_899 = new TagSpec();
-  $o_899->tag_name = 'script';
-  $o_899->spec_name = 'amp-reach-player extension .js script';
-  $o_899->mandatory_parent = 'head';
-  $o_900 = new AttrSpec();
-  $o_900->name = 'async';
-  $o_900->mandatory = true;
-  $o_900->value = '';
-  $o_899->attrs[] = $o_900;
+  $o_892->name = 'type';
+  $o_892->value_casei = 'text/javascript';
+  $o_887->attrs[] = $o_892;
+  $o_887->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_893 = new CdataSpec();
+  $o_894 = new BlackListedCDataRegex();
+  $o_894->regex = '.';
+  $o_894->error_message = 'contents';
+  $o_893->blacklisted_cdata_regex[] = $o_894;
+  $o_887->cdata = $o_893;
+  $o_887->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_887->unique_warning = true;
+  $o_0->tags[] = $o_887;
+  $o_895 = new TagSpec();
+  $o_895->tag_name = 'amp-audio';
+  $o_896 = new AttrSpec();
+  $o_896->name = 'autoplay';
+  $o_896->value_regex = '^$|desktop|tablet|mobile|autoplay';
+  $o_895->attrs[] = $o_896;
+  $o_895->attr_lists = ['amp-audio-common', 'extended-amp-global'];
+  $o_895->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_897 = new AmpLayout();
+  $o_897->supported_layouts = [AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::NODISPLAY];
+  $o_897->defines_default_width = true;
+  $o_897->defines_default_height = true;
+  $o_895->amp_layout = $o_897;
+  $o_895->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_895->also_requires_tag = ['amp-audio extension .js script'];
+  $o_895->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_895;
+  $o_898 = new TagSpec();
+  $o_898->tag_name = 'amp-audio';
+  $o_898->spec_name = 'amp-audio (A4A)';
+  $o_898->attr_lists = ['amp-audio-common', 'extended-amp-global'];
+  $o_898->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-audio.html';
+  $o_899 = new AmpLayout();
+  $o_899->supported_layouts = [AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::NODISPLAY];
+  $o_899->defines_default_width = true;
+  $o_899->defines_default_height = true;
+  $o_898->amp_layout = $o_899;
+  $o_898->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_898->also_requires_tag = ['amp-audio extension .js script'];
+  $o_898->html_format = [TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_898;
+  $o_900 = new TagSpec();
+  $o_900->tag_name = 'script';
+  $o_900->spec_name = 'amp-auto-ads extension .js script';
+  $o_900->unique = true;
+  $o_900->mandatory_parent = 'head';
   $o_901 = new AttrSpec();
-  $o_901->name = 'custom-element';
+  $o_901->name = 'async';
   $o_901->mandatory = true;
-  $o_901->value = 'amp-reach-player';
-  $o_901->dispatch_key = true;
-  $o_899->attrs[] = $o_901;
+  $o_901->value = '';
+  $o_900->attrs[] = $o_901;
   $o_902 = new AttrSpec();
-  $o_902->name = 'src';
+  $o_902->name = 'custom-element';
   $o_902->mandatory = true;
-  $o_902->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-reach-player-(latest|0\\.1).js';
-  $o_899->attrs[] = $o_902;
+  $o_902->value = 'amp-auto-ads';
+  $o_902->dispatch_key = true;
+  $o_900->attrs[] = $o_902;
   $o_903 = new AttrSpec();
-  $o_903->name = 'type';
-  $o_903->value = 'text/javascript';
-  $o_899->attrs[] = $o_903;
-  $o_904 = new CdataSpec();
-  $o_905 = new BlackListedCDataRegex();
-  $o_905->regex = '.';
-  $o_905->error_message = 'contents';
-  $o_904->blacklisted_cdata_regex[] = $o_905;
-  $o_899->cdata = $o_904;
-  $o_0->tags[] = $o_899;
-  $o_906 = new TagSpec();
-  $o_906->tag_name = 'amp-reach-player';
-  $o_907 = new AttrSpec();
-  $o_907->name = 'data-embed-id';
-  $o_907->mandatory = true;
-  $o_907->value_regex = '[0-9a-z-]+';
-  $o_906->attrs[] = $o_907;
-  $o_906->attr_lists = ['extended-amp-global'];
-  $o_908 = new AmpLayout();
-  $o_908->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
-  $o_906->amp_layout = $o_908;
-  $o_906->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_906->also_requires_tag = ['amp-reach-player extension .js script'];
-  $o_0->tags[] = $o_906;
-  $o_909 = new TagSpec();
-  $o_909->tag_name = 'script';
-  $o_909->spec_name = 'amp-sidebar extension .js script';
-  $o_909->mandatory_parent = 'head';
-  $o_910 = new AttrSpec();
-  $o_910->name = 'async';
-  $o_910->mandatory = true;
-  $o_910->value = '';
-  $o_909->attrs[] = $o_910;
+  $o_903->name = 'nonce';
+  $o_900->attrs[] = $o_903;
+  $o_904 = new AttrSpec();
+  $o_904->name = 'src';
+  $o_904->mandatory = true;
+  $o_904->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-auto-ads-(latest|0\\.1).js';
+  $o_900->attrs[] = $o_904;
+  $o_905 = new AttrSpec();
+  $o_905->name = 'type';
+  $o_905->value_casei = 'text/javascript';
+  $o_900->attrs[] = $o_905;
+  $o_900->spec_url = 'https://github.com/ampproject/amphtml/issues/6196';
+  $o_906 = new CdataSpec();
+  $o_907 = new BlackListedCDataRegex();
+  $o_907->regex = '.';
+  $o_907->error_message = 'contents';
+  $o_906->blacklisted_cdata_regex[] = $o_907;
+  $o_900->cdata = $o_906;
+  $o_900->also_requires_tag = ['amp-auto-ads'];
+  $o_900->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_900;
+  $o_908 = new TagSpec();
+  $o_908->tag_name = 'amp-auto-ads';
+  $o_909 = new AttrSpec();
+  $o_909->name = 'type';
+  $o_909->mandatory = true;
+  $o_908->attrs[] = $o_909;
+  $o_908->attr_lists = ['extended-amp-global'];
+  $o_908->spec_url = 'https://github.com/ampproject/amphtml/issues/6196';
+  $o_908->disallowed_ancestor = ['AMP-AUTO-ADS', 'AMP-SIDEBAR'];
+  $o_908->also_requires_tag = ['amp-auto-ads extension .js script'];
+  $o_908->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_908;
+  $o_910 = new TagSpec();
+  $o_910->tag_name = 'script';
+  $o_910->spec_name = 'amp-bind extension .js script';
+  $o_910->unique = true;
+  $o_910->mandatory_parent = 'head';
   $o_911 = new AttrSpec();
-  $o_911->name = 'custom-element';
+  $o_911->name = 'async';
   $o_911->mandatory = true;
-  $o_911->value = 'amp-sidebar';
-  $o_911->dispatch_key = true;
-  $o_909->attrs[] = $o_911;
+  $o_911->value = '';
+  $o_910->attrs[] = $o_911;
   $o_912 = new AttrSpec();
-  $o_912->name = 'src';
+  $o_912->name = 'custom-element';
   $o_912->mandatory = true;
-  $o_912->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-sidebar-(latest|0\\.1).js';
-  $o_909->attrs[] = $o_912;
+  $o_912->value = 'amp-bind';
+  $o_912->dispatch_key = true;
+  $o_910->attrs[] = $o_912;
   $o_913 = new AttrSpec();
-  $o_913->name = 'type';
-  $o_913->value = 'text/javascript';
-  $o_909->attrs[] = $o_913;
-  $o_909->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sidebar.html';
-  $o_914 = new CdataSpec();
-  $o_915 = new BlackListedCDataRegex();
-  $o_915->regex = '.';
-  $o_915->error_message = 'contents';
-  $o_914->blacklisted_cdata_regex[] = $o_915;
-  $o_909->cdata = $o_914;
-  $o_0->tags[] = $o_909;
-  $o_916 = new TagSpec();
-  $o_916->tag_name = 'amp-sidebar';
-  $o_916->unique = true;
-  $o_916->mandatory_parent = 'body';
-  $o_917 = new AttrSpec();
-  $o_917->name = 'side';
-  $o_917->value_regex = '(left|right)';
-  $o_916->attrs[] = $o_917;
-  $o_916->attr_lists = ['extended-amp-global'];
-  $o_916->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-sidebar/amp-sidebar.md';
-  $o_918 = new AmpLayout();
-  $o_918->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_916->amp_layout = $o_918;
-  $o_916->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_916->also_requires_tag = ['amp-sidebar extension .js script'];
-  $o_0->tags[] = $o_916;
-  $o_919 = new TagSpec();
-  $o_919->tag_name = 'script';
-  $o_919->spec_name = 'amp-slides extension .js script';
-  $o_919->mandatory_parent = 'head';
-  $o_920 = new AttrSpec();
-  $o_920->name = 'async';
-  $o_920->mandatory = true;
-  $o_920->value = '';
-  $o_919->attrs[] = $o_920;
+  $o_913->name = 'nonce';
+  $o_910->attrs[] = $o_913;
+  $o_914 = new AttrSpec();
+  $o_914->name = 'src';
+  $o_914->mandatory = true;
+  $o_914->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-bind-(latest|0\\.1).js';
+  $o_910->attrs[] = $o_914;
+  $o_915 = new AttrSpec();
+  $o_915->name = 'type';
+  $o_915->value_casei = 'text/javascript';
+  $o_910->attrs[] = $o_915;
+  $o_910->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-bind.html';
+  $o_916 = new CdataSpec();
+  $o_917 = new BlackListedCDataRegex();
+  $o_917->regex = '.';
+  $o_917->error_message = 'contents';
+  $o_916->blacklisted_cdata_regex[] = $o_917;
+  $o_910->cdata = $o_916;
+  $o_910->also_requires_tag = ['amp-state'];
+  $o_910->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_910;
+  $o_918 = new TagSpec();
+  $o_918->tag_name = 'amp-state';
+  $o_919 = new AttrSpec();
+  $o_919->name = 'id';
+  $o_919->mandatory = true;
+  $o_918->attrs[] = $o_919;
+  $o_918->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-bind.html';
+  $o_918->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_918->also_requires_tag = ['amp-bind extension .js script'];
+  $o_918->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_918;
+  $o_920 = new TagSpec();
+  $o_920->tag_name = 'script';
+  $o_920->spec_name = 'amp-bind extension .json script';
+  $o_920->mandatory_parent = 'amp-state';
   $o_921 = new AttrSpec();
-  $o_921->name = 'custom-element';
-  $o_921->mandatory = true;
-  $o_921->value = 'amp-slides';
-  $o_921->dispatch_key = true;
-  $o_919->attrs[] = $o_921;
+  $o_921->name = 'nonce';
+  $o_920->attrs[] = $o_921;
   $o_922 = new AttrSpec();
-  $o_922->name = 'src';
+  $o_922->name = 'type';
   $o_922->mandatory = true;
-  $o_922->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-slides-(latest|0\\.1).js';
-  $o_919->attrs[] = $o_922;
-  $o_923 = new AttrSpec();
-  $o_923->name = 'type';
-  $o_923->value = 'text/javascript';
-  $o_919->attrs[] = $o_923;
-  $o_919->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-slides.html';
-  $o_924 = new CdataSpec();
-  $o_925 = new BlackListedCDataRegex();
-  $o_925->regex = '.';
-  $o_925->error_message = 'contents';
-  $o_924->blacklisted_cdata_regex[] = $o_925;
-  $o_919->cdata = $o_924;
-  $o_0->tags[] = $o_919;
-  $o_926 = new TagSpec();
-  $o_926->tag_name = 'script';
-  $o_926->spec_name = 'amp-social-share extension .js script';
-  $o_926->mandatory_parent = 'head';
+  $o_922->dispatch_key = true;
+  $o_922->value_casei = 'application/json';
+  $o_920->attrs[] = $o_922;
+  $o_920->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-bind.html';
+  $o_923 = new CdataSpec();
+  $o_924 = new BlackListedCDataRegex();
+  $o_924->regex = '<!--';
+  $o_924->error_message = 'html comments';
+  $o_923->blacklisted_cdata_regex[] = $o_924;
+  $o_920->cdata = $o_923;
+  $o_920->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_920;
+  $o_925 = new TagSpec();
+  $o_925->tag_name = 'script';
+  $o_925->spec_name = 'amp-brid-player extension .js script';
+  $o_925->mandatory_parent = 'head';
+  $o_926 = new AttrSpec();
+  $o_926->name = 'async';
+  $o_926->mandatory = true;
+  $o_926->value = '';
+  $o_925->attrs[] = $o_926;
   $o_927 = new AttrSpec();
-  $o_927->name = 'async';
+  $o_927->name = 'custom-element';
   $o_927->mandatory = true;
-  $o_927->value = '';
-  $o_926->attrs[] = $o_927;
+  $o_927->value = 'amp-brid-player';
+  $o_927->dispatch_key = true;
+  $o_925->attrs[] = $o_927;
   $o_928 = new AttrSpec();
-  $o_928->name = 'custom-element';
-  $o_928->mandatory = true;
-  $o_928->value = 'amp-social-share';
-  $o_928->dispatch_key = true;
-  $o_926->attrs[] = $o_928;
+  $o_928->name = 'nonce';
+  $o_925->attrs[] = $o_928;
   $o_929 = new AttrSpec();
   $o_929->name = 'src';
   $o_929->mandatory = true;
-  $o_929->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-social-share-(latest|0\\.1)\\.js';
-  $o_926->attrs[] = $o_929;
+  $o_929->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-brid-player-(latest|0\\.1).js';
+  $o_925->attrs[] = $o_929;
   $o_930 = new AttrSpec();
   $o_930->name = 'type';
-  $o_930->value = 'text/javascript';
-  $o_926->attrs[] = $o_930;
-  $o_926->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-social-share.html';
+  $o_930->value_casei = 'text/javascript';
+  $o_925->attrs[] = $o_930;
+  $o_925->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brid-player.html';
   $o_931 = new CdataSpec();
   $o_932 = new BlackListedCDataRegex();
   $o_932->regex = '.';
   $o_932->error_message = 'contents';
   $o_931->blacklisted_cdata_regex[] = $o_932;
-  $o_926->cdata = $o_931;
-  $o_0->tags[] = $o_926;
+  $o_925->cdata = $o_931;
+  $o_925->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_925->unique_warning = true;
+  $o_925->extension_unused_unless_tag_present = ['amp-brid-player'];
+  $o_0->tags[] = $o_925;
   $o_933 = new TagSpec();
-  $o_933->tag_name = 'amp-social-share';
+  $o_933->tag_name = 'amp-brid-player';
   $o_934 = new AttrSpec();
-  $o_934->name = 'type';
+  $o_934->name = 'data-partner';
   $o_934->mandatory = true;
+  $o_934->value_regex = '[0-9]+';
   $o_933->attrs[] = $o_934;
   $o_935 = new AttrSpec();
-  $o_935->name = 'data-share-endpoint';
-  $o_936 = new UrlSpec();
-  $o_936->allowed_protocol = ['ftp', 'http', 'https', 'mailto', 'fb-messenger', 'snapchat', 'sms', 'tel', 'viber', 'whatsapp'];
-  $o_936->allow_relative = false;
-  $o_935->value_url = $o_936;
+  $o_935->name = 'data-player';
+  $o_935->mandatory = true;
+  $o_935->value_regex = '[0-9]+';
   $o_933->attrs[] = $o_935;
+  $o_936 = new AttrSpec();
+  $o_936->name = 'data-playlist';
+  $o_936->mandatory_oneof = '[\'data-playlist\', \'data-video\']';
+  $o_936->value_regex = '[0-9]+';
+  $o_933->attrs[] = $o_936;
+  $o_937 = new AttrSpec();
+  $o_937->name = 'data-video';
+  $o_937->mandatory_oneof = '[\'data-playlist\', \'data-video\']';
+  $o_937->value_regex = '[0-9]+';
+  $o_933->attrs[] = $o_937;
   $o_933->attr_lists = ['extended-amp-global'];
-  $o_933->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-social-share.html';
-  $o_937 = new AmpLayout();
-  $o_937->supported_layouts = [AmpLayoutLayout::CONTAINER, AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_933->amp_layout = $o_937;
-  $o_933->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_933->also_requires_tag = ['amp-social-share extension .js script'];
+  $o_933->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brid-player.html';
+  $o_938 = new AmpLayout();
+  $o_938->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_933->amp_layout = $o_938;
+  $o_933->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_933->also_requires_tag = ['amp-brid-player extension .js script'];
+  $o_933->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
   $o_0->tags[] = $o_933;
-  $o_938 = new TagSpec();
-  $o_938->tag_name = 'script';
-  $o_938->spec_name = 'amp-soundcloud extension .js script';
-  $o_938->mandatory_parent = 'head';
-  $o_939 = new AttrSpec();
-  $o_939->name = 'async';
-  $o_939->mandatory = true;
-  $o_939->value = '';
-  $o_938->attrs[] = $o_939;
+  $o_939 = new TagSpec();
+  $o_939->tag_name = 'script';
+  $o_939->spec_name = 'amp-brightcove extension .js script';
+  $o_939->mandatory_parent = 'head';
   $o_940 = new AttrSpec();
-  $o_940->name = 'custom-element';
+  $o_940->name = 'async';
   $o_940->mandatory = true;
-  $o_940->value = 'amp-soundcloud';
-  $o_940->dispatch_key = true;
-  $o_938->attrs[] = $o_940;
+  $o_940->value = '';
+  $o_939->attrs[] = $o_940;
   $o_941 = new AttrSpec();
-  $o_941->name = 'src';
+  $o_941->name = 'custom-element';
   $o_941->mandatory = true;
-  $o_941->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-soundcloud-(latest|0\\.1)\\.js';
-  $o_938->attrs[] = $o_941;
+  $o_941->value = 'amp-brightcove';
+  $o_941->dispatch_key = true;
+  $o_939->attrs[] = $o_941;
   $o_942 = new AttrSpec();
-  $o_942->name = 'type';
-  $o_942->value = 'text/javascript';
-  $o_938->attrs[] = $o_942;
-  $o_938->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-soundcloud.html';
-  $o_943 = new CdataSpec();
-  $o_944 = new BlackListedCDataRegex();
-  $o_944->regex = '.';
-  $o_944->error_message = 'contents';
-  $o_943->blacklisted_cdata_regex[] = $o_944;
-  $o_938->cdata = $o_943;
-  $o_0->tags[] = $o_938;
-  $o_945 = new TagSpec();
-  $o_945->tag_name = 'amp-soundcloud';
-  $o_946 = new AttrSpec();
-  $o_946->name = 'data-color';
-  $o_946->value_regex_casei = '([0-9a-f]{3}){1,2}';
-  $o_945->attrs[] = $o_946;
-  $o_947 = new AttrSpec();
-  $o_947->name = 'data-trackid';
-  $o_947->mandatory = true;
-  $o_947->value_regex = '[0-9]+';
-  $o_945->attrs[] = $o_947;
+  $o_942->name = 'nonce';
+  $o_939->attrs[] = $o_942;
+  $o_943 = new AttrSpec();
+  $o_943->name = 'src';
+  $o_943->mandatory = true;
+  $o_943->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-brightcove-(latest|0\\.1).js';
+  $o_939->attrs[] = $o_943;
+  $o_944 = new AttrSpec();
+  $o_944->name = 'type';
+  $o_944->value_casei = 'text/javascript';
+  $o_939->attrs[] = $o_944;
+  $o_939->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brightcove.html';
+  $o_945 = new CdataSpec();
+  $o_946 = new BlackListedCDataRegex();
+  $o_946->regex = '.';
+  $o_946->error_message = 'contents';
+  $o_945->blacklisted_cdata_regex[] = $o_946;
+  $o_939->cdata = $o_945;
+  $o_939->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_939->unique_warning = true;
+  $o_939->extension_unused_unless_tag_present = ['amp-brightcove'];
+  $o_0->tags[] = $o_939;
+  $o_947 = new TagSpec();
+  $o_947->tag_name = 'amp-brightcove';
   $o_948 = new AttrSpec();
-  $o_948->name = 'data-visual';
-  $o_948->value_regex = 'true|false';
-  $o_945->attrs[] = $o_948;
-  $o_945->attr_lists = ['extended-amp-global'];
-  $o_945->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-soundcloud.html';
-  $o_949 = new AmpLayout();
-  $o_949->supported_layouts = [AmpLayoutLayout::FIXED_HEIGHT];
-  $o_945->amp_layout = $o_949;
-  $o_945->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_945->also_requires_tag = ['amp-soundcloud extension .js script'];
-  $o_0->tags[] = $o_945;
-  $o_950 = new TagSpec();
-  $o_950->tag_name = 'script';
-  $o_950->spec_name = 'amp-springboard-player extension .js script';
-  $o_950->mandatory_parent = 'head';
+  $o_948->name = 'data-account';
+  $o_948->mandatory = true;
+  $o_947->attrs[] = $o_948;
+  $o_949 = new AttrSpec();
+  $o_949->name = 'data-embed';
+  $o_947->attrs[] = $o_949;
+  $o_950 = new AttrSpec();
+  $o_950->name = 'data-player';
+  $o_947->attrs[] = $o_950;
   $o_951 = new AttrSpec();
-  $o_951->name = 'async';
-  $o_951->mandatory = true;
-  $o_951->value = '';
-  $o_950->attrs[] = $o_951;
+  $o_951->name = 'data-playlist-id';
+  $o_947->attrs[] = $o_951;
   $o_952 = new AttrSpec();
-  $o_952->name = 'custom-element';
-  $o_952->mandatory = true;
-  $o_952->value = 'amp-springboard-player';
-  $o_952->dispatch_key = true;
-  $o_950->attrs[] = $o_952;
-  $o_953 = new AttrSpec();
-  $o_953->name = 'src';
-  $o_953->mandatory = true;
-  $o_953->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-springboard-player-(latest|0\\.1)\\.js';
-  $o_950->attrs[] = $o_953;
-  $o_954 = new AttrSpec();
-  $o_954->name = 'type';
-  $o_954->value = 'text/javascript';
-  $o_950->attrs[] = $o_954;
-  $o_950->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html';
-  $o_955 = new CdataSpec();
-  $o_956 = new BlackListedCDataRegex();
-  $o_956->regex = '.';
-  $o_956->error_message = 'contents';
-  $o_955->blacklisted_cdata_regex[] = $o_956;
-  $o_950->cdata = $o_955;
-  $o_0->tags[] = $o_950;
-  $o_957 = new TagSpec();
-  $o_957->tag_name = 'amp-springboard-player';
+  $o_952->name = 'data-video-id';
+  $o_947->attrs[] = $o_952;
+  $o_947->attr_lists = ['extended-amp-global'];
+  $o_947->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-brightcove.html';
+  $o_953 = new AmpLayout();
+  $o_953->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_947->amp_layout = $o_953;
+  $o_947->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_947->also_requires_tag = ['amp-brightcove extension .js script'];
+  $o_947->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_947;
+  $o_954 = new TagSpec();
+  $o_954->tag_name = 'script';
+  $o_954->spec_name = 'amp-carousel extension .js script';
+  $o_954->mandatory_parent = 'head';
+  $o_955 = new AttrSpec();
+  $o_955->name = 'async';
+  $o_955->mandatory = true;
+  $o_955->value = '';
+  $o_954->attrs[] = $o_955;
+  $o_956 = new AttrSpec();
+  $o_956->name = 'custom-element';
+  $o_956->mandatory = true;
+  $o_956->value = 'amp-carousel';
+  $o_956->dispatch_key = true;
+  $o_954->attrs[] = $o_956;
+  $o_957 = new AttrSpec();
+  $o_957->name = 'nonce';
+  $o_954->attrs[] = $o_957;
   $o_958 = new AttrSpec();
-  $o_958->name = 'data-content-id';
+  $o_958->name = 'src';
   $o_958->mandatory = true;
-  $o_957->attrs[] = $o_958;
+  $o_958->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-carousel-(latest|0\\.1).js';
+  $o_954->attrs[] = $o_958;
   $o_959 = new AttrSpec();
-  $o_959->name = 'data-domain';
-  $o_959->mandatory = true;
-  $o_957->attrs[] = $o_959;
-  $o_960 = new AttrSpec();
-  $o_960->name = 'data-items';
-  $o_960->mandatory = true;
-  $o_957->attrs[] = $o_960;
-  $o_961 = new AttrSpec();
-  $o_961->name = 'data-mode';
-  $o_961->mandatory = true;
-  $o_961->value_regex_casei = 'playlist|video';
-  $o_957->attrs[] = $o_961;
-  $o_962 = new AttrSpec();
-  $o_962->name = 'data-player-id';
-  $o_962->mandatory = true;
-  $o_962->value_regex_casei = '[a-z0-9]+';
-  $o_957->attrs[] = $o_962;
+  $o_959->name = 'type';
+  $o_959->value_casei = 'text/javascript';
+  $o_954->attrs[] = $o_959;
+  $o_954->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-carousel.html';
+  $o_960 = new CdataSpec();
+  $o_961 = new BlackListedCDataRegex();
+  $o_961->regex = '.';
+  $o_961->error_message = 'contents';
+  $o_960->blacklisted_cdata_regex[] = $o_961;
+  $o_954->cdata = $o_960;
+  $o_954->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_954->unique_warning = true;
+  $o_954->extension_unused_unless_tag_present = ['amp-carousel'];
+  $o_0->tags[] = $o_954;
+  $o_962 = new TagSpec();
+  $o_962->tag_name = 'amp-carousel';
   $o_963 = new AttrSpec();
-  $o_963->name = 'data-site-id';
-  $o_963->mandatory = true;
-  $o_963->value_regex = '[0-9]+';
-  $o_957->attrs[] = $o_963;
-  $o_957->attr_lists = ['extended-amp-global'];
-  $o_957->spec_url = 'https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html';
-  $o_964 = new AmpLayout();
-  $o_964->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
-  $o_957->amp_layout = $o_964;
-  $o_957->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_957->also_requires_tag = ['amp-springboard-player extension .js script'];
-  $o_0->tags[] = $o_957;
-  $o_965 = new TagSpec();
-  $o_965->tag_name = 'script';
-  $o_965->spec_name = 'amp-sticky-ad extension .js script';
-  $o_965->mandatory_parent = 'head';
+  $o_963->name = 'arrows';
+  $o_963->value = '';
+  $o_962->attrs[] = $o_963;
+  $o_964 = new AttrSpec();
+  $o_964->name = 'autoplay';
+  $o_964->value = '';
+  $o_962->attrs[] = $o_964;
+  $o_965 = new AttrSpec();
+  $o_965->name = 'controls';
+  $o_962->attrs[] = $o_965;
   $o_966 = new AttrSpec();
-  $o_966->name = 'async';
-  $o_966->mandatory = true;
-  $o_966->value = '';
-  $o_965->attrs[] = $o_966;
+  $o_966->name = 'delay';
+  $o_966->value_regex = '[0-9]+';
+  $o_962->attrs[] = $o_966;
   $o_967 = new AttrSpec();
-  $o_967->name = 'custom-element';
-  $o_967->mandatory = true;
-  $o_967->value = 'amp-sticky-ad';
-  $o_967->dispatch_key = true;
-  $o_965->attrs[] = $o_967;
+  $o_967->name = 'dots';
+  $o_967->value = '';
+  $o_962->attrs[] = $o_967;
   $o_968 = new AttrSpec();
-  $o_968->name = 'src';
-  $o_968->mandatory = true;
-  $o_968->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-sticky-ad-(latest|0\\.1)\\.js';
-  $o_965->attrs[] = $o_968;
+  $o_968->name = 'loop';
+  $o_968->value = '';
+  $o_962->attrs[] = $o_968;
   $o_969 = new AttrSpec();
   $o_969->name = 'type';
-  $o_969->value = 'text/javascript';
-  $o_965->attrs[] = $o_969;
-  $o_965->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sticky-ad.html';
-  $o_970 = new CdataSpec();
-  $o_971 = new BlackListedCDataRegex();
-  $o_971->regex = '.';
-  $o_971->error_message = 'contents';
-  $o_970->blacklisted_cdata_regex[] = $o_971;
-  $o_965->cdata = $o_970;
-  $o_0->tags[] = $o_965;
-  $o_972 = new TagSpec();
-  $o_972->tag_name = 'amp-sticky-ad';
-  $o_972->unique = true;
-  $o_972->attr_lists = ['extended-amp-global'];
-  $o_972->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sticky-ad.html';
-  $o_973 = new AmpLayout();
-  $o_973->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_972->amp_layout = $o_973;
-  $o_972->disallowed_ancestor = ['amp-sidebar'];
-  $o_972->also_requires_tag = ['amp-sticky-ad extension .js script'];
-  $o_974 = new ChildTagSpec();
-  $o_974->mandatory_num_child_tags = 1;
-  $o_974->first_child_tag_name_oneof = ['amp-ad'];
-  $o_972->child_tags = $o_974;
-  $o_0->tags[] = $o_972;
-  $o_975 = new TagSpec();
-  $o_975->tag_name = 'script';
-  $o_975->spec_name = 'amp-twitter extension .js script';
-  $o_975->mandatory_parent = 'head';
+  $o_969->value_regex = 'slides|carousel';
+  $o_962->attrs[] = $o_969;
+  $o_962->attr_lists = ['extended-amp-global'];
+  $o_962->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-carousel.html';
+  $o_970 = new AmpLayout();
+  $o_970->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_962->amp_layout = $o_970;
+  $o_962->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_962->also_requires_tag = ['amp-carousel extension .js script'];
+  $o_962->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_962;
+  $o_971 = new TagSpec();
+  $o_971->tag_name = 'script';
+  $o_971->spec_name = 'amp-dailymotion extension .js script';
+  $o_971->mandatory_parent = 'head';
+  $o_972 = new AttrSpec();
+  $o_972->name = 'async';
+  $o_972->mandatory = true;
+  $o_972->value = '';
+  $o_971->attrs[] = $o_972;
+  $o_973 = new AttrSpec();
+  $o_973->name = 'custom-element';
+  $o_973->mandatory = true;
+  $o_973->value = 'amp-dailymotion';
+  $o_973->dispatch_key = true;
+  $o_971->attrs[] = $o_973;
+  $o_974 = new AttrSpec();
+  $o_974->name = 'nonce';
+  $o_971->attrs[] = $o_974;
+  $o_975 = new AttrSpec();
+  $o_975->name = 'src';
+  $o_975->mandatory = true;
+  $o_975->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-dailymotion-(latest|0\\.1)\\.js';
+  $o_971->attrs[] = $o_975;
   $o_976 = new AttrSpec();
-  $o_976->name = 'async';
-  $o_976->mandatory = true;
-  $o_976->value = '';
-  $o_975->attrs[] = $o_976;
-  $o_977 = new AttrSpec();
-  $o_977->name = 'custom-element';
-  $o_977->mandatory = true;
-  $o_977->value = 'amp-twitter';
-  $o_977->dispatch_key = true;
-  $o_975->attrs[] = $o_977;
-  $o_978 = new AttrSpec();
-  $o_978->name = 'src';
-  $o_978->mandatory = true;
-  $o_978->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-twitter-(latest|0\\.1).js';
-  $o_975->attrs[] = $o_978;
-  $o_979 = new AttrSpec();
-  $o_979->name = 'type';
-  $o_979->value = 'text/javascript';
-  $o_975->attrs[] = $o_979;
-  $o_975->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-twitter.html';
-  $o_980 = new CdataSpec();
-  $o_981 = new BlackListedCDataRegex();
-  $o_981->regex = '.';
-  $o_981->error_message = 'contents';
-  $o_980->blacklisted_cdata_regex[] = $o_981;
-  $o_975->cdata = $o_980;
-  $o_0->tags[] = $o_975;
-  $o_982 = new TagSpec();
-  $o_982->tag_name = 'amp-twitter';
+  $o_976->name = 'type';
+  $o_976->value_casei = 'text/javascript';
+  $o_971->attrs[] = $o_976;
+  $o_971->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dailymotion.html';
+  $o_977 = new CdataSpec();
+  $o_978 = new BlackListedCDataRegex();
+  $o_978->regex = '.';
+  $o_978->error_message = 'contents';
+  $o_977->blacklisted_cdata_regex[] = $o_978;
+  $o_971->cdata = $o_977;
+  $o_971->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_971->unique_warning = true;
+  $o_971->extension_unused_unless_tag_present = ['amp-dailymotion'];
+  $o_0->tags[] = $o_971;
+  $o_979 = new TagSpec();
+  $o_979->tag_name = 'amp-dailymotion';
+  $o_980 = new AttrSpec();
+  $o_980->name = 'data-endscreen-enable';
+  $o_980->value_regex = 'true|false';
+  $o_979->attrs[] = $o_980;
+  $o_981 = new AttrSpec();
+  $o_981->name = 'data-info';
+  $o_981->value_regex = 'true|false';
+  $o_979->attrs[] = $o_981;
+  $o_982 = new AttrSpec();
+  $o_982->name = 'data-mute';
+  $o_982->value_regex = 'true|false';
+  $o_979->attrs[] = $o_982;
   $o_983 = new AttrSpec();
-  $o_983->name = 'data-tweetid';
-  $o_983->mandatory_oneof = '[\'data-tweetid\', \'src\']';
-  $o_982->attrs[] = $o_983;
+  $o_983->name = 'data-sharing-enable';
+  $o_983->value_regex = 'true|false';
+  $o_979->attrs[] = $o_983;
   $o_984 = new AttrSpec();
-  $o_984->name = 'src';
-  $o_984->mandatory_oneof = '[\'data-tweetid\', \'src\']';
-  $o_985 = new UrlSpec();
-  $o_985->allowed_protocol = ['http', 'https'];
-  $o_985->allow_relative = true;
-  $o_984->value_url = $o_985;
-  $o_982->attrs[] = $o_984;
-  $o_982->attr_lists = ['extended-amp-global'];
-  $o_982->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-twitter.html';
-  $o_986 = new AmpLayout();
-  $o_986->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_982->amp_layout = $o_986;
-  $o_982->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_982->also_requires_tag = ['amp-twitter extension .js script'];
-  $o_0->tags[] = $o_982;
-  $o_987 = new TagSpec();
-  $o_987->tag_name = 'script';
-  $o_987->spec_name = 'amp-user-notification extension .js script';
-  $o_987->mandatory_parent = 'head';
-  $o_988 = new AttrSpec();
-  $o_988->name = 'async';
-  $o_988->mandatory = true;
-  $o_988->value = '';
-  $o_987->attrs[] = $o_988;
-  $o_989 = new AttrSpec();
-  $o_989->name = 'custom-element';
-  $o_989->mandatory = true;
-  $o_989->value = 'amp-user-notification';
-  $o_989->dispatch_key = true;
-  $o_987->attrs[] = $o_989;
+  $o_984->name = 'data-start';
+  $o_984->value_regex = '[0-9]+';
+  $o_979->attrs[] = $o_984;
+  $o_985 = new AttrSpec();
+  $o_985->name = 'data-ui-highlight';
+  $o_985->value_regex_casei = '([0-9a-f]{3}){1,2}';
+  $o_979->attrs[] = $o_985;
+  $o_986 = new AttrSpec();
+  $o_986->name = 'data-ui-logo';
+  $o_986->value_regex = 'true|false';
+  $o_979->attrs[] = $o_986;
+  $o_987 = new AttrSpec();
+  $o_987->name = 'data-videoid';
+  $o_987->mandatory = true;
+  $o_987->value_regex_casei = '[a-z0-9]+';
+  $o_979->attrs[] = $o_987;
+  $o_979->attr_lists = ['extended-amp-global'];
+  $o_979->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dailymotion.html';
+  $o_988 = new AmpLayout();
+  $o_988->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_979->amp_layout = $o_988;
+  $o_979->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_979->also_requires_tag = ['amp-dailymotion extension .js script'];
+  $o_979->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_979;
+  $o_989 = new TagSpec();
+  $o_989->tag_name = 'script';
+  $o_989->spec_name = 'amp-dynamic-css-classes extension .js script';
+  $o_989->mandatory_parent = 'head';
   $o_990 = new AttrSpec();
-  $o_990->name = 'src';
+  $o_990->name = 'async';
   $o_990->mandatory = true;
-  $o_990->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-user-notification-(latest|0\\.1).js';
-  $o_987->attrs[] = $o_990;
+  $o_990->value = '';
+  $o_989->attrs[] = $o_990;
   $o_991 = new AttrSpec();
-  $o_991->name = 'type';
-  $o_991->value = 'text/javascript';
-  $o_987->attrs[] = $o_991;
-  $o_987->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-user-notification.html';
-  $o_992 = new CdataSpec();
-  $o_993 = new BlackListedCDataRegex();
-  $o_993->regex = '.';
-  $o_993->error_message = 'contents';
-  $o_992->blacklisted_cdata_regex[] = $o_993;
-  $o_987->cdata = $o_992;
-  $o_0->tags[] = $o_987;
-  $o_994 = new TagSpec();
-  $o_994->tag_name = 'amp-user-notification';
-  $o_994->attr_lists = ['extended-amp-global'];
-  $o_994->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-user-notification.html';
-  $o_995 = new AmpLayout();
-  $o_995->supported_layouts = [AmpLayoutLayout::NODISPLAY];
-  $o_994->amp_layout = $o_995;
-  $o_994->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_994->also_requires_tag = ['amp-analytics extension .js script', 'amp-user-notification extension .js script'];
-  $o_0->tags[] = $o_994;
-  $o_996 = new TagSpec();
-  $o_996->tag_name = 'script';
-  $o_996->spec_name = 'amp-vimeo extension .js script';
-  $o_996->mandatory_parent = 'head';
-  $o_997 = new AttrSpec();
-  $o_997->name = 'async';
-  $o_997->mandatory = true;
-  $o_997->value = '';
-  $o_996->attrs[] = $o_997;
+  $o_991->name = 'custom-element';
+  $o_991->mandatory = true;
+  $o_991->value = 'amp-dynamic-css-classes';
+  $o_991->dispatch_key = true;
+  $o_989->attrs[] = $o_991;
+  $o_992 = new AttrSpec();
+  $o_992->name = 'nonce';
+  $o_989->attrs[] = $o_992;
+  $o_993 = new AttrSpec();
+  $o_993->name = 'src';
+  $o_993->mandatory = true;
+  $o_993->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-dynamic-css-classes-(latest|0\\.1).js';
+  $o_989->attrs[] = $o_993;
+  $o_994 = new AttrSpec();
+  $o_994->name = 'type';
+  $o_994->value_casei = 'text/javascript';
+  $o_989->attrs[] = $o_994;
+  $o_989->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-dynamic-css-classes.html';
+  $o_995 = new CdataSpec();
+  $o_996 = new BlackListedCDataRegex();
+  $o_996->regex = '.';
+  $o_996->error_message = 'contents';
+  $o_995->blacklisted_cdata_regex[] = $o_996;
+  $o_989->cdata = $o_995;
+  $o_989->html_format = [TagSpecHtmlFormat::AMP];
+  $o_989->unique_warning = true;
+  $o_0->tags[] = $o_989;
+  $o_997 = new TagSpec();
+  $o_997->tag_name = 'script';
+  $o_997->spec_name = 'amp-experiment extension .js script';
+  $o_997->mandatory_parent = 'head';
   $o_998 = new AttrSpec();
-  $o_998->name = 'custom-element';
+  $o_998->name = 'async';
   $o_998->mandatory = true;
-  $o_998->value = 'amp-vimeo';
-  $o_998->dispatch_key = true;
-  $o_996->attrs[] = $o_998;
+  $o_998->value = '';
+  $o_997->attrs[] = $o_998;
   $o_999 = new AttrSpec();
-  $o_999->name = 'src';
+  $o_999->name = 'custom-element';
   $o_999->mandatory = true;
-  $o_999->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-vimeo-(latest|0\\.1)\\.js';
-  $o_996->attrs[] = $o_999;
+  $o_999->value = 'amp-experiment';
+  $o_999->dispatch_key = true;
+  $o_997->attrs[] = $o_999;
   $o_1000 = new AttrSpec();
-  $o_1000->name = 'type';
-  $o_1000->value = 'text/javascript';
-  $o_996->attrs[] = $o_1000;
-  $o_996->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vimeo.html';
-  $o_1001 = new CdataSpec();
-  $o_1002 = new BlackListedCDataRegex();
-  $o_1002->regex = '.';
-  $o_1002->error_message = 'contents';
-  $o_1001->blacklisted_cdata_regex[] = $o_1002;
-  $o_996->cdata = $o_1001;
-  $o_0->tags[] = $o_996;
-  $o_1003 = new TagSpec();
-  $o_1003->tag_name = 'amp-vimeo';
-  $o_1004 = new AttrSpec();
-  $o_1004->name = 'data-videoid';
-  $o_1004->mandatory = true;
-  $o_1004->value_regex = '[0-9]+';
-  $o_1003->attrs[] = $o_1004;
-  $o_1003->attr_lists = ['extended-amp-global'];
-  $o_1003->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vimeo.html';
-  $o_1005 = new AmpLayout();
-  $o_1005->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
-  $o_1003->amp_layout = $o_1005;
-  $o_1003->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_1003->also_requires_tag = ['amp-vimeo extension .js script'];
-  $o_0->tags[] = $o_1003;
-  $o_1006 = new TagSpec();
-  $o_1006->tag_name = 'script';
-  $o_1006->spec_name = 'amp-vine extension .js script';
-  $o_1006->mandatory_parent = 'head';
+  $o_1000->name = 'nonce';
+  $o_997->attrs[] = $o_1000;
+  $o_1001 = new AttrSpec();
+  $o_1001->name = 'src';
+  $o_1001->mandatory = true;
+  $o_1001->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-experiment-(latest|0\\.1).js';
+  $o_997->attrs[] = $o_1001;
+  $o_1002 = new AttrSpec();
+  $o_1002->name = 'type';
+  $o_1002->value_casei = 'text/javascript';
+  $o_997->attrs[] = $o_1002;
+  $o_997->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-experiment.html';
+  $o_1003 = new CdataSpec();
+  $o_1004 = new BlackListedCDataRegex();
+  $o_1004->regex = '.';
+  $o_1004->error_message = 'contents';
+  $o_1003->blacklisted_cdata_regex[] = $o_1004;
+  $o_997->cdata = $o_1003;
+  $o_997->html_format = [TagSpecHtmlFormat::AMP];
+  $o_997->unique_warning = true;
+  $o_997->extension_unused_unless_tag_present = ['amp-experiment'];
+  $o_0->tags[] = $o_997;
+  $o_1005 = new TagSpec();
+  $o_1005->tag_name = 'script';
+  $o_1005->spec_name = 'amp-experiment extension .json script';
+  $o_1005->mandatory_parent = 'amp-experiment';
+  $o_1006 = new AttrSpec();
+  $o_1006->name = 'nonce';
+  $o_1005->attrs[] = $o_1006;
   $o_1007 = new AttrSpec();
-  $o_1007->name = 'async';
+  $o_1007->name = 'type';
   $o_1007->mandatory = true;
-  $o_1007->value = '';
-  $o_1006->attrs[] = $o_1007;
-  $o_1008 = new AttrSpec();
-  $o_1008->name = 'custom-element';
-  $o_1008->mandatory = true;
-  $o_1008->value = 'amp-vine';
-  $o_1008->dispatch_key = true;
-  $o_1006->attrs[] = $o_1008;
-  $o_1009 = new AttrSpec();
-  $o_1009->name = 'src';
-  $o_1009->mandatory = true;
-  $o_1009->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-vine-(latest|0\\.1).js';
-  $o_1006->attrs[] = $o_1009;
-  $o_1010 = new AttrSpec();
-  $o_1010->name = 'type';
-  $o_1010->value = 'text/javascript';
-  $o_1006->attrs[] = $o_1010;
-  $o_1006->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vine.html';
-  $o_1011 = new CdataSpec();
-  $o_1012 = new BlackListedCDataRegex();
-  $o_1012->regex = '.';
-  $o_1012->error_message = 'contents';
-  $o_1011->blacklisted_cdata_regex[] = $o_1012;
-  $o_1006->cdata = $o_1011;
-  $o_0->tags[] = $o_1006;
-  $o_1013 = new TagSpec();
-  $o_1013->tag_name = 'amp-vine';
+  $o_1007->dispatch_key = true;
+  $o_1007->value_casei = 'application/json';
+  $o_1005->attrs[] = $o_1007;
+  $o_1005->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-experiment.html';
+  $o_1008 = new CdataSpec();
+  $o_1009 = new BlackListedCDataRegex();
+  $o_1009->regex = '<!--';
+  $o_1009->error_message = 'html comments';
+  $o_1008->blacklisted_cdata_regex[] = $o_1009;
+  $o_1005->cdata = $o_1008;
+  $o_1005->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1005;
+  $o_1010 = new TagSpec();
+  $o_1010->tag_name = 'amp-experiment';
+  $o_1010->unique = true;
+  $o_1010->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-experiment.html';
+  $o_1010->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1010->also_requires_tag = ['amp-experiment extension .js script'];
+  $o_1010->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1010;
+  $o_1011 = new TagSpec();
+  $o_1011->tag_name = 'script';
+  $o_1011->spec_name = 'amp-facebook extension .js script';
+  $o_1011->mandatory_parent = 'head';
+  $o_1012 = new AttrSpec();
+  $o_1012->name = 'async';
+  $o_1012->mandatory = true;
+  $o_1012->value = '';
+  $o_1011->attrs[] = $o_1012;
+  $o_1013 = new AttrSpec();
+  $o_1013->name = 'custom-element';
+  $o_1013->mandatory = true;
+  $o_1013->value = 'amp-facebook';
+  $o_1013->dispatch_key = true;
+  $o_1011->attrs[] = $o_1013;
   $o_1014 = new AttrSpec();
-  $o_1014->name = 'data-vineid';
-  $o_1014->mandatory = true;
-  $o_1013->attrs[] = $o_1014;
-  $o_1013->attr_lists = ['extended-amp-global'];
-  $o_1013->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vine.html';
-  $o_1015 = new AmpLayout();
-  $o_1015->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_1013->amp_layout = $o_1015;
-  $o_1013->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_1013->also_requires_tag = ['amp-vine extension .js script'];
-  $o_0->tags[] = $o_1013;
-  $o_1016 = new TagSpec();
-  $o_1016->tag_name = 'script';
-  $o_1016->spec_name = 'amp-youtube extension .js script';
-  $o_1016->mandatory_parent = 'head';
-  $o_1017 = new AttrSpec();
-  $o_1017->name = 'async';
-  $o_1017->mandatory = true;
-  $o_1017->value = '';
-  $o_1016->attrs[] = $o_1017;
-  $o_1018 = new AttrSpec();
-  $o_1018->name = 'custom-element';
-  $o_1018->mandatory = true;
-  $o_1018->value = 'amp-youtube';
-  $o_1018->dispatch_key = true;
-  $o_1016->attrs[] = $o_1018;
-  $o_1019 = new AttrSpec();
-  $o_1019->name = 'src';
-  $o_1019->mandatory = true;
-  $o_1019->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-youtube-(latest|0\\.1)\\.js';
-  $o_1016->attrs[] = $o_1019;
+  $o_1014->name = 'nonce';
+  $o_1011->attrs[] = $o_1014;
+  $o_1015 = new AttrSpec();
+  $o_1015->name = 'src';
+  $o_1015->mandatory = true;
+  $o_1015->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-facebook-(latest|0\\.1).js';
+  $o_1011->attrs[] = $o_1015;
+  $o_1016 = new AttrSpec();
+  $o_1016->name = 'type';
+  $o_1016->value_casei = 'text/javascript';
+  $o_1011->attrs[] = $o_1016;
+  $o_1011->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-facebook.html';
+  $o_1017 = new CdataSpec();
+  $o_1018 = new BlackListedCDataRegex();
+  $o_1018->regex = '.';
+  $o_1018->error_message = 'contents';
+  $o_1017->blacklisted_cdata_regex[] = $o_1018;
+  $o_1011->cdata = $o_1017;
+  $o_1011->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1011->unique_warning = true;
+  $o_1011->extension_unused_unless_tag_present = ['amp-facebook'];
+  $o_0->tags[] = $o_1011;
+  $o_1019 = new TagSpec();
+  $o_1019->tag_name = 'amp-facebook';
   $o_1020 = new AttrSpec();
-  $o_1020->name = 'type';
-  $o_1020->value = 'text/javascript';
-  $o_1016->attrs[] = $o_1020;
-  $o_1016->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-youtube.html';
-  $o_1021 = new CdataSpec();
-  $o_1022 = new BlackListedCDataRegex();
-  $o_1022->regex = '.';
-  $o_1022->error_message = 'contents';
-  $o_1021->blacklisted_cdata_regex[] = $o_1022;
-  $o_1016->cdata = $o_1021;
-  $o_0->tags[] = $o_1016;
-  $o_1023 = new TagSpec();
-  $o_1023->tag_name = 'amp-youtube';
+  $o_1020->name = 'data-href';
+  $o_1020->mandatory = true;
+  $o_1019->attrs[] = $o_1020;
+  $o_1019->attr_lists = ['extended-amp-global'];
+  $o_1019->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-facebook.html';
+  $o_1021 = new AmpLayout();
+  $o_1021->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1019->amp_layout = $o_1021;
+  $o_1019->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1019->also_requires_tag = ['amp-facebook extension .js script'];
+  $o_1019->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1019;
+  $o_1022 = new TagSpec();
+  $o_1022->tag_name = 'script';
+  $o_1022->spec_name = 'amp-fit-text extension .js script';
+  $o_1022->mandatory_parent = 'head';
+  $o_1023 = new AttrSpec();
+  $o_1023->name = 'async';
+  $o_1023->mandatory = true;
+  $o_1023->value = '';
+  $o_1022->attrs[] = $o_1023;
   $o_1024 = new AttrSpec();
-  $o_1024->name = 'data-videoid';
-  $o_1024->mandatory_oneof = '[\'src\', \'data-videoid\']';
-  $o_1023->attrs[] = $o_1024;
+  $o_1024->name = 'custom-element';
+  $o_1024->mandatory = true;
+  $o_1024->value = 'amp-fit-text';
+  $o_1024->dispatch_key = true;
+  $o_1022->attrs[] = $o_1024;
   $o_1025 = new AttrSpec();
-  $o_1025->name = 'src';
-  $o_1025->mandatory_oneof = '[\'src\', \'data-videoid\']';
-  $o_1026 = new UrlSpec();
-  $o_1026->allowed_protocol = ['http', 'https'];
-  $o_1026->allow_relative = true;
-  $o_1025->value_url = $o_1026;
-  $o_1023->attrs[] = $o_1025;
+  $o_1025->name = 'nonce';
+  $o_1022->attrs[] = $o_1025;
+  $o_1026 = new AttrSpec();
+  $o_1026->name = 'src';
+  $o_1026->mandatory = true;
+  $o_1026->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-fit-text-(latest|0\\.1).js';
+  $o_1022->attrs[] = $o_1026;
   $o_1027 = new AttrSpec();
-  $o_1027->name = 'video-id';
-  $o_1027->deprecation = 'data-videoid';
-  $o_1027->deprecation_url = 'https://www.ampproject.org/docs/reference/extended/amp-youtube.html';
-  $o_1027->mandatory_oneof = '[\'src\', \'data-videoid\']';
-  $o_1023->attrs[] = $o_1027;
-  $o_1023->attr_lists = ['extended-amp-global'];
-  $o_1023->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-youtube.html';
-  $o_1028 = new AmpLayout();
-  $o_1028->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
-  $o_1023->amp_layout = $o_1028;
-  $o_1023->disallowed_ancestor = ['head', 'amp-sidebar'];
-  $o_1023->also_requires_tag = ['amp-youtube extension .js script'];
-  $o_0->tags[] = $o_1023;
-  $o_0->min_validator_revision_required = 135;
-  $o_0->spec_file_revision = 228;
-  $o_1029 = new AttrList();
-  $o_1029->name = 'common-link-attrs';
-  $o_1030 = new AttrSpec();
-  $o_1030->name = 'media';
-  $o_1029->attrs[] = $o_1030;
+  $o_1027->name = 'type';
+  $o_1027->value_casei = 'text/javascript';
+  $o_1022->attrs[] = $o_1027;
+  $o_1022->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fit-text.html';
+  $o_1028 = new CdataSpec();
+  $o_1029 = new BlackListedCDataRegex();
+  $o_1029->regex = '.';
+  $o_1029->error_message = 'contents';
+  $o_1028->blacklisted_cdata_regex[] = $o_1029;
+  $o_1022->cdata = $o_1028;
+  $o_1022->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1022->unique_warning = true;
+  $o_1022->extension_unused_unless_tag_present = ['amp-fit-text'];
+  $o_0->tags[] = $o_1022;
+  $o_1030 = new TagSpec();
+  $o_1030->tag_name = 'amp-fit-text';
   $o_1031 = new AttrSpec();
-  $o_1031->name = 'sizes';
-  $o_1029->attrs[] = $o_1031;
+  $o_1031->name = 'max-font-size';
+  $o_1030->attrs[] = $o_1031;
   $o_1032 = new AttrSpec();
-  $o_1032->name = 'target';
-  $o_1029->attrs[] = $o_1032;
-  $o_1033 = new AttrSpec();
-  $o_1033->name = 'type';
-  $o_1029->attrs[] = $o_1033;
-  $o_1034 = new AttrSpec();
-  $o_1034->name = 'hreflang';
-  $o_1029->attrs[] = $o_1034;
+  $o_1032->name = 'min-font-size';
+  $o_1030->attrs[] = $o_1032;
+  $o_1030->attr_lists = ['extended-amp-global'];
+  $o_1030->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fit-text.html';
+  $o_1033 = new AmpLayout();
+  $o_1033->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1030->amp_layout = $o_1033;
+  $o_1030->also_requires_tag = ['amp-fit-text extension .js script'];
+  $o_1030->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1030;
+  $o_1034 = new TagSpec();
+  $o_1034->tag_name = 'script';
+  $o_1034->spec_name = 'amp-font extension .js script';
+  $o_1034->mandatory_parent = 'head';
   $o_1035 = new AttrSpec();
-  $o_1035->name = 'charset';
-  $o_1035->value = 'utf-8';
-  $o_1029->attrs[] = $o_1035;
+  $o_1035->name = 'async';
+  $o_1035->mandatory = true;
+  $o_1035->value = '';
+  $o_1034->attrs[] = $o_1035;
   $o_1036 = new AttrSpec();
-  $o_1036->name = 'color';
-  $o_1029->attrs[] = $o_1036;
-  $o_0->attr_lists[] = $o_1029;
-  $o_1037 = new AttrList();
-  $o_1037->name = 'cite-attr';
+  $o_1036->name = 'custom-element';
+  $o_1036->mandatory = true;
+  $o_1036->value = 'amp-font';
+  $o_1036->dispatch_key = true;
+  $o_1034->attrs[] = $o_1036;
+  $o_1037 = new AttrSpec();
+  $o_1037->name = 'nonce';
+  $o_1034->attrs[] = $o_1037;
   $o_1038 = new AttrSpec();
-  $o_1038->name = 'cite';
-  $o_1039 = new UrlSpec();
-  $o_1039->allowed_protocol = ['http', 'https', 'mailto', 'ftp', 'fb-messenger', 'sms', 'tel', 'viber', 'whatsapp'];
-  $o_1039->allow_relative = true;
-  $o_1038->value_url = $o_1039;
-  $o_1037->attrs[] = $o_1038;
-  $o_0->attr_lists[] = $o_1037;
-  $o_1040 = new AttrList();
-  $o_1040->name = 'track-attrs-no-subtitles';
-  $o_1041 = new AttrSpec();
-  $o_1041->name = 'src';
-  $o_1041->mandatory = true;
-  $o_1042 = new UrlSpec();
-  $o_1042->allowed_protocol = ['https'];
-  $o_1042->allow_relative = false;
-  $o_1041->value_url = $o_1042;
-  $o_1040->attrs[] = $o_1041;
+  $o_1038->name = 'src';
+  $o_1038->mandatory = true;
+  $o_1038->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-font-(latest|0\\.1).js';
+  $o_1034->attrs[] = $o_1038;
+  $o_1039 = new AttrSpec();
+  $o_1039->name = 'type';
+  $o_1039->value_casei = 'text/javascript';
+  $o_1034->attrs[] = $o_1039;
+  $o_1034->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-font.html';
+  $o_1040 = new CdataSpec();
+  $o_1041 = new BlackListedCDataRegex();
+  $o_1041->regex = '.';
+  $o_1041->error_message = 'contents';
+  $o_1040->blacklisted_cdata_regex[] = $o_1041;
+  $o_1034->cdata = $o_1040;
+  $o_1034->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1034->unique_warning = true;
+  $o_1034->extension_unused_unless_tag_present = ['amp-font'];
+  $o_0->tags[] = $o_1034;
+  $o_1042 = new TagSpec();
+  $o_1042->tag_name = 'amp-font';
   $o_1043 = new AttrSpec();
-  $o_1043->name = 'default';
-  $o_1043->value = '';
-  $o_1040->attrs[] = $o_1043;
+  $o_1043->name = 'font-family';
+  $o_1043->mandatory = true;
+  $o_1042->attrs[] = $o_1043;
   $o_1044 = new AttrSpec();
-  $o_1044->name = 'kind';
-  $o_1044->value_regex = '(captions|descriptions|chapters|metadata)';
-  $o_1040->attrs[] = $o_1044;
+  $o_1044->name = 'font-style';
+  $o_1042->attrs[] = $o_1044;
   $o_1045 = new AttrSpec();
-  $o_1045->name = 'label';
-  $o_1040->attrs[] = $o_1045;
+  $o_1045->name = 'font-variant';
+  $o_1042->attrs[] = $o_1045;
   $o_1046 = new AttrSpec();
-  $o_1046->name = 'srclang';
-  $o_1040->attrs[] = $o_1046;
-  $o_0->attr_lists[] = $o_1040;
-  $o_1047 = new AttrList();
-  $o_1047->name = 'track-attrs-subtitles';
+  $o_1046->name = 'timeout';
+  $o_1046->value_regex = '[0-9]+';
+  $o_1042->attrs[] = $o_1046;
+  $o_1047 = new AttrSpec();
+  $o_1047->name = 'font-weight';
+  $o_1042->attrs[] = $o_1047;
   $o_1048 = new AttrSpec();
-  $o_1048->name = 'src';
-  $o_1048->mandatory = true;
-  $o_1049 = new UrlSpec();
-  $o_1049->allowed_protocol = ['https'];
-  $o_1049->allow_relative = false;
-  $o_1048->value_url = $o_1049;
-  $o_1047->attrs[] = $o_1048;
+  $o_1048->name = 'on-error-add-class';
+  $o_1042->attrs[] = $o_1048;
+  $o_1049 = new AttrSpec();
+  $o_1049->name = 'on-error-remove-class';
+  $o_1042->attrs[] = $o_1049;
   $o_1050 = new AttrSpec();
-  $o_1050->name = 'default';
-  $o_1050->value = '';
-  $o_1047->attrs[] = $o_1050;
+  $o_1050->name = 'on-load-add-class';
+  $o_1042->attrs[] = $o_1050;
   $o_1051 = new AttrSpec();
-  $o_1051->name = 'kind';
-  $o_1051->mandatory = true;
-  $o_1051->value = 'subtitles';
-  $o_1047->attrs[] = $o_1051;
-  $o_1052 = new AttrSpec();
-  $o_1052->name = 'label';
-  $o_1047->attrs[] = $o_1052;
-  $o_1053 = new AttrSpec();
-  $o_1053->name = 'srclang';
-  $o_1053->mandatory = true;
-  $o_1047->attrs[] = $o_1053;
-  $o_0->attr_lists[] = $o_1047;
-  $o_1054 = new AttrList();
-  $o_1054->name = 'svg-conditional-processing-attributes';
+  $o_1051->name = 'on-load-remove-class';
+  $o_1042->attrs[] = $o_1051;
+  $o_1042->attr_lists = ['extended-amp-global'];
+  $o_1042->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-font.html';
+  $o_1052 = new AmpLayout();
+  $o_1052->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1042->amp_layout = $o_1052;
+  $o_1042->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1042->also_requires_tag = ['amp-font extension .js script'];
+  $o_1042->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1042;
+  $o_1053 = new TagSpec();
+  $o_1053->tag_name = 'script';
+  $o_1053->spec_name = 'amp-form extension .js script';
+  $o_1053->mandatory_parent = 'head';
+  $o_1054 = new AttrSpec();
+  $o_1054->name = 'async';
+  $o_1054->mandatory = true;
+  $o_1054->value = '';
+  $o_1053->attrs[] = $o_1054;
   $o_1055 = new AttrSpec();
-  $o_1055->name = 'requiredextensions';
-  $o_1054->attrs[] = $o_1055;
+  $o_1055->name = 'custom-element';
+  $o_1055->mandatory = true;
+  $o_1055->value = 'amp-form';
+  $o_1055->dispatch_key = true;
+  $o_1053->attrs[] = $o_1055;
   $o_1056 = new AttrSpec();
-  $o_1056->name = 'requiredfeatures';
-  $o_1054->attrs[] = $o_1056;
+  $o_1056->name = 'nonce';
+  $o_1053->attrs[] = $o_1056;
   $o_1057 = new AttrSpec();
-  $o_1057->name = 'systemlanguage';
-  $o_1054->attrs[] = $o_1057;
-  $o_0->attr_lists[] = $o_1054;
-  $o_1058 = new AttrList();
-  $o_1058->name = 'svg-core-attributes';
-  $o_1059 = new AttrSpec();
-  $o_1059->name = 'xml:base';
-  $o_1058->attrs[] = $o_1059;
-  $o_1060 = new AttrSpec();
-  $o_1060->name = 'xml:lang';
-  $o_1058->attrs[] = $o_1060;
-  $o_1061 = new AttrSpec();
-  $o_1061->name = 'xml:space';
-  $o_1058->attrs[] = $o_1061;
+  $o_1057->name = 'src';
+  $o_1057->mandatory = true;
+  $o_1057->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-form-(latest|0\\.1).js';
+  $o_1053->attrs[] = $o_1057;
+  $o_1058 = new AttrSpec();
+  $o_1058->name = 'type';
+  $o_1058->value_casei = 'text/javascript';
+  $o_1053->attrs[] = $o_1058;
+  $o_1053->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-form.html';
+  $o_1059 = new CdataSpec();
+  $o_1060 = new BlackListedCDataRegex();
+  $o_1060->regex = '.';
+  $o_1060->error_message = 'contents';
+  $o_1059->blacklisted_cdata_regex[] = $o_1060;
+  $o_1053->cdata = $o_1059;
+  $o_1053->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1053->unique_warning = true;
+  $o_0->tags[] = $o_1053;
+  $o_1061 = new TagSpec();
+  $o_1061->tag_name = 'script';
+  $o_1061->spec_name = 'amp-fx-flying-carpet extension .js script';
+  $o_1061->mandatory_parent = 'head';
   $o_1062 = new AttrSpec();
-  $o_1062->name = 'xmlns';
-  $o_1058->attrs[] = $o_1062;
+  $o_1062->name = 'async';
+  $o_1062->mandatory = true;
+  $o_1062->value = '';
+  $o_1061->attrs[] = $o_1062;
   $o_1063 = new AttrSpec();
-  $o_1063->name = 'xmlns:xlink';
-  $o_1058->attrs[] = $o_1063;
-  $o_0->attr_lists[] = $o_1058;
-  $o_1064 = new AttrList();
-  $o_1064->name = 'svg-filter-primitive-attributes';
+  $o_1063->name = 'custom-element';
+  $o_1063->mandatory = true;
+  $o_1063->value = 'amp-fx-flying-carpet';
+  $o_1063->dispatch_key = true;
+  $o_1061->attrs[] = $o_1063;
+  $o_1064 = new AttrSpec();
+  $o_1064->name = 'nonce';
+  $o_1061->attrs[] = $o_1064;
   $o_1065 = new AttrSpec();
-  $o_1065->name = 'height';
-  $o_1064->attrs[] = $o_1065;
+  $o_1065->name = 'src';
+  $o_1065->mandatory = true;
+  $o_1065->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-fx-flying-carpet-(latest|0\\.1)\\.js';
+  $o_1061->attrs[] = $o_1065;
   $o_1066 = new AttrSpec();
-  $o_1066->name = 'result';
-  $o_1064->attrs[] = $o_1066;
-  $o_1067 = new AttrSpec();
-  $o_1067->name = 'width';
-  $o_1064->attrs[] = $o_1067;
-  $o_1068 = new AttrSpec();
-  $o_1068->name = 'x';
-  $o_1064->attrs[] = $o_1068;
-  $o_1069 = new AttrSpec();
-  $o_1069->name = 'y';
-  $o_1064->attrs[] = $o_1069;
-  $o_0->attr_lists[] = $o_1064;
-  $o_1070 = new AttrList();
-  $o_1070->name = 'svg-presentation-attributes';
-  $o_1071 = new AttrSpec();
-  $o_1071->name = 'alignment-baseline';
-  $o_1070->attrs[] = $o_1071;
+  $o_1066->name = 'type';
+  $o_1066->value_casei = 'text/javascript';
+  $o_1061->attrs[] = $o_1066;
+  $o_1061->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fx-flying-carpet.html';
+  $o_1067 = new CdataSpec();
+  $o_1068 = new BlackListedCDataRegex();
+  $o_1068->regex = '.';
+  $o_1068->error_message = 'contents';
+  $o_1067->blacklisted_cdata_regex[] = $o_1068;
+  $o_1061->cdata = $o_1067;
+  $o_1061->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1061->unique_warning = true;
+  $o_1061->extension_unused_unless_tag_present = ['amp-fx-flying-carpet'];
+  $o_0->tags[] = $o_1061;
+  $o_1069 = new TagSpec();
+  $o_1069->tag_name = 'amp-fx-flying-carpet';
+  $o_1070 = new AttrSpec();
+  $o_1070->name = 'height';
+  $o_1070->mandatory = true;
+  $o_1069->attrs[] = $o_1070;
+  $o_1069->attr_lists = ['extended-amp-global'];
+  $o_1069->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-fx-flying-carpet.html';
+  $o_1069->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1069->also_requires_tag = ['amp-fx-flying-carpet extension .js script'];
+  $o_1069->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1069;
+  $o_1071 = new TagSpec();
+  $o_1071->tag_name = 'script';
+  $o_1071->spec_name = 'amp-gfycat extension .js script';
+  $o_1071->mandatory_parent = 'head';
   $o_1072 = new AttrSpec();
-  $o_1072->name = 'baseline-shift';
-  $o_1070->attrs[] = $o_1072;
+  $o_1072->name = 'async';
+  $o_1072->mandatory = true;
+  $o_1072->value = '';
+  $o_1071->attrs[] = $o_1072;
   $o_1073 = new AttrSpec();
-  $o_1073->name = 'clip';
-  $o_1070->attrs[] = $o_1073;
+  $o_1073->name = 'custom-element';
+  $o_1073->mandatory = true;
+  $o_1073->value = 'amp-gfycat';
+  $o_1073->dispatch_key = true;
+  $o_1071->attrs[] = $o_1073;
   $o_1074 = new AttrSpec();
-  $o_1074->name = 'clip-path';
-  $o_1070->attrs[] = $o_1074;
+  $o_1074->name = 'nonce';
+  $o_1071->attrs[] = $o_1074;
   $o_1075 = new AttrSpec();
-  $o_1075->name = 'clip-rule';
-  $o_1070->attrs[] = $o_1075;
+  $o_1075->name = 'src';
+  $o_1075->mandatory = true;
+  $o_1075->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-gfycat-(latest|0\\.1).js';
+  $o_1071->attrs[] = $o_1075;
   $o_1076 = new AttrSpec();
-  $o_1076->name = 'color';
-  $o_1070->attrs[] = $o_1076;
-  $o_1077 = new AttrSpec();
-  $o_1077->name = 'color-interpolation';
-  $o_1070->attrs[] = $o_1077;
-  $o_1078 = new AttrSpec();
-  $o_1078->name = 'color-interpolation-filters';
-  $o_1070->attrs[] = $o_1078;
-  $o_1079 = new AttrSpec();
-  $o_1079->name = 'color-profile';
-  $o_1070->attrs[] = $o_1079;
+  $o_1076->name = 'type';
+  $o_1076->value_casei = 'text/javascript';
+  $o_1071->attrs[] = $o_1076;
+  $o_1071->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-gfycat.html';
+  $o_1077 = new CdataSpec();
+  $o_1078 = new BlackListedCDataRegex();
+  $o_1078->regex = '.';
+  $o_1078->error_message = 'contents';
+  $o_1077->blacklisted_cdata_regex[] = $o_1078;
+  $o_1071->cdata = $o_1077;
+  $o_1071->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1071->unique_warning = true;
+  $o_1071->extension_unused_unless_tag_present = ['amp-gfycat'];
+  $o_0->tags[] = $o_1071;
+  $o_1079 = new TagSpec();
+  $o_1079->tag_name = 'amp-gfycat';
   $o_1080 = new AttrSpec();
-  $o_1080->name = 'color-rendering';
-  $o_1070->attrs[] = $o_1080;
+  $o_1080->name = 'data-gfyid';
+  $o_1080->mandatory = true;
+  $o_1079->attrs[] = $o_1080;
   $o_1081 = new AttrSpec();
-  $o_1081->name = 'cursor';
-  $o_1070->attrs[] = $o_1081;
-  $o_1082 = new AttrSpec();
-  $o_1082->name = 'direction';
-  $o_1070->attrs[] = $o_1082;
-  $o_1083 = new AttrSpec();
-  $o_1083->name = 'display';
-  $o_1070->attrs[] = $o_1083;
+  $o_1081->name = 'noautoplay';
+  $o_1081->value = '';
+  $o_1079->attrs[] = $o_1081;
+  $o_1079->attr_lists = ['extended-amp-global'];
+  $o_1079->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-gfycat.html';
+  $o_1082 = new AmpLayout();
+  $o_1082->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1079->amp_layout = $o_1082;
+  $o_1079->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1079->also_requires_tag = ['amp-gfycat extension .js script'];
+  $o_1079->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1079;
+  $o_1083 = new TagSpec();
+  $o_1083->tag_name = 'script';
+  $o_1083->spec_name = 'amp-hulu extension .js script';
+  $o_1083->unique = true;
+  $o_1083->mandatory_parent = 'head';
   $o_1084 = new AttrSpec();
-  $o_1084->name = 'dominant-baseline';
-  $o_1070->attrs[] = $o_1084;
+  $o_1084->name = 'async';
+  $o_1084->mandatory = true;
+  $o_1084->value = '';
+  $o_1083->attrs[] = $o_1084;
   $o_1085 = new AttrSpec();
-  $o_1085->name = 'enable-background';
-  $o_1070->attrs[] = $o_1085;
+  $o_1085->name = 'custom-element';
+  $o_1085->mandatory = true;
+  $o_1085->value = 'amp-hulu';
+  $o_1085->dispatch_key = true;
+  $o_1083->attrs[] = $o_1085;
   $o_1086 = new AttrSpec();
-  $o_1086->name = 'fill';
-  $o_1070->attrs[] = $o_1086;
+  $o_1086->name = 'nonce';
+  $o_1083->attrs[] = $o_1086;
   $o_1087 = new AttrSpec();
-  $o_1087->name = 'fill-opacity';
-  $o_1070->attrs[] = $o_1087;
+  $o_1087->name = 'src';
+  $o_1087->mandatory = true;
+  $o_1087->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-hulu-(latest|0\\.1)\\.js';
+  $o_1083->attrs[] = $o_1087;
   $o_1088 = new AttrSpec();
-  $o_1088->name = 'fill-rule';
-  $o_1070->attrs[] = $o_1088;
-  $o_1089 = new AttrSpec();
-  $o_1089->name = 'filter';
-  $o_1070->attrs[] = $o_1089;
-  $o_1090 = new AttrSpec();
-  $o_1090->name = 'flood-color';
-  $o_1070->attrs[] = $o_1090;
-  $o_1091 = new AttrSpec();
-  $o_1091->name = 'flood-opacity';
-  $o_1070->attrs[] = $o_1091;
+  $o_1088->name = 'type';
+  $o_1088->value_casei = 'text/javascript';
+  $o_1083->attrs[] = $o_1088;
+  $o_1089 = new CdataSpec();
+  $o_1090 = new BlackListedCDataRegex();
+  $o_1090->regex = '.';
+  $o_1090->error_message = 'contents';
+  $o_1089->blacklisted_cdata_regex[] = $o_1090;
+  $o_1083->cdata = $o_1089;
+  $o_1083->also_requires_tag = ['amp-hulu'];
+  $o_1083->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1083;
+  $o_1091 = new TagSpec();
+  $o_1091->tag_name = 'amp-hulu';
   $o_1092 = new AttrSpec();
-  $o_1092->name = 'font-family';
-  $o_1070->attrs[] = $o_1092;
-  $o_1093 = new AttrSpec();
-  $o_1093->name = 'font-size';
-  $o_1070->attrs[] = $o_1093;
-  $o_1094 = new AttrSpec();
-  $o_1094->name = 'font-size-adjust';
-  $o_1070->attrs[] = $o_1094;
+  $o_1092->name = 'data-eid';
+  $o_1092->mandatory = true;
+  $o_1091->attrs[] = $o_1092;
+  $o_1091->attr_lists = ['extended-amp-global'];
+  $o_1093 = new AmpLayout();
+  $o_1093->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1091->amp_layout = $o_1093;
+  $o_1091->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1091->also_requires_tag = ['amp-hulu extension .js script'];
+  $o_1091->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1091;
+  $o_1094 = new TagSpec();
+  $o_1094->tag_name = 'script';
+  $o_1094->spec_name = 'amp-iframe extension .js script';
+  $o_1094->mandatory_parent = 'head';
   $o_1095 = new AttrSpec();
-  $o_1095->name = 'font-stretch';
-  $o_1070->attrs[] = $o_1095;
+  $o_1095->name = 'async';
+  $o_1095->mandatory = true;
+  $o_1095->value = '';
+  $o_1094->attrs[] = $o_1095;
   $o_1096 = new AttrSpec();
-  $o_1096->name = 'font-style';
-  $o_1070->attrs[] = $o_1096;
+  $o_1096->name = 'custom-element';
+  $o_1096->mandatory = true;
+  $o_1096->value = 'amp-iframe';
+  $o_1096->dispatch_key = true;
+  $o_1094->attrs[] = $o_1096;
   $o_1097 = new AttrSpec();
-  $o_1097->name = 'font-variant';
-  $o_1070->attrs[] = $o_1097;
+  $o_1097->name = 'nonce';
+  $o_1094->attrs[] = $o_1097;
   $o_1098 = new AttrSpec();
-  $o_1098->name = 'font-weight';
-  $o_1070->attrs[] = $o_1098;
+  $o_1098->name = 'src';
+  $o_1098->mandatory = true;
+  $o_1098->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-iframe-(latest|0\\.1).js';
+  $o_1094->attrs[] = $o_1098;
   $o_1099 = new AttrSpec();
-  $o_1099->name = 'glyph-orientation-horizontal';
-  $o_1070->attrs[] = $o_1099;
-  $o_1100 = new AttrSpec();
-  $o_1100->name = 'glyph-orientation-vertical';
-  $o_1070->attrs[] = $o_1100;
-  $o_1101 = new AttrSpec();
-  $o_1101->name = 'image-rendering';
-  $o_1070->attrs[] = $o_1101;
-  $o_1102 = new AttrSpec();
-  $o_1102->name = 'kerning';
-  $o_1070->attrs[] = $o_1102;
+  $o_1099->name = 'type';
+  $o_1099->value_casei = 'text/javascript';
+  $o_1094->attrs[] = $o_1099;
+  $o_1094->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-iframe.html';
+  $o_1100 = new CdataSpec();
+  $o_1101 = new BlackListedCDataRegex();
+  $o_1101->regex = '.';
+  $o_1101->error_message = 'contents';
+  $o_1100->blacklisted_cdata_regex[] = $o_1101;
+  $o_1094->cdata = $o_1100;
+  $o_1094->html_format = [TagSpecHtmlFormat::AMP];
+  $o_1094->unique_warning = true;
+  $o_1094->extension_unused_unless_tag_present = ['amp-iframe'];
+  $o_0->tags[] = $o_1094;
+  $o_1102 = new TagSpec();
+  $o_1102->tag_name = 'amp-iframe';
   $o_1103 = new AttrSpec();
-  $o_1103->name = 'letter-spacing';
-  $o_1070->attrs[] = $o_1103;
+  $o_1103->name = 'allowfullscreen';
+  $o_1103->value = '';
+  $o_1102->attrs[] = $o_1103;
   $o_1104 = new AttrSpec();
-  $o_1104->name = 'lighting-color';
-  $o_1070->attrs[] = $o_1104;
+  $o_1104->name = 'allowtransparency';
+  $o_1104->value = '';
+  $o_1102->attrs[] = $o_1104;
   $o_1105 = new AttrSpec();
-  $o_1105->name = 'marker-end';
-  $o_1070->attrs[] = $o_1105;
+  $o_1105->name = 'frameborder';
+  $o_1105->value_regex = '0|1';
+  $o_1102->attrs[] = $o_1105;
   $o_1106 = new AttrSpec();
-  $o_1106->name = 'marker-mid';
-  $o_1070->attrs[] = $o_1106;
+  $o_1106->name = 'referrerpolicy';
+  $o_1102->attrs[] = $o_1106;
   $o_1107 = new AttrSpec();
-  $o_1107->name = 'marker-start';
-  $o_1070->attrs[] = $o_1107;
+  $o_1107->name = 'resizable';
+  $o_1107->value = '';
+  $o_1102->attrs[] = $o_1107;
   $o_1108 = new AttrSpec();
-  $o_1108->name = 'mask';
-  $o_1070->attrs[] = $o_1108;
+  $o_1108->name = 'sandbox';
+  $o_1102->attrs[] = $o_1108;
   $o_1109 = new AttrSpec();
-  $o_1109->name = 'opacity';
-  $o_1070->attrs[] = $o_1109;
+  $o_1109->name = 'scrolling';
+  $o_1109->value_regex = 'auto|yes|no';
+  $o_1102->attrs[] = $o_1109;
   $o_1110 = new AttrSpec();
-  $o_1110->name = 'overflow';
-  $o_1070->attrs[] = $o_1110;
-  $o_1111 = new AttrSpec();
-  $o_1111->name = 'pointer-events';
-  $o_1070->attrs[] = $o_1111;
+  $o_1110->name = 'src';
+  $o_1110->blacklisted_value_regex = '__amp_source_origin';
+  $o_1110->mandatory_oneof = '[\'src\', \'srcdoc\']';
+  $o_1111 = new UrlSpec();
+  $o_1111->allowed_protocol = ['data', 'https'];
+  $o_1111->allow_relative = true;
+  $o_1110->value_url = $o_1111;
+  $o_1102->attrs[] = $o_1110;
   $o_1112 = new AttrSpec();
-  $o_1112->name = 'shape-rendering';
-  $o_1070->attrs[] = $o_1112;
-  $o_1113 = new AttrSpec();
-  $o_1113->name = 'stop-color';
-  $o_1070->attrs[] = $o_1113;
-  $o_1114 = new AttrSpec();
-  $o_1114->name = 'stop-opacity';
-  $o_1070->attrs[] = $o_1114;
+  $o_1112->name = 'srcdoc';
+  $o_1112->mandatory_oneof = '[\'src\', \'srcdoc\']';
+  $o_1102->attrs[] = $o_1112;
+  $o_1102->attr_lists = ['extended-amp-global'];
+  $o_1102->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-iframe.html';
+  $o_1113 = new AmpLayout();
+  $o_1113->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1102->amp_layout = $o_1113;
+  $o_1102->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1102->also_requires_tag = ['amp-iframe extension .js script'];
+  $o_1102->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1102;
+  $o_1114 = new TagSpec();
+  $o_1114->tag_name = 'script';
+  $o_1114->spec_name = 'amp-image-lightbox extension .js script';
+  $o_1114->mandatory_parent = 'head';
   $o_1115 = new AttrSpec();
-  $o_1115->name = 'stroke';
-  $o_1070->attrs[] = $o_1115;
+  $o_1115->name = 'async';
+  $o_1115->mandatory = true;
+  $o_1115->value = '';
+  $o_1114->attrs[] = $o_1115;
   $o_1116 = new AttrSpec();
-  $o_1116->name = 'stroke-dasharray';
-  $o_1070->attrs[] = $o_1116;
+  $o_1116->name = 'custom-element';
+  $o_1116->mandatory = true;
+  $o_1116->value = 'amp-image-lightbox';
+  $o_1116->dispatch_key = true;
+  $o_1114->attrs[] = $o_1116;
   $o_1117 = new AttrSpec();
-  $o_1117->name = 'stroke-dashoffset';
-  $o_1070->attrs[] = $o_1117;
+  $o_1117->name = 'nonce';
+  $o_1114->attrs[] = $o_1117;
   $o_1118 = new AttrSpec();
-  $o_1118->name = 'stroke-linecap';
-  $o_1070->attrs[] = $o_1118;
+  $o_1118->name = 'src';
+  $o_1118->mandatory = true;
+  $o_1118->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-image-lightbox-(latest|0\\.1).js';
+  $o_1114->attrs[] = $o_1118;
   $o_1119 = new AttrSpec();
-  $o_1119->name = 'stroke-linejoin';
-  $o_1070->attrs[] = $o_1119;
-  $o_1120 = new AttrSpec();
-  $o_1120->name = 'stroke-miterlimit';
-  $o_1070->attrs[] = $o_1120;
-  $o_1121 = new AttrSpec();
-  $o_1121->name = 'stroke-opacity';
-  $o_1070->attrs[] = $o_1121;
-  $o_1122 = new AttrSpec();
-  $o_1122->name = 'stroke-width';
-  $o_1070->attrs[] = $o_1122;
+  $o_1119->name = 'type';
+  $o_1119->value_casei = 'text/javascript';
+  $o_1114->attrs[] = $o_1119;
+  $o_1114->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-image-lightbox.html';
+  $o_1120 = new CdataSpec();
+  $o_1121 = new BlackListedCDataRegex();
+  $o_1121->regex = '.';
+  $o_1121->error_message = 'contents';
+  $o_1120->blacklisted_cdata_regex[] = $o_1121;
+  $o_1114->cdata = $o_1120;
+  $o_1114->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1114->unique_warning = true;
+  $o_1114->extension_unused_unless_tag_present = ['amp-image-lightbox'];
+  $o_0->tags[] = $o_1114;
+  $o_1122 = new TagSpec();
+  $o_1122->tag_name = 'amp-image-lightbox';
   $o_1123 = new AttrSpec();
-  $o_1123->name = 'text-anchor';
-  $o_1070->attrs[] = $o_1123;
-  $o_1124 = new AttrSpec();
-  $o_1124->name = 'text-decoration';
-  $o_1070->attrs[] = $o_1124;
-  $o_1125 = new AttrSpec();
-  $o_1125->name = 'text-rendering';
-  $o_1070->attrs[] = $o_1125;
+  $o_1123->name = 'controls';
+  $o_1122->attrs[] = $o_1123;
+  $o_1122->attr_lists = ['extended-amp-global'];
+  $o_1122->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-image-lightbox.html';
+  $o_1124 = new AmpLayout();
+  $o_1124->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1122->amp_layout = $o_1124;
+  $o_1122->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1122->also_requires_tag = ['amp-image-lightbox extension .js script'];
+  $o_1122->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1122;
+  $o_1125 = new TagSpec();
+  $o_1125->tag_name = 'script';
+  $o_1125->spec_name = 'amp-instagram extension .js script';
+  $o_1125->mandatory_parent = 'head';
   $o_1126 = new AttrSpec();
-  $o_1126->name = 'unicode-bidi';
-  $o_1070->attrs[] = $o_1126;
+  $o_1126->name = 'async';
+  $o_1126->mandatory = true;
+  $o_1126->value = '';
+  $o_1125->attrs[] = $o_1126;
   $o_1127 = new AttrSpec();
-  $o_1127->name = 'visibility';
-  $o_1070->attrs[] = $o_1127;
+  $o_1127->name = 'custom-element';
+  $o_1127->mandatory = true;
+  $o_1127->value = 'amp-instagram';
+  $o_1127->dispatch_key = true;
+  $o_1125->attrs[] = $o_1127;
   $o_1128 = new AttrSpec();
-  $o_1128->name = 'word-spacing';
-  $o_1070->attrs[] = $o_1128;
+  $o_1128->name = 'nonce';
+  $o_1125->attrs[] = $o_1128;
   $o_1129 = new AttrSpec();
-  $o_1129->name = 'writing-mode';
-  $o_1070->attrs[] = $o_1129;
-  $o_0->attr_lists[] = $o_1070;
-  $o_1130 = new AttrList();
-  $o_1130->name = 'svg-transfer-function-attributes';
-  $o_1131 = new AttrSpec();
-  $o_1131->name = 'amplitude';
-  $o_1130->attrs[] = $o_1131;
-  $o_1132 = new AttrSpec();
-  $o_1132->name = 'exponent';
-  $o_1130->attrs[] = $o_1132;
-  $o_1133 = new AttrSpec();
-  $o_1133->name = 'intercept';
-  $o_1130->attrs[] = $o_1133;
+  $o_1129->name = 'src';
+  $o_1129->mandatory = true;
+  $o_1129->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-instagram-(latest|0\\.1).js';
+  $o_1125->attrs[] = $o_1129;
+  $o_1130 = new AttrSpec();
+  $o_1130->name = 'type';
+  $o_1130->value_casei = 'text/javascript';
+  $o_1125->attrs[] = $o_1130;
+  $o_1125->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-instagram.html';
+  $o_1131 = new CdataSpec();
+  $o_1132 = new BlackListedCDataRegex();
+  $o_1132->regex = '.';
+  $o_1132->error_message = 'contents';
+  $o_1131->blacklisted_cdata_regex[] = $o_1132;
+  $o_1125->cdata = $o_1131;
+  $o_1125->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1125->unique_warning = true;
+  $o_1125->extension_unused_unless_tag_present = ['amp-instagram'];
+  $o_0->tags[] = $o_1125;
+  $o_1133 = new TagSpec();
+  $o_1133->tag_name = 'amp-instagram';
   $o_1134 = new AttrSpec();
-  $o_1134->name = 'offset';
-  $o_1130->attrs[] = $o_1134;
+  $o_1134->name = 'alt';
+  $o_1133->attrs[] = $o_1134;
   $o_1135 = new AttrSpec();
-  $o_1135->name = 'slope';
-  $o_1130->attrs[] = $o_1135;
-  $o_1136 = new AttrSpec();
-  $o_1136->name = 'table';
-  $o_1130->attrs[] = $o_1136;
-  $o_1137 = new AttrSpec();
-  $o_1137->name = 'tablevalues';
-  $o_1130->attrs[] = $o_1137;
-  $o_0->attr_lists[] = $o_1130;
-  $o_1138 = new AttrList();
-  $o_1138->name = 'svg-xlink-attributes';
+  $o_1135->name = 'data-shortcode';
+  $o_1135->mandatory = true;
+  $o_1133->attrs[] = $o_1135;
+  $o_1133->attr_lists = ['extended-amp-global'];
+  $o_1133->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-instagram.html';
+  $o_1136 = new AmpLayout();
+  $o_1136->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1133->amp_layout = $o_1136;
+  $o_1133->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1133->also_requires_tag = ['amp-instagram extension .js script'];
+  $o_1133->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1133;
+  $o_1137 = new TagSpec();
+  $o_1137->tag_name = 'script';
+  $o_1137->spec_name = 'amp-install-serviceworker extension .js script';
+  $o_1137->mandatory_parent = 'head';
+  $o_1138 = new AttrSpec();
+  $o_1138->name = 'async';
+  $o_1138->mandatory = true;
+  $o_1138->value = '';
+  $o_1137->attrs[] = $o_1138;
   $o_1139 = new AttrSpec();
-  $o_1139->name = 'xlink:actuate';
-  $o_1138->attrs[] = $o_1139;
+  $o_1139->name = 'custom-element';
+  $o_1139->mandatory = true;
+  $o_1139->value = 'amp-install-serviceworker';
+  $o_1139->dispatch_key = true;
+  $o_1137->attrs[] = $o_1139;
   $o_1140 = new AttrSpec();
-  $o_1140->name = 'xlink:arcrole';
-  $o_1138->attrs[] = $o_1140;
+  $o_1140->name = 'nonce';
+  $o_1137->attrs[] = $o_1140;
   $o_1141 = new AttrSpec();
-  $o_1141->name = 'xlink:href';
-  $o_1141->value_regex = '#.*';
-  $o_1138->attrs[] = $o_1141;
+  $o_1141->name = 'src';
+  $o_1141->mandatory = true;
+  $o_1141->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-install-serviceworker-(latest|0\\.1).js';
+  $o_1137->attrs[] = $o_1141;
   $o_1142 = new AttrSpec();
-  $o_1142->name = 'xlink:role';
-  $o_1138->attrs[] = $o_1142;
-  $o_1143 = new AttrSpec();
-  $o_1143->name = 'xlink:show';
-  $o_1138->attrs[] = $o_1143;
-  $o_1144 = new AttrSpec();
-  $o_1144->name = 'xlink:title';
-  $o_1138->attrs[] = $o_1144;
-  $o_1145 = new AttrSpec();
-  $o_1145->name = 'xlink:type';
-  $o_1138->attrs[] = $o_1145;
-  $o_0->attr_lists[] = $o_1138;
-  $o_1146 = new AttrList();
-  $o_1146->name = 'mandatory-src-or-srcset';
-  $o_1147 = new AttrSpec();
-  $o_1147->name = 'src';
-  $o_1147->alternative_names = ['srcset'];
-  $o_1147->mandatory = true;
-  $o_1148 = new UrlSpec();
-  $o_1148->allowed_protocol = ['data', 'http', 'https'];
-  $o_1148->allow_relative = true;
-  $o_1147->value_url = $o_1148;
-  $o_1146->attrs[] = $o_1147;
-  $o_0->attr_lists[] = $o_1146;
-  $o_1149 = new AttrList();
-  $o_1149->name = 'extended-amp-global';
+  $o_1142->name = 'type';
+  $o_1142->value_casei = 'text/javascript';
+  $o_1137->attrs[] = $o_1142;
+  $o_1137->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-install-serviceworker.html';
+  $o_1143 = new CdataSpec();
+  $o_1144 = new BlackListedCDataRegex();
+  $o_1144->regex = '.';
+  $o_1144->error_message = 'contents';
+  $o_1143->blacklisted_cdata_regex[] = $o_1144;
+  $o_1137->cdata = $o_1143;
+  $o_1137->html_format = [TagSpecHtmlFormat::AMP];
+  $o_1137->unique_warning = true;
+  $o_1137->extension_unused_unless_tag_present = ['amp-install-serviceworker'];
+  $o_0->tags[] = $o_1137;
+  $o_1145 = new TagSpec();
+  $o_1145->tag_name = 'amp-install-serviceworker';
+  $o_1146 = new AttrSpec();
+  $o_1146->name = 'src';
+  $o_1146->mandatory = true;
+  $o_1146->blacklisted_value_regex = '__amp_source_origin';
+  $o_1147 = new UrlSpec();
+  $o_1147->allowed_protocol = ['https'];
+  $o_1147->allow_relative = true;
+  $o_1146->value_url = $o_1147;
+  $o_1145->attrs[] = $o_1146;
+  $o_1145->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-install-serviceworker.html';
+  $o_1148 = new AmpLayout();
+  $o_1148->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1145->amp_layout = $o_1148;
+  $o_1145->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1145->also_requires_tag = ['amp-install-serviceworker extension .js script'];
+  $o_1145->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1145;
+  $o_1149 = new TagSpec();
+  $o_1149->tag_name = 'script';
+  $o_1149->spec_name = 'amp-jwplayer extension .js script';
+  $o_1149->mandatory_parent = 'head';
   $o_1150 = new AttrSpec();
-  $o_1150->name = 'media';
+  $o_1150->name = 'async';
+  $o_1150->mandatory = true;
+  $o_1150->value = '';
   $o_1149->attrs[] = $o_1150;
   $o_1151 = new AttrSpec();
-  $o_1151->name = 'noloading';
-  $o_1151->value = '';
+  $o_1151->name = 'custom-element';
+  $o_1151->mandatory = true;
+  $o_1151->value = 'amp-jwplayer';
+  $o_1151->dispatch_key = true;
   $o_1149->attrs[] = $o_1151;
-  $o_0->attr_lists[] = $o_1149;
-  $o_1152 = new AttrList();
-  $o_1152->name = '$AMP_LAYOUT_ATTRS';
+  $o_1152 = new AttrSpec();
+  $o_1152->name = 'nonce';
+  $o_1149->attrs[] = $o_1152;
   $o_1153 = new AttrSpec();
-  $o_1153->name = 'height';
-  $o_1152->attrs[] = $o_1153;
+  $o_1153->name = 'src';
+  $o_1153->mandatory = true;
+  $o_1153->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-jwplayer-(latest|0\\.1).js';
+  $o_1149->attrs[] = $o_1153;
   $o_1154 = new AttrSpec();
-  $o_1154->name = 'heights';
-  $o_1152->attrs[] = $o_1154;
-  $o_1155 = new AttrSpec();
-  $o_1155->name = 'layout';
-  $o_1152->attrs[] = $o_1155;
-  $o_1156 = new AttrSpec();
-  $o_1156->name = 'sizes';
-  $o_1152->attrs[] = $o_1156;
-  $o_1157 = new AttrSpec();
-  $o_1157->name = 'width';
-  $o_1152->attrs[] = $o_1157;
-  $o_0->attr_lists[] = $o_1152;
-  $o_1158 = new AttrList();
-  $o_1158->name = '$GLOBAL_ATTRS';
+  $o_1154->name = 'type';
+  $o_1154->value_casei = 'text/javascript';
+  $o_1149->attrs[] = $o_1154;
+  $o_1149->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-jwplayer.html';
+  $o_1155 = new CdataSpec();
+  $o_1156 = new BlackListedCDataRegex();
+  $o_1156->regex = '.';
+  $o_1156->error_message = 'contents';
+  $o_1155->blacklisted_cdata_regex[] = $o_1156;
+  $o_1149->cdata = $o_1155;
+  $o_1149->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1149->unique_warning = true;
+  $o_1149->extension_unused_unless_tag_present = ['amp-jwplayer'];
+  $o_0->tags[] = $o_1149;
+  $o_1157 = new TagSpec();
+  $o_1157->tag_name = 'amp-jwplayer';
+  $o_1158 = new AttrSpec();
+  $o_1158->name = 'data-media-id';
+  $o_1158->value_regex_casei = '[0-9a-z]{8}';
+  $o_1158->mandatory_oneof = 'data-media-id or data-playlist-id';
+  $o_1157->attrs[] = $o_1158;
   $o_1159 = new AttrSpec();
-  $o_1159->name = 'itemid';
-  $o_1158->attrs[] = $o_1159;
+  $o_1159->name = 'data-player-id';
+  $o_1159->mandatory = true;
+  $o_1159->value_regex_casei = '[0-9a-z]{8}';
+  $o_1157->attrs[] = $o_1159;
   $o_1160 = new AttrSpec();
-  $o_1160->name = 'itemprop';
-  $o_1158->attrs[] = $o_1160;
-  $o_1161 = new AttrSpec();
-  $o_1161->name = 'itemref';
-  $o_1158->attrs[] = $o_1161;
-  $o_1162 = new AttrSpec();
-  $o_1162->name = 'itemscope';
-  $o_1158->attrs[] = $o_1162;
+  $o_1160->name = 'data-playlist-id';
+  $o_1160->value_regex_casei = '[0-9a-z]{8}';
+  $o_1160->mandatory_oneof = 'data-media-id or data-playlist-id';
+  $o_1157->attrs[] = $o_1160;
+  $o_1157->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-jwplayer.html';
+  $o_1161 = new AmpLayout();
+  $o_1161->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1157->amp_layout = $o_1161;
+  $o_1157->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1157->also_requires_tag = ['amp-jwplayer extension .js script'];
+  $o_1157->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1157;
+  $o_1162 = new TagSpec();
+  $o_1162->tag_name = 'script';
+  $o_1162->spec_name = 'amp-kaltura-player extension .js script';
+  $o_1162->mandatory_parent = 'head';
   $o_1163 = new AttrSpec();
-  $o_1163->name = 'itemtype';
-  $o_1158->attrs[] = $o_1163;
+  $o_1163->name = 'async';
+  $o_1163->mandatory = true;
+  $o_1163->value = '';
+  $o_1162->attrs[] = $o_1163;
   $o_1164 = new AttrSpec();
-  $o_1164->name = 'accesskey';
-  $o_1158->attrs[] = $o_1164;
+  $o_1164->name = 'custom-element';
+  $o_1164->mandatory = true;
+  $o_1164->value = 'amp-kaltura-player';
+  $o_1164->dispatch_key = true;
+  $o_1162->attrs[] = $o_1164;
   $o_1165 = new AttrSpec();
-  $o_1165->name = 'class';
-  $o_1158->attrs[] = $o_1165;
+  $o_1165->name = 'nonce';
+  $o_1162->attrs[] = $o_1165;
   $o_1166 = new AttrSpec();
-  $o_1166->name = 'dir';
-  $o_1158->attrs[] = $o_1166;
+  $o_1166->name = 'src';
+  $o_1166->mandatory = true;
+  $o_1166->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-kaltura-player-(latest|0\\.1)\\.js';
+  $o_1162->attrs[] = $o_1166;
   $o_1167 = new AttrSpec();
-  $o_1167->name = 'draggable';
-  $o_1158->attrs[] = $o_1167;
-  $o_1168 = new AttrSpec();
-  $o_1168->name = 'id';
-  $o_1158->attrs[] = $o_1168;
-  $o_1169 = new AttrSpec();
-  $o_1169->name = 'lang';
-  $o_1158->attrs[] = $o_1169;
-  $o_1170 = new AttrSpec();
-  $o_1170->name = 'tabindex';
-  $o_1158->attrs[] = $o_1170;
+  $o_1167->name = 'type';
+  $o_1167->value_casei = 'text/javascript';
+  $o_1162->attrs[] = $o_1167;
+  $o_1162->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-kaltura-player.html';
+  $o_1168 = new CdataSpec();
+  $o_1169 = new BlackListedCDataRegex();
+  $o_1169->regex = '.';
+  $o_1169->error_message = 'contents';
+  $o_1168->blacklisted_cdata_regex[] = $o_1169;
+  $o_1162->cdata = $o_1168;
+  $o_1162->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1162->unique_warning = true;
+  $o_1162->extension_unused_unless_tag_present = ['amp-kaltura-player'];
+  $o_0->tags[] = $o_1162;
+  $o_1170 = new TagSpec();
+  $o_1170->tag_name = 'amp-kaltura-player';
   $o_1171 = new AttrSpec();
-  $o_1171->name = 'title';
-  $o_1158->attrs[] = $o_1171;
-  $o_1172 = new AttrSpec();
-  $o_1172->name = 'translate';
-  $o_1158->attrs[] = $o_1172;
-  $o_1173 = new AttrSpec();
-  $o_1173->name = 'aria-activedescendant';
-  $o_1158->attrs[] = $o_1173;
+  $o_1171->name = 'data-partner';
+  $o_1171->mandatory = true;
+  $o_1170->attrs[] = $o_1171;
+  $o_1170->attr_lists = ['extended-amp-global'];
+  $o_1170->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-kaltura-player.html';
+  $o_1172 = new AmpLayout();
+  $o_1172->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1170->amp_layout = $o_1172;
+  $o_1170->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1170->also_requires_tag = ['amp-kaltura-player extension .js script'];
+  $o_1170->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1170;
+  $o_1173 = new TagSpec();
+  $o_1173->tag_name = 'script';
+  $o_1173->spec_name = 'amp-lightbox extension .js script';
+  $o_1173->mandatory_parent = 'head';
   $o_1174 = new AttrSpec();
-  $o_1174->name = 'aria-atomic';
-  $o_1158->attrs[] = $o_1174;
+  $o_1174->name = 'async';
+  $o_1174->mandatory = true;
+  $o_1174->value = '';
+  $o_1173->attrs[] = $o_1174;
   $o_1175 = new AttrSpec();
-  $o_1175->name = 'aria-autocomplete';
-  $o_1158->attrs[] = $o_1175;
+  $o_1175->name = 'custom-element';
+  $o_1175->mandatory = true;
+  $o_1175->value = 'amp-lightbox';
+  $o_1175->dispatch_key = true;
+  $o_1173->attrs[] = $o_1175;
   $o_1176 = new AttrSpec();
-  $o_1176->name = 'aria-busy';
-  $o_1158->attrs[] = $o_1176;
+  $o_1176->name = 'nonce';
+  $o_1173->attrs[] = $o_1176;
   $o_1177 = new AttrSpec();
-  $o_1177->name = 'aria-checked';
-  $o_1158->attrs[] = $o_1177;
+  $o_1177->name = 'src';
+  $o_1177->mandatory = true;
+  $o_1177->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-lightbox-(latest|0\\.1).js';
+  $o_1173->attrs[] = $o_1177;
   $o_1178 = new AttrSpec();
-  $o_1178->name = 'aria-controls';
-  $o_1158->attrs[] = $o_1178;
-  $o_1179 = new AttrSpec();
-  $o_1179->name = 'aria-describedby';
-  $o_1158->attrs[] = $o_1179;
-  $o_1180 = new AttrSpec();
-  $o_1180->name = 'aria-disabled';
-  $o_1158->attrs[] = $o_1180;
-  $o_1181 = new AttrSpec();
-  $o_1181->name = 'aria-dropeffect';
-  $o_1158->attrs[] = $o_1181;
+  $o_1178->name = 'type';
+  $o_1178->value_casei = 'text/javascript';
+  $o_1173->attrs[] = $o_1178;
+  $o_1173->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-lightbox.html';
+  $o_1179 = new CdataSpec();
+  $o_1180 = new BlackListedCDataRegex();
+  $o_1180->regex = '.';
+  $o_1180->error_message = 'contents';
+  $o_1179->blacklisted_cdata_regex[] = $o_1180;
+  $o_1173->cdata = $o_1179;
+  $o_1173->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1173->unique_warning = true;
+  $o_1173->extension_unused_unless_tag_present = ['amp-lightbox'];
+  $o_0->tags[] = $o_1173;
+  $o_1181 = new TagSpec();
+  $o_1181->tag_name = 'amp-lightbox';
   $o_1182 = new AttrSpec();
-  $o_1182->name = 'aria-expanded';
-  $o_1158->attrs[] = $o_1182;
+  $o_1182->name = 'controls';
+  $o_1181->attrs[] = $o_1182;
   $o_1183 = new AttrSpec();
-  $o_1183->name = 'aria-flowto';
-  $o_1158->attrs[] = $o_1183;
+  $o_1183->name = 'from';
+  $o_1181->attrs[] = $o_1183;
   $o_1184 = new AttrSpec();
-  $o_1184->name = 'aria-grabbed';
-  $o_1158->attrs[] = $o_1184;
-  $o_1185 = new AttrSpec();
-  $o_1185->name = 'aria-haspopup';
-  $o_1158->attrs[] = $o_1185;
-  $o_1186 = new AttrSpec();
-  $o_1186->name = 'aria-hidden';
-  $o_1158->attrs[] = $o_1186;
+  $o_1184->name = 'scrollable';
+  $o_1181->attrs[] = $o_1184;
+  $o_1181->attr_lists = ['extended-amp-global'];
+  $o_1181->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-lightbox.html';
+  $o_1185 = new AmpLayout();
+  $o_1185->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1181->amp_layout = $o_1185;
+  $o_1181->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1181->also_requires_tag = ['amp-lightbox extension .js script'];
+  $o_1181->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1181;
+  $o_1186 = new TagSpec();
+  $o_1186->tag_name = 'script';
+  $o_1186->spec_name = 'amp-list extension .js script';
+  $o_1186->mandatory_parent = 'head';
   $o_1187 = new AttrSpec();
-  $o_1187->name = 'aria-invalid';
-  $o_1158->attrs[] = $o_1187;
+  $o_1187->name = 'async';
+  $o_1187->mandatory = true;
+  $o_1187->value = '';
+  $o_1186->attrs[] = $o_1187;
   $o_1188 = new AttrSpec();
-  $o_1188->name = 'aria-label';
-  $o_1158->attrs[] = $o_1188;
+  $o_1188->name = 'custom-element';
+  $o_1188->mandatory = true;
+  $o_1188->value = 'amp-list';
+  $o_1188->dispatch_key = true;
+  $o_1186->attrs[] = $o_1188;
   $o_1189 = new AttrSpec();
-  $o_1189->name = 'aria-labelledby';
-  $o_1158->attrs[] = $o_1189;
+  $o_1189->name = 'nonce';
+  $o_1186->attrs[] = $o_1189;
   $o_1190 = new AttrSpec();
-  $o_1190->name = 'aria-level';
-  $o_1158->attrs[] = $o_1190;
+  $o_1190->name = 'src';
+  $o_1190->mandatory = true;
+  $o_1190->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-list-(latest|0\\.1).js';
+  $o_1186->attrs[] = $o_1190;
   $o_1191 = new AttrSpec();
-  $o_1191->name = 'aria-live';
-  $o_1158->attrs[] = $o_1191;
-  $o_1192 = new AttrSpec();
-  $o_1192->name = 'aria-multiline';
-  $o_1158->attrs[] = $o_1192;
-  $o_1193 = new AttrSpec();
-  $o_1193->name = 'aria-multiselectable';
-  $o_1158->attrs[] = $o_1193;
-  $o_1194 = new AttrSpec();
-  $o_1194->name = 'aria-orientation';
-  $o_1158->attrs[] = $o_1194;
+  $o_1191->name = 'type';
+  $o_1191->value_casei = 'text/javascript';
+  $o_1186->attrs[] = $o_1191;
+  $o_1186->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-list.html';
+  $o_1192 = new CdataSpec();
+  $o_1193 = new BlackListedCDataRegex();
+  $o_1193->regex = '.';
+  $o_1193->error_message = 'contents';
+  $o_1192->blacklisted_cdata_regex[] = $o_1193;
+  $o_1186->cdata = $o_1192;
+  $o_1186->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1186->unique_warning = true;
+  $o_1186->extension_unused_unless_tag_present = ['amp-list'];
+  $o_0->tags[] = $o_1186;
+  $o_1194 = new TagSpec();
+  $o_1194->tag_name = 'amp-list';
   $o_1195 = new AttrSpec();
-  $o_1195->name = 'aria-owns';
-  $o_1158->attrs[] = $o_1195;
+  $o_1195->name = 'credentials';
+  $o_1194->attrs[] = $o_1195;
   $o_1196 = new AttrSpec();
-  $o_1196->name = 'aria-posinset';
-  $o_1158->attrs[] = $o_1196;
-  $o_1197 = new AttrSpec();
-  $o_1197->name = 'aria-pressed';
-  $o_1158->attrs[] = $o_1197;
+  $o_1196->name = 'src';
+  $o_1196->mandatory = true;
+  $o_1196->blacklisted_value_regex = '__amp_source_origin';
+  $o_1197 = new UrlSpec();
+  $o_1197->allowed_protocol = ['https'];
+  $o_1197->allow_relative = true;
+  $o_1196->value_url = $o_1197;
+  $o_1194->attrs[] = $o_1196;
   $o_1198 = new AttrSpec();
-  $o_1198->name = 'aria-readonly';
-  $o_1158->attrs[] = $o_1198;
+  $o_1198->name = 'items';
+  $o_1194->attrs[] = $o_1198;
   $o_1199 = new AttrSpec();
-  $o_1199->name = 'aria-relevant';
-  $o_1158->attrs[] = $o_1199;
-  $o_1200 = new AttrSpec();
-  $o_1200->name = 'aria-required';
-  $o_1158->attrs[] = $o_1200;
-  $o_1201 = new AttrSpec();
-  $o_1201->name = 'aria-selected';
-  $o_1158->attrs[] = $o_1201;
+  $o_1199->name = 'template';
+  $o_1194->attrs[] = $o_1199;
+  $o_1194->attr_lists = ['extended-amp-global'];
+  $o_1194->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-list.html';
+  $o_1200 = new AmpLayout();
+  $o_1200->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1194->amp_layout = $o_1200;
+  $o_1194->also_requires_tag = ['amp-list extension .js script'];
+  $o_1194->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1194;
+  $o_1201 = new TagSpec();
+  $o_1201->tag_name = 'script';
+  $o_1201->spec_name = 'amp-live-list extension .js script';
+  $o_1201->mandatory_parent = 'head';
   $o_1202 = new AttrSpec();
-  $o_1202->name = 'aria-setsize';
-  $o_1158->attrs[] = $o_1202;
+  $o_1202->name = 'async';
+  $o_1202->mandatory = true;
+  $o_1202->value = '';
+  $o_1201->attrs[] = $o_1202;
   $o_1203 = new AttrSpec();
-  $o_1203->name = 'aria-sort';
-  $o_1158->attrs[] = $o_1203;
+  $o_1203->name = 'custom-element';
+  $o_1203->mandatory = true;
+  $o_1203->value = 'amp-live-list';
+  $o_1203->dispatch_key = true;
+  $o_1201->attrs[] = $o_1203;
   $o_1204 = new AttrSpec();
-  $o_1204->name = 'aria-valuemax';
-  $o_1158->attrs[] = $o_1204;
+  $o_1204->name = 'nonce';
+  $o_1201->attrs[] = $o_1204;
   $o_1205 = new AttrSpec();
-  $o_1205->name = 'aria-valuemin';
-  $o_1158->attrs[] = $o_1205;
+  $o_1205->name = 'src';
+  $o_1205->mandatory = true;
+  $o_1205->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-live-list-(latest|0\\.1).js';
+  $o_1201->attrs[] = $o_1205;
   $o_1206 = new AttrSpec();
-  $o_1206->name = 'aria-valuenow';
-  $o_1158->attrs[] = $o_1206;
-  $o_1207 = new AttrSpec();
-  $o_1207->name = 'aria-valuetext';
-  $o_1158->attrs[] = $o_1207;
-  $o_1208 = new AttrSpec();
-  $o_1208->name = 'on';
-  $o_1209 = new AttrTriggerSpec();
-  $o_1209->if_value_regex = 'tap:.*';
-  $o_1209->also_requires_attr = ['role', 'tabindex'];
-  $o_1208->trigger = $o_1209;
-  $o_1158->attrs[] = $o_1208;
+  $o_1206->name = 'type';
+  $o_1206->value_casei = 'text/javascript';
+  $o_1201->attrs[] = $o_1206;
+  $o_1201->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-live-list.html';
+  $o_1207 = new CdataSpec();
+  $o_1208 = new BlackListedCDataRegex();
+  $o_1208->regex = '.';
+  $o_1208->error_message = 'contents';
+  $o_1207->blacklisted_cdata_regex[] = $o_1208;
+  $o_1201->cdata = $o_1207;
+  $o_1201->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1201->unique_warning = true;
+  $o_1201->extension_unused_unless_tag_present = ['amp-live-list'];
+  $o_0->tags[] = $o_1201;
+  $o_1209 = new TagSpec();
+  $o_1209->tag_name = 'amp-live-list';
   $o_1210 = new AttrSpec();
-  $o_1210->name = 'role';
-  $o_1158->attrs[] = $o_1210;
+  $o_1210->name = 'data-max-items-per-page';
+  $o_1210->mandatory = true;
+  $o_1210->value_regex = '\\d+';
+  $o_1209->attrs[] = $o_1210;
   $o_1211 = new AttrSpec();
-  $o_1211->name = 'placeholder';
-  $o_1211->value = '';
-  $o_1158->attrs[] = $o_1211;
+  $o_1211->name = 'data-poll-interval';
+  $o_1211->value_regex = '\\d{5,}';
+  $o_1209->attrs[] = $o_1211;
   $o_1212 = new AttrSpec();
-  $o_1212->name = 'fallback';
+  $o_1212->name = 'disabled';
   $o_1212->value = '';
-  $o_1158->attrs[] = $o_1212;
+  $o_1209->attrs[] = $o_1212;
   $o_1213 = new AttrSpec();
-  $o_1213->name = 'lightbox';
-  $o_1158->attrs[] = $o_1213;
-  $o_1214 = new AttrSpec();
-  $o_1214->name = 'overflow';
-  $o_1158->attrs[] = $o_1214;
-  $o_1215 = new AttrSpec();
-  $o_1215->name = 'amp-access';
-  $o_1158->attrs[] = $o_1215;
-  $o_1216 = new AttrSpec();
-  $o_1216->name = 'amp-access-behavior';
-  $o_1158->attrs[] = $o_1216;
-  $o_1217 = new AttrSpec();
-  $o_1217->name = 'amp-access-hide';
-  $o_1158->attrs[] = $o_1217;
-  $o_1218 = new AttrSpec();
-  $o_1218->name = 'amp-access-id';
-  $o_1158->attrs[] = $o_1218;
+  $o_1213->name = 'id';
+  $o_1213->mandatory = true;
+  $o_1209->attrs[] = $o_1213;
+  $o_1209->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-live-list.html';
+  $o_1214 = new AmpLayout();
+  $o_1214->supported_layouts = [AmpLayoutLayout::CONTAINER, AmpLayoutLayout::FIXED_HEIGHT];
+  $o_1209->amp_layout = $o_1214;
+  $o_1209->also_requires_tag = ['amp-live-list extension .js script'];
+  $o_1215 = new ReferencePoint();
+  $o_1215->tag_spec_name = 'AMP-LIVE-LIST [update]';
+  $o_1215->mandatory = true;
+  $o_1215->unique = true;
+  $o_1209->reference_points[] = $o_1215;
+  $o_1216 = new ReferencePoint();
+  $o_1216->tag_spec_name = 'AMP-LIVE-LIST [items]';
+  $o_1216->mandatory = true;
+  $o_1216->unique = true;
+  $o_1209->reference_points[] = $o_1216;
+  $o_1217 = new ReferencePoint();
+  $o_1217->tag_spec_name = 'AMP-LIVE-LIST [pagination]';
+  $o_1217->unique = true;
+  $o_1209->reference_points[] = $o_1217;
+  $o_1209->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1209;
+  $o_1218 = new TagSpec();
+  $o_1218->tag_name = '$reference_point';
+  $o_1218->spec_name = 'AMP-LIVE-LIST [update]';
   $o_1219 = new AttrSpec();
-  $o_1219->name = 'amp-access-loader';
-  $o_1158->attrs[] = $o_1219;
-  $o_1220 = new AttrSpec();
-  $o_1220->name = 'amp-access-loading';
-  $o_1158->attrs[] = $o_1220;
+  $o_1219->name = 'update';
+  $o_1219->mandatory = true;
+  $o_1218->attrs[] = $o_1219;
+  $o_1218->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-live-list#update';
+  $o_1218->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1218;
+  $o_1220 = new TagSpec();
+  $o_1220->tag_name = '$reference_point';
+  $o_1220->spec_name = 'AMP-LIVE-LIST [items]';
   $o_1221 = new AttrSpec();
-  $o_1221->name = 'amp-access-off';
-  $o_1158->attrs[] = $o_1221;
-  $o_1222 = new AttrSpec();
-  $o_1222->name = 'amp-access-on';
-  $o_1158->attrs[] = $o_1222;
-  $o_1223 = new AttrSpec();
-  $o_1223->name = 'amp-access-show';
-  $o_1158->attrs[] = $o_1223;
+  $o_1221->name = 'items';
+  $o_1221->mandatory = true;
+  $o_1220->attrs[] = $o_1221;
+  $o_1220->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-live-list#items';
+  $o_1222 = new ReferencePoint();
+  $o_1222->tag_spec_name = 'AMP-LIVE-LIST [items] item';
+  $o_1220->reference_points[] = $o_1222;
+  $o_1220->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1220;
+  $o_1223 = new TagSpec();
+  $o_1223->tag_name = '$reference_point';
+  $o_1223->spec_name = 'AMP-LIVE-LIST [pagination]';
   $o_1224 = new AttrSpec();
-  $o_1224->name = 'amp-access-style';
-  $o_1158->attrs[] = $o_1224;
-  $o_1225 = new AttrSpec();
-  $o_1225->name = 'amp-access-template';
-  $o_1158->attrs[] = $o_1225;
+  $o_1224->name = 'pagination';
+  $o_1224->mandatory = true;
+  $o_1223->attrs[] = $o_1224;
+  $o_1223->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-live-list.html#pagination';
+  $o_1223->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1223;
+  $o_1225 = new TagSpec();
+  $o_1225->tag_name = '$reference_point';
+  $o_1225->spec_name = 'AMP-LIVE-LIST [items] item';
   $o_1226 = new AttrSpec();
-  $o_1226->name = 'i-amp-access-id';
-  $o_1158->attrs[] = $o_1226;
-  $o_0->attr_lists[] = $o_1158;
+  $o_1226->name = 'id';
+  $o_1226->mandatory = true;
+  $o_1225->attrs[] = $o_1226;
+  $o_1227 = new AttrSpec();
+  $o_1227->name = 'data-sort-time';
+  $o_1227->mandatory = true;
+  $o_1225->attrs[] = $o_1227;
+  $o_1228 = new AttrSpec();
+  $o_1228->name = 'data-update-time';
+  $o_1225->attrs[] = $o_1228;
+  $o_1229 = new AttrSpec();
+  $o_1229->name = 'data-tombstone';
+  $o_1225->attrs[] = $o_1229;
+  $o_1225->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-live-list.html#items';
+  $o_1225->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1225;
+  $o_1230 = new TagSpec();
+  $o_1230->tag_name = 'script';
+  $o_1230->spec_name = 'amp-mustache extension .js script';
+  $o_1230->mandatory_parent = 'head';
+  $o_1231 = new AttrSpec();
+  $o_1231->name = 'async';
+  $o_1231->mandatory = true;
+  $o_1231->value = '';
+  $o_1230->attrs[] = $o_1231;
+  $o_1232 = new AttrSpec();
+  $o_1232->name = 'custom-template';
+  $o_1232->mandatory = true;
+  $o_1232->value = 'amp-mustache';
+  $o_1232->dispatch_key = true;
+  $o_1230->attrs[] = $o_1232;
+  $o_1233 = new AttrSpec();
+  $o_1233->name = 'nonce';
+  $o_1230->attrs[] = $o_1233;
+  $o_1234 = new AttrSpec();
+  $o_1234->name = 'src';
+  $o_1234->mandatory = true;
+  $o_1234->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-mustache-(latest|0\\.1).js';
+  $o_1230->attrs[] = $o_1234;
+  $o_1235 = new AttrSpec();
+  $o_1235->name = 'type';
+  $o_1235->value_casei = 'text/javascript';
+  $o_1230->attrs[] = $o_1235;
+  $o_1230->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-mustache.html';
+  $o_1236 = new CdataSpec();
+  $o_1237 = new BlackListedCDataRegex();
+  $o_1237->regex = '.';
+  $o_1237->error_message = 'contents';
+  $o_1236->blacklisted_cdata_regex[] = $o_1237;
+  $o_1230->cdata = $o_1236;
+  $o_1230->unique_warning = true;
+  $o_1230->extension_unused_unless_tag_present = ['template'];
+  $o_0->tags[] = $o_1230;
+  $o_1238 = new TagSpec();
+  $o_1238->tag_name = 'template';
+  $o_1239 = new AttrSpec();
+  $o_1239->name = 'type';
+  $o_1239->mandatory = true;
+  $o_1239->value = 'amp-mustache';
+  $o_1238->attrs[] = $o_1239;
+  $o_1238->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-mustache.html';
+  $o_1238->disallowed_ancestor = ['TEMPLATE'];
+  $o_1238->also_requires_tag = ['amp-mustache extension .js script'];
+  $o_0->tags[] = $o_1238;
+  $o_1240 = new TagSpec();
+  $o_1240->tag_name = 'script';
+  $o_1240->spec_name = 'amp-o2-player extension .js script';
+  $o_1240->mandatory_parent = 'head';
+  $o_1241 = new AttrSpec();
+  $o_1241->name = 'async';
+  $o_1241->mandatory = true;
+  $o_1241->value = '';
+  $o_1240->attrs[] = $o_1241;
+  $o_1242 = new AttrSpec();
+  $o_1242->name = 'custom-element';
+  $o_1242->mandatory = true;
+  $o_1242->value = 'amp-o2-player';
+  $o_1242->dispatch_key = true;
+  $o_1240->attrs[] = $o_1242;
+  $o_1243 = new AttrSpec();
+  $o_1243->name = 'nonce';
+  $o_1240->attrs[] = $o_1243;
+  $o_1244 = new AttrSpec();
+  $o_1244->name = 'src';
+  $o_1244->mandatory = true;
+  $o_1244->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-o2-player-(latest|0\\.1)\\.js';
+  $o_1240->attrs[] = $o_1244;
+  $o_1245 = new AttrSpec();
+  $o_1245->name = 'type';
+  $o_1245->value_casei = 'text/javascript';
+  $o_1240->attrs[] = $o_1245;
+  $o_1240->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-o2-player.html';
+  $o_1246 = new CdataSpec();
+  $o_1247 = new BlackListedCDataRegex();
+  $o_1247->regex = '.';
+  $o_1247->error_message = 'contents';
+  $o_1246->blacklisted_cdata_regex[] = $o_1247;
+  $o_1240->cdata = $o_1246;
+  $o_1240->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1240->unique_warning = true;
+  $o_1240->extension_unused_unless_tag_present = ['amp-o2-player'];
+  $o_0->tags[] = $o_1240;
+  $o_1248 = new TagSpec();
+  $o_1248->tag_name = 'amp-o2-player';
+  $o_1249 = new AttrSpec();
+  $o_1249->name = 'data-bcid';
+  $o_1249->mandatory = true;
+  $o_1248->attrs[] = $o_1249;
+  $o_1250 = new AttrSpec();
+  $o_1250->name = 'data-bid';
+  $o_1248->attrs[] = $o_1250;
+  $o_1251 = new AttrSpec();
+  $o_1251->name = 'data-pid';
+  $o_1251->mandatory = true;
+  $o_1248->attrs[] = $o_1251;
+  $o_1252 = new AttrSpec();
+  $o_1252->name = 'data-vid';
+  $o_1248->attrs[] = $o_1252;
+  $o_1248->attr_lists = ['extended-amp-global'];
+  $o_1248->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-o2-player.html';
+  $o_1253 = new AmpLayout();
+  $o_1253->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1248->amp_layout = $o_1253;
+  $o_1248->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1248->also_requires_tag = ['amp-o2-player extension .js script'];
+  $o_1248->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1248;
+  $o_1254 = new TagSpec();
+  $o_1254->tag_name = 'script';
+  $o_1254->spec_name = 'amp-ooyala-player extension .js script';
+  $o_1254->unique = true;
+  $o_1254->mandatory_parent = 'head';
+  $o_1255 = new AttrSpec();
+  $o_1255->name = 'async';
+  $o_1255->mandatory = true;
+  $o_1255->value = '';
+  $o_1254->attrs[] = $o_1255;
+  $o_1256 = new AttrSpec();
+  $o_1256->name = 'custom-element';
+  $o_1256->mandatory = true;
+  $o_1256->value = 'amp-ooyala-player';
+  $o_1256->dispatch_key = true;
+  $o_1254->attrs[] = $o_1256;
+  $o_1257 = new AttrSpec();
+  $o_1257->name = 'nonce';
+  $o_1254->attrs[] = $o_1257;
+  $o_1258 = new AttrSpec();
+  $o_1258->name = 'src';
+  $o_1258->mandatory = true;
+  $o_1258->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-ooyala-player-(latest|0\\.1)\\.js';
+  $o_1254->attrs[] = $o_1258;
+  $o_1259 = new AttrSpec();
+  $o_1259->name = 'type';
+  $o_1259->value = 'text/javascript';
+  $o_1254->attrs[] = $o_1259;
+  $o_1254->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-ooyala-player.html';
+  $o_1260 = new CdataSpec();
+  $o_1261 = new BlackListedCDataRegex();
+  $o_1261->regex = '.';
+  $o_1261->error_message = 'contents';
+  $o_1260->blacklisted_cdata_regex[] = $o_1261;
+  $o_1254->cdata = $o_1260;
+  $o_1254->also_requires_tag = ['amp-ooyala-player'];
+  $o_0->tags[] = $o_1254;
+  $o_1262 = new TagSpec();
+  $o_1262->tag_name = 'amp-ooyala-player';
+  $o_1263 = new AttrSpec();
+  $o_1263->name = 'data-config';
+  $o_1262->attrs[] = $o_1263;
+  $o_1264 = new AttrSpec();
+  $o_1264->name = 'data-embedcode';
+  $o_1264->mandatory = true;
+  $o_1262->attrs[] = $o_1264;
+  $o_1265 = new AttrSpec();
+  $o_1265->name = 'data-pcode';
+  $o_1265->mandatory = true;
+  $o_1262->attrs[] = $o_1265;
+  $o_1266 = new AttrSpec();
+  $o_1266->name = 'data-playerid';
+  $o_1266->mandatory = true;
+  $o_1262->attrs[] = $o_1266;
+  $o_1267 = new AttrSpec();
+  $o_1267->name = 'data-playerversion';
+  $o_1262->attrs[] = $o_1267;
+  $o_1262->attr_lists = ['extended-amp-global'];
+  $o_1262->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-ooyala-player.html';
+  $o_1268 = new AmpLayout();
+  $o_1268->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1262->amp_layout = $o_1268;
+  $o_1262->also_requires_tag = ['amp-ooyala-player extension .js script'];
+  $o_1262->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1262;
+  $o_1269 = new TagSpec();
+  $o_1269->tag_name = 'script';
+  $o_1269->spec_name = 'amp-pinterest extension .js script';
+  $o_1269->mandatory_parent = 'head';
+  $o_1270 = new AttrSpec();
+  $o_1270->name = 'async';
+  $o_1270->mandatory = true;
+  $o_1270->value = '';
+  $o_1269->attrs[] = $o_1270;
+  $o_1271 = new AttrSpec();
+  $o_1271->name = 'custom-element';
+  $o_1271->mandatory = true;
+  $o_1271->value = 'amp-pinterest';
+  $o_1271->dispatch_key = true;
+  $o_1269->attrs[] = $o_1271;
+  $o_1272 = new AttrSpec();
+  $o_1272->name = 'nonce';
+  $o_1269->attrs[] = $o_1272;
+  $o_1273 = new AttrSpec();
+  $o_1273->name = 'src';
+  $o_1273->mandatory = true;
+  $o_1273->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-pinterest-(latest|0\\.1).js';
+  $o_1269->attrs[] = $o_1273;
+  $o_1274 = new AttrSpec();
+  $o_1274->name = 'type';
+  $o_1274->value_casei = 'text/javascript';
+  $o_1269->attrs[] = $o_1274;
+  $o_1269->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-pinterest.html';
+  $o_1275 = new CdataSpec();
+  $o_1276 = new BlackListedCDataRegex();
+  $o_1276->regex = '.';
+  $o_1276->error_message = 'contents';
+  $o_1275->blacklisted_cdata_regex[] = $o_1276;
+  $o_1269->cdata = $o_1275;
+  $o_1269->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1269->unique_warning = true;
+  $o_1269->extension_unused_unless_tag_present = ['amp-pinterest'];
+  $o_0->tags[] = $o_1269;
+  $o_1277 = new TagSpec();
+  $o_1277->tag_name = 'amp-pinterest';
+  $o_1278 = new AttrSpec();
+  $o_1278->name = 'data-do';
+  $o_1278->mandatory = true;
+  $o_1277->attrs[] = $o_1278;
+  $o_1277->attr_lists = ['extended-amp-global'];
+  $o_1277->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-pinterest.html';
+  $o_1279 = new AmpLayout();
+  $o_1279->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1277->amp_layout = $o_1279;
+  $o_1277->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1277->also_requires_tag = ['amp-pinterest extension .js script'];
+  $o_1277->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1277;
+  $o_1280 = new TagSpec();
+  $o_1280->tag_name = 'script';
+  $o_1280->spec_name = 'amp-playbuzz extension .js script';
+  $o_1280->unique = true;
+  $o_1280->mandatory_parent = 'head';
+  $o_1281 = new AttrSpec();
+  $o_1281->name = 'async';
+  $o_1281->mandatory = true;
+  $o_1281->value = '';
+  $o_1280->attrs[] = $o_1281;
+  $o_1282 = new AttrSpec();
+  $o_1282->name = 'custom-element';
+  $o_1282->mandatory = true;
+  $o_1282->value = 'amp-playbuzz';
+  $o_1282->dispatch_key = true;
+  $o_1280->attrs[] = $o_1282;
+  $o_1283 = new AttrSpec();
+  $o_1283->name = 'nonce';
+  $o_1280->attrs[] = $o_1283;
+  $o_1284 = new AttrSpec();
+  $o_1284->name = 'src';
+  $o_1284->mandatory = true;
+  $o_1284->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-playbuzz-(latest|0\\.1).js';
+  $o_1280->attrs[] = $o_1284;
+  $o_1285 = new AttrSpec();
+  $o_1285->name = 'type';
+  $o_1285->value_casei = 'text/javascript';
+  $o_1280->attrs[] = $o_1285;
+  $o_1280->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-playbuzz';
+  $o_1286 = new CdataSpec();
+  $o_1287 = new BlackListedCDataRegex();
+  $o_1287->regex = '.';
+  $o_1287->error_message = 'contents';
+  $o_1286->blacklisted_cdata_regex[] = $o_1287;
+  $o_1280->cdata = $o_1286;
+  $o_1280->also_requires_tag = ['amp-playbuzz'];
+  $o_1280->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1280;
+  $o_1288 = new TagSpec();
+  $o_1288->tag_name = 'amp-playbuzz';
+  $o_1289 = new AttrSpec();
+  $o_1289->name = 'data-comments';
+  $o_1289->value_regex_casei = '(false|true)';
+  $o_1288->attrs[] = $o_1289;
+  $o_1290 = new AttrSpec();
+  $o_1290->name = 'data-item-info';
+  $o_1290->value_regex_casei = '(false|true)';
+  $o_1288->attrs[] = $o_1290;
+  $o_1291 = new AttrSpec();
+  $o_1291->name = 'data-share-buttons';
+  $o_1291->value_regex_casei = '(false|true)';
+  $o_1288->attrs[] = $o_1291;
+  $o_1292 = new AttrSpec();
+  $o_1292->name = 'src';
+  $o_1292->mandatory = true;
+  $o_1288->attrs[] = $o_1292;
+  $o_1288->attr_lists = ['extended-amp-global'];
+  $o_1288->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-playbuzz';
+  $o_1293 = new AmpLayout();
+  $o_1293->supported_layouts = [AmpLayoutLayout::RESPONSIVE, AmpLayoutLayout::FIXED_HEIGHT];
+  $o_1288->amp_layout = $o_1293;
+  $o_1288->also_requires_tag = ['amp-playbuzz extension .js script'];
+  $o_1288->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1288;
+  $o_1294 = new TagSpec();
+  $o_1294->tag_name = 'script';
+  $o_1294->spec_name = 'amp-reach-player extension .js script';
+  $o_1294->mandatory_parent = 'head';
+  $o_1295 = new AttrSpec();
+  $o_1295->name = 'async';
+  $o_1295->mandatory = true;
+  $o_1295->value = '';
+  $o_1294->attrs[] = $o_1295;
+  $o_1296 = new AttrSpec();
+  $o_1296->name = 'custom-element';
+  $o_1296->mandatory = true;
+  $o_1296->value = 'amp-reach-player';
+  $o_1296->dispatch_key = true;
+  $o_1294->attrs[] = $o_1296;
+  $o_1297 = new AttrSpec();
+  $o_1297->name = 'nonce';
+  $o_1294->attrs[] = $o_1297;
+  $o_1298 = new AttrSpec();
+  $o_1298->name = 'src';
+  $o_1298->mandatory = true;
+  $o_1298->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-reach-player-(latest|0\\.1).js';
+  $o_1294->attrs[] = $o_1298;
+  $o_1299 = new AttrSpec();
+  $o_1299->name = 'type';
+  $o_1299->value_casei = 'text/javascript';
+  $o_1294->attrs[] = $o_1299;
+  $o_1294->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-reach-player.html';
+  $o_1300 = new CdataSpec();
+  $o_1301 = new BlackListedCDataRegex();
+  $o_1301->regex = '.';
+  $o_1301->error_message = 'contents';
+  $o_1300->blacklisted_cdata_regex[] = $o_1301;
+  $o_1294->cdata = $o_1300;
+  $o_1294->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1294->unique_warning = true;
+  $o_1294->extension_unused_unless_tag_present = ['amp-reach-player'];
+  $o_0->tags[] = $o_1294;
+  $o_1302 = new TagSpec();
+  $o_1302->tag_name = 'amp-reach-player';
+  $o_1303 = new AttrSpec();
+  $o_1303->name = 'data-embed-id';
+  $o_1303->mandatory = true;
+  $o_1303->value_regex = '[0-9a-z-]+';
+  $o_1302->attrs[] = $o_1303;
+  $o_1302->attr_lists = ['extended-amp-global'];
+  $o_1302->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-reach-player.html';
+  $o_1304 = new AmpLayout();
+  $o_1304->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1302->amp_layout = $o_1304;
+  $o_1302->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1302->also_requires_tag = ['amp-reach-player extension .js script'];
+  $o_1302->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1302;
+  $o_1305 = new TagSpec();
+  $o_1305->tag_name = 'script';
+  $o_1305->spec_name = 'amp-reddit extension .js script';
+  $o_1305->mandatory_parent = 'head';
+  $o_1306 = new AttrSpec();
+  $o_1306->name = 'async';
+  $o_1306->mandatory = true;
+  $o_1306->value = '';
+  $o_1305->attrs[] = $o_1306;
+  $o_1307 = new AttrSpec();
+  $o_1307->name = 'custom-element';
+  $o_1307->mandatory = true;
+  $o_1307->value = 'amp-reddit';
+  $o_1307->dispatch_key = true;
+  $o_1305->attrs[] = $o_1307;
+  $o_1308 = new AttrSpec();
+  $o_1308->name = 'nonce';
+  $o_1305->attrs[] = $o_1308;
+  $o_1309 = new AttrSpec();
+  $o_1309->name = 'src';
+  $o_1309->mandatory = true;
+  $o_1309->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-reddit-(latest|0\\.1).js';
+  $o_1305->attrs[] = $o_1309;
+  $o_1310 = new AttrSpec();
+  $o_1310->name = 'type';
+  $o_1310->value = 'text/javascript';
+  $o_1305->attrs[] = $o_1310;
+  $o_1305->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-reddit';
+  $o_1311 = new CdataSpec();
+  $o_1312 = new BlackListedCDataRegex();
+  $o_1312->regex = '.';
+  $o_1312->error_message = 'contents';
+  $o_1311->blacklisted_cdata_regex[] = $o_1312;
+  $o_1305->cdata = $o_1311;
+  $o_1305->also_requires_tag = ['amp-reddit'];
+  $o_1305->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1305->unique_warning = true;
+  $o_1305->extension_unused_unless_tag_present = ['amp-reddit'];
+  $o_0->tags[] = $o_1305;
+  $o_1313 = new TagSpec();
+  $o_1313->tag_name = 'amp-reddit';
+  $o_1314 = new AttrSpec();
+  $o_1314->name = 'data-embedlive';
+  $o_1314->value_regex_casei = '(false|true)';
+  $o_1313->attrs[] = $o_1314;
+  $o_1315 = new AttrSpec();
+  $o_1315->name = 'data-embedparent';
+  $o_1315->value_regex_casei = '(false|true)';
+  $o_1313->attrs[] = $o_1315;
+  $o_1316 = new AttrSpec();
+  $o_1316->name = 'data-embedtype';
+  $o_1316->mandatory = true;
+  $o_1316->value_regex_casei = '(comment|post)';
+  $o_1313->attrs[] = $o_1316;
+  $o_1317 = new AttrSpec();
+  $o_1317->name = 'data-src';
+  $o_1317->mandatory = true;
+  $o_1313->attrs[] = $o_1317;
+  $o_1313->attr_lists = ['extended-amp-global'];
+  $o_1313->spec_url = 'https://www.ampproject.org/docs/reference/components/amp-reddit';
+  $o_1318 = new AmpLayout();
+  $o_1318->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1313->amp_layout = $o_1318;
+  $o_1313->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1313->also_requires_tag = ['amp-reddit extension .js script'];
+  $o_1313->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1313;
+  $o_1319 = new TagSpec();
+  $o_1319->tag_name = 'script';
+  $o_1319->spec_name = 'amp-selector extension .js script';
+  $o_1319->unique = true;
+  $o_1319->mandatory_parent = 'head';
+  $o_1320 = new AttrSpec();
+  $o_1320->name = 'async';
+  $o_1320->mandatory = true;
+  $o_1320->value = '';
+  $o_1319->attrs[] = $o_1320;
+  $o_1321 = new AttrSpec();
+  $o_1321->name = 'custom-element';
+  $o_1321->mandatory = true;
+  $o_1321->value = 'amp-selector';
+  $o_1321->dispatch_key = true;
+  $o_1319->attrs[] = $o_1321;
+  $o_1322 = new AttrSpec();
+  $o_1322->name = 'nonce';
+  $o_1319->attrs[] = $o_1322;
+  $o_1323 = new AttrSpec();
+  $o_1323->name = 'src';
+  $o_1323->mandatory = true;
+  $o_1323->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-selector-(latest|0\\.1).js';
+  $o_1319->attrs[] = $o_1323;
+  $o_1324 = new AttrSpec();
+  $o_1324->name = 'type';
+  $o_1324->value_casei = 'text/javascript';
+  $o_1319->attrs[] = $o_1324;
+  $o_1319->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-selector.html';
+  $o_1325 = new CdataSpec();
+  $o_1326 = new BlackListedCDataRegex();
+  $o_1326->regex = '.';
+  $o_1326->error_message = 'contents';
+  $o_1325->blacklisted_cdata_regex[] = $o_1326;
+  $o_1319->cdata = $o_1325;
+  $o_1319->also_requires_tag = ['amp-selector'];
+  $o_1319->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1319->extension_unused_unless_tag_present = ['amp-selector'];
+  $o_0->tags[] = $o_1319;
+  $o_1327 = new TagSpec();
+  $o_1327->tag_name = 'amp-selector';
+  $o_1328 = new AttrSpec();
+  $o_1328->name = 'disabled';
+  $o_1328->value = '';
+  $o_1327->attrs[] = $o_1328;
+  $o_1329 = new AttrSpec();
+  $o_1329->name = 'form';
+  $o_1327->attrs[] = $o_1329;
+  $o_1330 = new AttrSpec();
+  $o_1330->name = 'multiple';
+  $o_1330->value = '';
+  $o_1327->attrs[] = $o_1330;
+  $o_1327->attr_lists = ['extended-amp-global', 'input-name-attr'];
+  $o_1327->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-selector.html';
+  $o_1331 = new AmpLayout();
+  $o_1331->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE, AmpLayoutLayout::CONTAINER];
+  $o_1327->amp_layout = $o_1331;
+  $o_1327->disallowed_ancestor = ['AMP-SELECTOR', 'AMP-SIDEBAR'];
+  $o_1327->also_requires_tag = ['amp-selector extension .js script'];
+  $o_1332 = new ReferencePoint();
+  $o_1332->tag_spec_name = 'AMP-SELECTOR option';
+  $o_1327->reference_points[] = $o_1332;
+  $o_1333 = new ReferencePoint();
+  $o_1333->tag_spec_name = 'AMP-SELECTOR child';
+  $o_1327->reference_points[] = $o_1333;
+  $o_1327->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1327;
+  $o_1334 = new TagSpec();
+  $o_1334->tag_name = '$reference_point';
+  $o_1334->spec_name = 'AMP-SELECTOR option';
+  $o_1335 = new AttrSpec();
+  $o_1335->name = 'option';
+  $o_1335->mandatory = true;
+  $o_1334->attrs[] = $o_1335;
+  $o_1336 = new AttrSpec();
+  $o_1336->name = 'disabled';
+  $o_1336->value = '';
+  $o_1334->attrs[] = $o_1336;
+  $o_1337 = new AttrSpec();
+  $o_1337->name = 'selected';
+  $o_1337->value = '';
+  $o_1334->attrs[] = $o_1337;
+  $o_1334->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-selector.html';
+  $o_1334->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1334;
+  $o_1338 = new TagSpec();
+  $o_1338->tag_name = '$reference_point';
+  $o_1338->spec_name = 'AMP-SELECTOR child';
+  $o_1339 = new ReferencePoint();
+  $o_1339->tag_spec_name = 'AMP-SELECTOR option';
+  $o_1338->reference_points[] = $o_1339;
+  $o_1340 = new ReferencePoint();
+  $o_1340->tag_spec_name = 'AMP-SELECTOR child';
+  $o_1338->reference_points[] = $o_1340;
+  $o_1338->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1338;
+  $o_1341 = new TagSpec();
+  $o_1341->tag_name = 'script';
+  $o_1341->spec_name = 'amp-sidebar extension .js script';
+  $o_1341->mandatory_parent = 'head';
+  $o_1342 = new AttrSpec();
+  $o_1342->name = 'async';
+  $o_1342->mandatory = true;
+  $o_1342->value = '';
+  $o_1341->attrs[] = $o_1342;
+  $o_1343 = new AttrSpec();
+  $o_1343->name = 'custom-element';
+  $o_1343->mandatory = true;
+  $o_1343->value = 'amp-sidebar';
+  $o_1343->dispatch_key = true;
+  $o_1341->attrs[] = $o_1343;
+  $o_1344 = new AttrSpec();
+  $o_1344->name = 'nonce';
+  $o_1341->attrs[] = $o_1344;
+  $o_1345 = new AttrSpec();
+  $o_1345->name = 'src';
+  $o_1345->mandatory = true;
+  $o_1345->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-sidebar-(latest|0\\.1).js';
+  $o_1341->attrs[] = $o_1345;
+  $o_1346 = new AttrSpec();
+  $o_1346->name = 'type';
+  $o_1346->value_casei = 'text/javascript';
+  $o_1341->attrs[] = $o_1346;
+  $o_1341->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sidebar.html';
+  $o_1347 = new CdataSpec();
+  $o_1348 = new BlackListedCDataRegex();
+  $o_1348->regex = '.';
+  $o_1348->error_message = 'contents';
+  $o_1347->blacklisted_cdata_regex[] = $o_1348;
+  $o_1341->cdata = $o_1347;
+  $o_1341->html_format = [TagSpecHtmlFormat::AMP];
+  $o_1341->unique_warning = true;
+  $o_1341->extension_unused_unless_tag_present = ['amp-sidebar'];
+  $o_0->tags[] = $o_1341;
+  $o_1349 = new TagSpec();
+  $o_1349->tag_name = 'amp-sidebar';
+  $o_1349->unique = true;
+  $o_1349->mandatory_parent = 'body';
+  $o_1350 = new AttrSpec();
+  $o_1350->name = 'side';
+  $o_1350->value_regex = '(left|right)';
+  $o_1349->attrs[] = $o_1350;
+  $o_1349->attr_lists = ['extended-amp-global'];
+  $o_1349->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sidebar.html';
+  $o_1351 = new AmpLayout();
+  $o_1351->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1349->amp_layout = $o_1351;
+  $o_1349->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1349->also_requires_tag = ['amp-sidebar extension .js script'];
+  $o_1349->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1349;
+  $o_1352 = new TagSpec();
+  $o_1352->tag_name = 'script';
+  $o_1352->spec_name = 'amp-slides extension .js script';
+  $o_1352->mandatory_parent = 'head';
+  $o_1353 = new AttrSpec();
+  $o_1353->name = 'async';
+  $o_1353->mandatory = true;
+  $o_1353->value = '';
+  $o_1352->attrs[] = $o_1353;
+  $o_1354 = new AttrSpec();
+  $o_1354->name = 'custom-element';
+  $o_1354->mandatory = true;
+  $o_1354->value = 'amp-slides';
+  $o_1354->dispatch_key = true;
+  $o_1352->attrs[] = $o_1354;
+  $o_1355 = new AttrSpec();
+  $o_1355->name = 'nonce';
+  $o_1352->attrs[] = $o_1355;
+  $o_1356 = new AttrSpec();
+  $o_1356->name = 'src';
+  $o_1356->mandatory = true;
+  $o_1356->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-slides-(latest|0\\.1).js';
+  $o_1352->attrs[] = $o_1356;
+  $o_1357 = new AttrSpec();
+  $o_1357->name = 'type';
+  $o_1357->value_casei = 'text/javascript';
+  $o_1352->attrs[] = $o_1357;
+  $o_1352->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-slides.html';
+  $o_1358 = new CdataSpec();
+  $o_1359 = new BlackListedCDataRegex();
+  $o_1359->regex = '.';
+  $o_1359->error_message = 'contents';
+  $o_1358->blacklisted_cdata_regex[] = $o_1359;
+  $o_1352->cdata = $o_1358;
+  $o_1352->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1352->unique_warning = true;
+  $o_0->tags[] = $o_1352;
+  $o_1360 = new TagSpec();
+  $o_1360->tag_name = 'script';
+  $o_1360->spec_name = 'amp-social-share extension .js script';
+  $o_1360->mandatory_parent = 'head';
+  $o_1361 = new AttrSpec();
+  $o_1361->name = 'async';
+  $o_1361->mandatory = true;
+  $o_1361->value = '';
+  $o_1360->attrs[] = $o_1361;
+  $o_1362 = new AttrSpec();
+  $o_1362->name = 'custom-element';
+  $o_1362->mandatory = true;
+  $o_1362->value = 'amp-social-share';
+  $o_1362->dispatch_key = true;
+  $o_1360->attrs[] = $o_1362;
+  $o_1363 = new AttrSpec();
+  $o_1363->name = 'nonce';
+  $o_1360->attrs[] = $o_1363;
+  $o_1364 = new AttrSpec();
+  $o_1364->name = 'src';
+  $o_1364->mandatory = true;
+  $o_1364->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-social-share-(latest|0\\.1)\\.js';
+  $o_1360->attrs[] = $o_1364;
+  $o_1365 = new AttrSpec();
+  $o_1365->name = 'type';
+  $o_1365->value_casei = 'text/javascript';
+  $o_1360->attrs[] = $o_1365;
+  $o_1360->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-social-share.html';
+  $o_1366 = new CdataSpec();
+  $o_1367 = new BlackListedCDataRegex();
+  $o_1367->regex = '.';
+  $o_1367->error_message = 'contents';
+  $o_1366->blacklisted_cdata_regex[] = $o_1367;
+  $o_1360->cdata = $o_1366;
+  $o_1360->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1360->unique_warning = true;
+  $o_1360->extension_unused_unless_tag_present = ['amp-social-share'];
+  $o_0->tags[] = $o_1360;
+  $o_1368 = new TagSpec();
+  $o_1368->tag_name = 'amp-social-share';
+  $o_1369 = new AttrSpec();
+  $o_1369->name = 'data-share-endpoint';
+  $o_1369->blacklisted_value_regex = '__amp_source_origin';
+  $o_1370 = new UrlSpec();
+  $o_1370->allowed_protocol = ['ftp', 'http', 'https', 'mailto', 'bbmi', 'fb-messenger', 'intent', 'line', 'skype', 'sms', 'snapchat', 'tel', 'tg', 'threema', 'viber', 'whatsapp'];
+  $o_1370->allow_relative = false;
+  $o_1369->value_url = $o_1370;
+  $o_1368->attrs[] = $o_1369;
+  $o_1371 = new AttrSpec();
+  $o_1371->name = 'type';
+  $o_1371->mandatory = true;
+  $o_1368->attrs[] = $o_1371;
+  $o_1368->attr_lists = ['extended-amp-global'];
+  $o_1368->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-social-share.html';
+  $o_1372 = new AmpLayout();
+  $o_1372->supported_layouts = [AmpLayoutLayout::CONTAINER, AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1368->amp_layout = $o_1372;
+  $o_1368->also_requires_tag = ['amp-social-share extension .js script'];
+  $o_1368->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1368;
+  $o_1373 = new TagSpec();
+  $o_1373->tag_name = 'script';
+  $o_1373->spec_name = 'amp-soundcloud extension .js script';
+  $o_1373->mandatory_parent = 'head';
+  $o_1374 = new AttrSpec();
+  $o_1374->name = 'async';
+  $o_1374->mandatory = true;
+  $o_1374->value = '';
+  $o_1373->attrs[] = $o_1374;
+  $o_1375 = new AttrSpec();
+  $o_1375->name = 'custom-element';
+  $o_1375->mandatory = true;
+  $o_1375->value = 'amp-soundcloud';
+  $o_1375->dispatch_key = true;
+  $o_1373->attrs[] = $o_1375;
+  $o_1376 = new AttrSpec();
+  $o_1376->name = 'nonce';
+  $o_1373->attrs[] = $o_1376;
+  $o_1377 = new AttrSpec();
+  $o_1377->name = 'src';
+  $o_1377->mandatory = true;
+  $o_1377->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-soundcloud-(latest|0\\.1)\\.js';
+  $o_1373->attrs[] = $o_1377;
+  $o_1378 = new AttrSpec();
+  $o_1378->name = 'type';
+  $o_1378->value_casei = 'text/javascript';
+  $o_1373->attrs[] = $o_1378;
+  $o_1373->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-soundcloud.html';
+  $o_1379 = new CdataSpec();
+  $o_1380 = new BlackListedCDataRegex();
+  $o_1380->regex = '.';
+  $o_1380->error_message = 'contents';
+  $o_1379->blacklisted_cdata_regex[] = $o_1380;
+  $o_1373->cdata = $o_1379;
+  $o_1373->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1373->unique_warning = true;
+  $o_1373->extension_unused_unless_tag_present = ['amp-soundcloud'];
+  $o_0->tags[] = $o_1373;
+  $o_1381 = new TagSpec();
+  $o_1381->tag_name = 'amp-soundcloud';
+  $o_1382 = new AttrSpec();
+  $o_1382->name = 'data-color';
+  $o_1382->value_regex_casei = '([0-9a-f]{3}){1,2}';
+  $o_1381->attrs[] = $o_1382;
+  $o_1383 = new AttrSpec();
+  $o_1383->name = 'data-secret-token';
+  $o_1383->value_regex = '[A-Za-z0-9_-]+';
+  $o_1381->attrs[] = $o_1383;
+  $o_1384 = new AttrSpec();
+  $o_1384->name = 'data-trackid';
+  $o_1384->mandatory = true;
+  $o_1384->value_regex = '[0-9]+';
+  $o_1381->attrs[] = $o_1384;
+  $o_1385 = new AttrSpec();
+  $o_1385->name = 'data-visual';
+  $o_1385->value_regex = 'true|false';
+  $o_1381->attrs[] = $o_1385;
+  $o_1381->attr_lists = ['extended-amp-global'];
+  $o_1381->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-soundcloud.html';
+  $o_1386 = new AmpLayout();
+  $o_1386->supported_layouts = [AmpLayoutLayout::FIXED_HEIGHT];
+  $o_1381->amp_layout = $o_1386;
+  $o_1381->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1381->also_requires_tag = ['amp-soundcloud extension .js script'];
+  $o_1381->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1381;
+  $o_1387 = new TagSpec();
+  $o_1387->tag_name = 'script';
+  $o_1387->spec_name = 'amp-springboard-player extension .js script';
+  $o_1387->mandatory_parent = 'head';
+  $o_1388 = new AttrSpec();
+  $o_1388->name = 'async';
+  $o_1388->mandatory = true;
+  $o_1388->value = '';
+  $o_1387->attrs[] = $o_1388;
+  $o_1389 = new AttrSpec();
+  $o_1389->name = 'custom-element';
+  $o_1389->mandatory = true;
+  $o_1389->value = 'amp-springboard-player';
+  $o_1389->dispatch_key = true;
+  $o_1387->attrs[] = $o_1389;
+  $o_1390 = new AttrSpec();
+  $o_1390->name = 'nonce';
+  $o_1387->attrs[] = $o_1390;
+  $o_1391 = new AttrSpec();
+  $o_1391->name = 'src';
+  $o_1391->mandatory = true;
+  $o_1391->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-springboard-player-(latest|0\\.1)\\.js';
+  $o_1387->attrs[] = $o_1391;
+  $o_1392 = new AttrSpec();
+  $o_1392->name = 'type';
+  $o_1392->value_casei = 'text/javascript';
+  $o_1387->attrs[] = $o_1392;
+  $o_1387->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html';
+  $o_1393 = new CdataSpec();
+  $o_1394 = new BlackListedCDataRegex();
+  $o_1394->regex = '.';
+  $o_1394->error_message = 'contents';
+  $o_1393->blacklisted_cdata_regex[] = $o_1394;
+  $o_1387->cdata = $o_1393;
+  $o_1387->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1387->unique_warning = true;
+  $o_1387->extension_unused_unless_tag_present = ['amp-springboard-player'];
+  $o_0->tags[] = $o_1387;
+  $o_1395 = new TagSpec();
+  $o_1395->tag_name = 'amp-springboard-player';
+  $o_1396 = new AttrSpec();
+  $o_1396->name = 'data-content-id';
+  $o_1396->mandatory = true;
+  $o_1395->attrs[] = $o_1396;
+  $o_1397 = new AttrSpec();
+  $o_1397->name = 'data-domain';
+  $o_1397->mandatory = true;
+  $o_1395->attrs[] = $o_1397;
+  $o_1398 = new AttrSpec();
+  $o_1398->name = 'data-items';
+  $o_1398->mandatory = true;
+  $o_1395->attrs[] = $o_1398;
+  $o_1399 = new AttrSpec();
+  $o_1399->name = 'data-mode';
+  $o_1399->mandatory = true;
+  $o_1399->value_regex_casei = 'playlist|video';
+  $o_1395->attrs[] = $o_1399;
+  $o_1400 = new AttrSpec();
+  $o_1400->name = 'data-player-id';
+  $o_1400->mandatory = true;
+  $o_1400->value_regex_casei = '[a-z0-9]+';
+  $o_1395->attrs[] = $o_1400;
+  $o_1401 = new AttrSpec();
+  $o_1401->name = 'data-site-id';
+  $o_1401->mandatory = true;
+  $o_1401->value_regex = '[0-9]+';
+  $o_1395->attrs[] = $o_1401;
+  $o_1395->attr_lists = ['extended-amp-global'];
+  $o_1395->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html';
+  $o_1402 = new AmpLayout();
+  $o_1402->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1395->amp_layout = $o_1402;
+  $o_1395->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1395->also_requires_tag = ['amp-springboard-player extension .js script'];
+  $o_1395->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1395;
+  $o_1403 = new TagSpec();
+  $o_1403->tag_name = 'script';
+  $o_1403->spec_name = 'amp-sticky-ad extension .js script';
+  $o_1403->unique = true;
+  $o_1403->mandatory_parent = 'head';
+  $o_1404 = new AttrSpec();
+  $o_1404->name = 'async';
+  $o_1404->mandatory = true;
+  $o_1404->value = '';
+  $o_1403->attrs[] = $o_1404;
+  $o_1405 = new AttrSpec();
+  $o_1405->name = 'custom-element';
+  $o_1405->mandatory = true;
+  $o_1405->value = 'amp-sticky-ad';
+  $o_1405->dispatch_key = true;
+  $o_1403->attrs[] = $o_1405;
+  $o_1406 = new AttrSpec();
+  $o_1406->name = 'nonce';
+  $o_1403->attrs[] = $o_1406;
+  $o_1407 = new AttrSpec();
+  $o_1407->name = 'src';
+  $o_1407->mandatory = true;
+  $o_1407->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-sticky-ad-(latest|0\\.1||1\\.0)\\.js';
+  $o_1403->attrs[] = $o_1407;
+  $o_1408 = new AttrSpec();
+  $o_1408->name = 'type';
+  $o_1408->value_casei = 'text/javascript';
+  $o_1403->attrs[] = $o_1408;
+  $o_1403->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sticky-ad.html';
+  $o_1409 = new CdataSpec();
+  $o_1410 = new BlackListedCDataRegex();
+  $o_1410->regex = '.';
+  $o_1410->error_message = 'contents';
+  $o_1409->blacklisted_cdata_regex[] = $o_1410;
+  $o_1403->cdata = $o_1409;
+  $o_1403->html_format = [TagSpecHtmlFormat::AMP];
+  $o_1403->extension_unused_unless_tag_present = ['amp-sticky-ad'];
+  $o_0->tags[] = $o_1403;
+  $o_1411 = new TagSpec();
+  $o_1411->tag_name = 'amp-sticky-ad';
+  $o_1411->unique = true;
+  $o_1411->attr_lists = ['extended-amp-global'];
+  $o_1411->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-sticky-ad.html';
+  $o_1412 = new AmpLayout();
+  $o_1412->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1411->amp_layout = $o_1412;
+  $o_1411->disallowed_ancestor = ['AMP-APP-BANNER', 'AMP-SIDEBAR'];
+  $o_1411->also_requires_tag = ['amp-sticky-ad extension .js script'];
+  $o_1413 = new ChildTagSpec();
+  $o_1413->mandatory_num_child_tags = 1;
+  $o_1413->first_child_tag_name_oneof = ['AMP-AD'];
+  $o_1411->child_tags = $o_1413;
+  $o_1411->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1411;
+  $o_1414 = new TagSpec();
+  $o_1414->tag_name = 'script';
+  $o_1414->spec_name = 'amp-twitter extension .js script';
+  $o_1414->mandatory_parent = 'head';
+  $o_1415 = new AttrSpec();
+  $o_1415->name = 'async';
+  $o_1415->mandatory = true;
+  $o_1415->value = '';
+  $o_1414->attrs[] = $o_1415;
+  $o_1416 = new AttrSpec();
+  $o_1416->name = 'custom-element';
+  $o_1416->mandatory = true;
+  $o_1416->value = 'amp-twitter';
+  $o_1416->dispatch_key = true;
+  $o_1414->attrs[] = $o_1416;
+  $o_1417 = new AttrSpec();
+  $o_1417->name = 'nonce';
+  $o_1414->attrs[] = $o_1417;
+  $o_1418 = new AttrSpec();
+  $o_1418->name = 'src';
+  $o_1418->mandatory = true;
+  $o_1418->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-twitter-(latest|0\\.1).js';
+  $o_1414->attrs[] = $o_1418;
+  $o_1419 = new AttrSpec();
+  $o_1419->name = 'type';
+  $o_1419->value_casei = 'text/javascript';
+  $o_1414->attrs[] = $o_1419;
+  $o_1414->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-twitter.html';
+  $o_1420 = new CdataSpec();
+  $o_1421 = new BlackListedCDataRegex();
+  $o_1421->regex = '.';
+  $o_1421->error_message = 'contents';
+  $o_1420->blacklisted_cdata_regex[] = $o_1421;
+  $o_1414->cdata = $o_1420;
+  $o_1414->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1414->unique_warning = true;
+  $o_1414->extension_unused_unless_tag_present = ['amp-twitter'];
+  $o_0->tags[] = $o_1414;
+  $o_1422 = new TagSpec();
+  $o_1422->tag_name = 'amp-twitter';
+  $o_1423 = new AttrSpec();
+  $o_1423->name = 'data-tweetid';
+  $o_1423->mandatory = true;
+  $o_1422->attrs[] = $o_1423;
+  $o_1422->attr_lists = ['extended-amp-global'];
+  $o_1422->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-twitter.html';
+  $o_1424 = new AmpLayout();
+  $o_1424->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1422->amp_layout = $o_1424;
+  $o_1422->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1422->also_requires_tag = ['amp-twitter extension .js script'];
+  $o_1422->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1422;
+  $o_1425 = new TagSpec();
+  $o_1425->tag_name = 'script';
+  $o_1425->spec_name = 'amp-user-notification extension .js script';
+  $o_1425->mandatory_parent = 'head';
+  $o_1426 = new AttrSpec();
+  $o_1426->name = 'async';
+  $o_1426->mandatory = true;
+  $o_1426->value = '';
+  $o_1425->attrs[] = $o_1426;
+  $o_1427 = new AttrSpec();
+  $o_1427->name = 'custom-element';
+  $o_1427->mandatory = true;
+  $o_1427->value = 'amp-user-notification';
+  $o_1427->dispatch_key = true;
+  $o_1425->attrs[] = $o_1427;
+  $o_1428 = new AttrSpec();
+  $o_1428->name = 'nonce';
+  $o_1425->attrs[] = $o_1428;
+  $o_1429 = new AttrSpec();
+  $o_1429->name = 'src';
+  $o_1429->mandatory = true;
+  $o_1429->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-user-notification-(latest|0\\.1).js';
+  $o_1425->attrs[] = $o_1429;
+  $o_1430 = new AttrSpec();
+  $o_1430->name = 'type';
+  $o_1430->value_casei = 'text/javascript';
+  $o_1425->attrs[] = $o_1430;
+  $o_1425->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-user-notification.html';
+  $o_1431 = new CdataSpec();
+  $o_1432 = new BlackListedCDataRegex();
+  $o_1432->regex = '.';
+  $o_1432->error_message = 'contents';
+  $o_1431->blacklisted_cdata_regex[] = $o_1432;
+  $o_1425->cdata = $o_1431;
+  $o_1425->html_format = [TagSpecHtmlFormat::AMP];
+  $o_1425->unique_warning = true;
+  $o_1425->extension_unused_unless_tag_present = ['amp-user-notification'];
+  $o_0->tags[] = $o_1425;
+  $o_1433 = new TagSpec();
+  $o_1433->tag_name = 'amp-user-notification';
+  $o_1434 = new AttrSpec();
+  $o_1434->name = 'data-dismiss-href';
+  $o_1435 = new UrlSpec();
+  $o_1435->allowed_protocol = ['https'];
+  $o_1435->allow_relative = false;
+  $o_1435->allow_empty = false;
+  $o_1434->value_url = $o_1435;
+  $o_1433->attrs[] = $o_1434;
+  $o_1436 = new AttrSpec();
+  $o_1436->name = 'data-show-if-href';
+  $o_1437 = new UrlSpec();
+  $o_1437->allowed_protocol = ['https'];
+  $o_1437->allow_relative = false;
+  $o_1437->allow_empty = false;
+  $o_1436->value_url = $o_1437;
+  $o_1433->attrs[] = $o_1436;
+  $o_1433->attr_lists = ['extended-amp-global'];
+  $o_1433->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-user-notification.html';
+  $o_1438 = new AmpLayout();
+  $o_1438->supported_layouts = [AmpLayoutLayout::NODISPLAY];
+  $o_1433->amp_layout = $o_1438;
+  $o_1433->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1433->also_requires_tag = ['amp-analytics extension .js script', 'amp-user-notification extension .js script'];
+  $o_1433->html_format = [TagSpecHtmlFormat::AMP];
+  $o_0->tags[] = $o_1433;
+  $o_1439 = new TagSpec();
+  $o_1439->tag_name = 'script';
+  $o_1439->spec_name = 'amp-video extension .js script';
+  $o_1439->unique = true;
+  $o_1439->mandatory_parent = 'head';
+  $o_1440 = new AttrSpec();
+  $o_1440->name = 'async';
+  $o_1440->mandatory = true;
+  $o_1440->value = '';
+  $o_1439->attrs[] = $o_1440;
+  $o_1441 = new AttrSpec();
+  $o_1441->name = 'custom-element';
+  $o_1441->mandatory = true;
+  $o_1441->value = 'amp-video';
+  $o_1441->dispatch_key = true;
+  $o_1439->attrs[] = $o_1441;
+  $o_1442 = new AttrSpec();
+  $o_1442->name = 'nonce';
+  $o_1439->attrs[] = $o_1442;
+  $o_1443 = new AttrSpec();
+  $o_1443->name = 'src';
+  $o_1443->mandatory = true;
+  $o_1443->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-video-(latest|0\\.1)\\.js';
+  $o_1439->attrs[] = $o_1443;
+  $o_1444 = new AttrSpec();
+  $o_1444->name = 'type';
+  $o_1444->value_casei = 'text/javascript';
+  $o_1439->attrs[] = $o_1444;
+  $o_1439->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-video.html';
+  $o_1445 = new CdataSpec();
+  $o_1446 = new BlackListedCDataRegex();
+  $o_1446->regex = '.';
+  $o_1446->error_message = 'contents';
+  $o_1445->blacklisted_cdata_regex[] = $o_1446;
+  $o_1439->cdata = $o_1445;
+  $o_1439->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1439->extension_unused_unless_tag_present = ['amp-video'];
+  $o_0->tags[] = $o_1439;
+  $o_1447 = new TagSpec();
+  $o_1447->tag_name = 'amp-video';
+  $o_1448 = new AttrSpec();
+  $o_1448->name = 'alt';
+  $o_1447->attrs[] = $o_1448;
+  $o_1449 = new AttrSpec();
+  $o_1449->name = 'attribution';
+  $o_1447->attrs[] = $o_1449;
+  $o_1450 = new AttrSpec();
+  $o_1450->name = 'autoplay';
+  $o_1450->value = '';
+  $o_1447->attrs[] = $o_1450;
+  $o_1451 = new AttrSpec();
+  $o_1451->name = 'controls';
+  $o_1451->value = '';
+  $o_1447->attrs[] = $o_1451;
+  $o_1452 = new AttrSpec();
+  $o_1452->name = 'loop';
+  $o_1452->value = '';
+  $o_1447->attrs[] = $o_1452;
+  $o_1453 = new AttrSpec();
+  $o_1453->name = 'muted';
+  $o_1453->value = '';
+  $o_1447->attrs[] = $o_1453;
+  $o_1454 = new AttrSpec();
+  $o_1454->name = 'placeholder';
+  $o_1447->attrs[] = $o_1454;
+  $o_1455 = new AttrSpec();
+  $o_1455->name = 'poster';
+  $o_1447->attrs[] = $o_1455;
+  $o_1456 = new AttrSpec();
+  $o_1456->name = 'preload';
+  $o_1456->value_regex = '(none|metadata|auto|)';
+  $o_1447->attrs[] = $o_1456;
+  $o_1457 = new AttrSpec();
+  $o_1457->name = 'src';
+  $o_1457->blacklisted_value_regex = '__amp_source_origin';
+  $o_1458 = new UrlSpec();
+  $o_1458->allowed_protocol = ['https'];
+  $o_1458->allow_relative = true;
+  $o_1457->value_url = $o_1458;
+  $o_1447->attrs[] = $o_1457;
+  $o_1447->attr_lists = ['extended-amp-global'];
+  $o_1447->spec_url = 'https://www.ampproject.org/docs/reference/amp-video.html';
+  $o_1459 = new AmpLayout();
+  $o_1459->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1447->amp_layout = $o_1459;
+  $o_1447->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1447->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1447->also_requires_tag_warning = ['amp-video extension .js script'];
+  $o_0->tags[] = $o_1447;
+  $o_1460 = new TagSpec();
+  $o_1460->tag_name = 'script';
+  $o_1460->spec_name = 'amp-vimeo extension .js script';
+  $o_1460->mandatory_parent = 'head';
+  $o_1461 = new AttrSpec();
+  $o_1461->name = 'async';
+  $o_1461->mandatory = true;
+  $o_1461->value = '';
+  $o_1460->attrs[] = $o_1461;
+  $o_1462 = new AttrSpec();
+  $o_1462->name = 'custom-element';
+  $o_1462->mandatory = true;
+  $o_1462->value = 'amp-vimeo';
+  $o_1462->dispatch_key = true;
+  $o_1460->attrs[] = $o_1462;
+  $o_1463 = new AttrSpec();
+  $o_1463->name = 'nonce';
+  $o_1460->attrs[] = $o_1463;
+  $o_1464 = new AttrSpec();
+  $o_1464->name = 'src';
+  $o_1464->mandatory = true;
+  $o_1464->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-vimeo-(latest|0\\.1)\\.js';
+  $o_1460->attrs[] = $o_1464;
+  $o_1465 = new AttrSpec();
+  $o_1465->name = 'type';
+  $o_1465->value_casei = 'text/javascript';
+  $o_1460->attrs[] = $o_1465;
+  $o_1460->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vimeo.html';
+  $o_1466 = new CdataSpec();
+  $o_1467 = new BlackListedCDataRegex();
+  $o_1467->regex = '.';
+  $o_1467->error_message = 'contents';
+  $o_1466->blacklisted_cdata_regex[] = $o_1467;
+  $o_1460->cdata = $o_1466;
+  $o_1460->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1460->unique_warning = true;
+  $o_1460->extension_unused_unless_tag_present = ['amp-vimeo'];
+  $o_0->tags[] = $o_1460;
+  $o_1468 = new TagSpec();
+  $o_1468->tag_name = 'amp-vimeo';
+  $o_1469 = new AttrSpec();
+  $o_1469->name = 'data-videoid';
+  $o_1469->mandatory = true;
+  $o_1469->value_regex = '[0-9]+';
+  $o_1468->attrs[] = $o_1469;
+  $o_1468->attr_lists = ['extended-amp-global'];
+  $o_1468->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vimeo.html';
+  $o_1470 = new AmpLayout();
+  $o_1470->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::RESPONSIVE];
+  $o_1468->amp_layout = $o_1470;
+  $o_1468->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1468->also_requires_tag = ['amp-vimeo extension .js script'];
+  $o_1468->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1468;
+  $o_1471 = new TagSpec();
+  $o_1471->tag_name = 'script';
+  $o_1471->spec_name = 'amp-vine extension .js script';
+  $o_1471->mandatory_parent = 'head';
+  $o_1472 = new AttrSpec();
+  $o_1472->name = 'async';
+  $o_1472->mandatory = true;
+  $o_1472->value = '';
+  $o_1471->attrs[] = $o_1472;
+  $o_1473 = new AttrSpec();
+  $o_1473->name = 'custom-element';
+  $o_1473->mandatory = true;
+  $o_1473->value = 'amp-vine';
+  $o_1473->dispatch_key = true;
+  $o_1471->attrs[] = $o_1473;
+  $o_1474 = new AttrSpec();
+  $o_1474->name = 'nonce';
+  $o_1471->attrs[] = $o_1474;
+  $o_1475 = new AttrSpec();
+  $o_1475->name = 'src';
+  $o_1475->mandatory = true;
+  $o_1475->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-vine-(latest|0\\.1).js';
+  $o_1471->attrs[] = $o_1475;
+  $o_1476 = new AttrSpec();
+  $o_1476->name = 'type';
+  $o_1476->value_casei = 'text/javascript';
+  $o_1471->attrs[] = $o_1476;
+  $o_1471->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vine.html';
+  $o_1477 = new CdataSpec();
+  $o_1478 = new BlackListedCDataRegex();
+  $o_1478->regex = '.';
+  $o_1478->error_message = 'contents';
+  $o_1477->blacklisted_cdata_regex[] = $o_1478;
+  $o_1471->cdata = $o_1477;
+  $o_1471->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1471->unique_warning = true;
+  $o_1471->extension_unused_unless_tag_present = ['amp-vine'];
+  $o_0->tags[] = $o_1471;
+  $o_1479 = new TagSpec();
+  $o_1479->tag_name = 'amp-vine';
+  $o_1480 = new AttrSpec();
+  $o_1480->name = 'data-vineid';
+  $o_1480->mandatory = true;
+  $o_1479->attrs[] = $o_1480;
+  $o_1479->attr_lists = ['extended-amp-global'];
+  $o_1479->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-vine.html';
+  $o_1481 = new AmpLayout();
+  $o_1481->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1479->amp_layout = $o_1481;
+  $o_1479->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1479->also_requires_tag = ['amp-vine extension .js script'];
+  $o_1479->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1479;
+  $o_1482 = new TagSpec();
+  $o_1482->tag_name = 'script';
+  $o_1482->spec_name = 'amp-youtube extension .js script';
+  $o_1482->mandatory_parent = 'head';
+  $o_1483 = new AttrSpec();
+  $o_1483->name = 'async';
+  $o_1483->mandatory = true;
+  $o_1483->value = '';
+  $o_1482->attrs[] = $o_1483;
+  $o_1484 = new AttrSpec();
+  $o_1484->name = 'custom-element';
+  $o_1484->mandatory = true;
+  $o_1484->value = 'amp-youtube';
+  $o_1484->dispatch_key = true;
+  $o_1482->attrs[] = $o_1484;
+  $o_1485 = new AttrSpec();
+  $o_1485->name = 'nonce';
+  $o_1482->attrs[] = $o_1485;
+  $o_1486 = new AttrSpec();
+  $o_1486->name = 'src';
+  $o_1486->mandatory = true;
+  $o_1486->value_regex = 'https://cdn\\.ampproject\\.org/v0/amp-youtube-(latest|0\\.1)\\.js';
+  $o_1482->attrs[] = $o_1486;
+  $o_1487 = new AttrSpec();
+  $o_1487->name = 'type';
+  $o_1487->value_casei = 'text/javascript';
+  $o_1482->attrs[] = $o_1487;
+  $o_1482->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-youtube.html';
+  $o_1488 = new CdataSpec();
+  $o_1489 = new BlackListedCDataRegex();
+  $o_1489->regex = '.';
+  $o_1489->error_message = 'contents';
+  $o_1488->blacklisted_cdata_regex[] = $o_1489;
+  $o_1482->cdata = $o_1488;
+  $o_1482->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_1482->unique_warning = true;
+  $o_1482->extension_unused_unless_tag_present = ['amp-youtube'];
+  $o_0->tags[] = $o_1482;
+  $o_1490 = new TagSpec();
+  $o_1490->tag_name = 'amp-youtube';
+  $o_1491 = new AttrSpec();
+  $o_1491->name = 'autoplay';
+  $o_1490->attrs[] = $o_1491;
+  $o_1492 = new AttrSpec();
+  $o_1492->name = 'data-videoid';
+  $o_1492->mandatory = true;
+  $o_1492->value_regex = '[^=/?:]+';
+  $o_1490->attrs[] = $o_1492;
+  $o_1490->attr_lists = ['extended-amp-global'];
+  $o_1490->spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-youtube.html';
+  $o_1493 = new AmpLayout();
+  $o_1493->supported_layouts = [AmpLayoutLayout::FILL, AmpLayoutLayout::FIXED, AmpLayoutLayout::FIXED_HEIGHT, AmpLayoutLayout::FLEX_ITEM, AmpLayoutLayout::NODISPLAY, AmpLayoutLayout::RESPONSIVE];
+  $o_1490->amp_layout = $o_1493;
+  $o_1490->disallowed_ancestor = ['AMP-SIDEBAR'];
+  $o_1490->also_requires_tag = ['amp-youtube extension .js script'];
+  $o_1490->html_format = [TagSpecHtmlFormat::AMP, TagSpecHtmlFormat::AMP4ADS];
+  $o_0->tags[] = $o_1490;
+  $o_0->min_validator_revision_required = 210;
+  $o_0->spec_file_revision = 358;
+  $o_1494 = new AttrList();
+  $o_1494->name = 'common-link-attrs';
+  $o_1495 = new AttrSpec();
+  $o_1495->name = 'media';
+  $o_1494->attrs[] = $o_1495;
+  $o_1496 = new AttrSpec();
+  $o_1496->name = 'sizes';
+  $o_1494->attrs[] = $o_1496;
+  $o_1497 = new AttrSpec();
+  $o_1497->name = 'target';
+  $o_1494->attrs[] = $o_1497;
+  $o_1498 = new AttrSpec();
+  $o_1498->name = 'type';
+  $o_1494->attrs[] = $o_1498;
+  $o_1499 = new AttrSpec();
+  $o_1499->name = 'hreflang';
+  $o_1494->attrs[] = $o_1499;
+  $o_1500 = new AttrSpec();
+  $o_1500->name = 'charset';
+  $o_1500->value_casei = 'utf-8';
+  $o_1494->attrs[] = $o_1500;
+  $o_1501 = new AttrSpec();
+  $o_1501->name = 'color';
+  $o_1494->attrs[] = $o_1501;
+  $o_0->attr_lists[] = $o_1494;
+  $o_1502 = new AttrList();
+  $o_1502->name = 'cite-attr';
+  $o_1503 = new AttrSpec();
+  $o_1503->name = 'cite';
+  $o_1503->blacklisted_value_regex = '__amp_source_origin';
+  $o_1504 = new UrlSpec();
+  $o_1504->allowed_protocol = ['http', 'https', 'mailto', 'ftp', 'fb-messenger', 'intent', 'skype', 'sms', 'snapchat', 'tel', 'tg', 'threema', 'twitter', 'viber', 'whatsapp'];
+  $o_1504->allow_relative = true;
+  $o_1504->allow_empty = true;
+  $o_1503->value_url = $o_1504;
+  $o_1502->attrs[] = $o_1503;
+  $o_0->attr_lists[] = $o_1502;
+  $o_1505 = new AttrList();
+  $o_1505->name = 'track-attrs-no-subtitles';
+  $o_1506 = new AttrSpec();
+  $o_1506->name = 'src';
+  $o_1506->mandatory = true;
+  $o_1506->blacklisted_value_regex = '__amp_source_origin';
+  $o_1507 = new UrlSpec();
+  $o_1507->allowed_protocol = ['https'];
+  $o_1507->allow_relative = false;
+  $o_1506->value_url = $o_1507;
+  $o_1505->attrs[] = $o_1506;
+  $o_1508 = new AttrSpec();
+  $o_1508->name = 'default';
+  $o_1508->value = '';
+  $o_1505->attrs[] = $o_1508;
+  $o_1509 = new AttrSpec();
+  $o_1509->name = 'kind';
+  $o_1509->value_regex = '(captions|descriptions|chapters|metadata)';
+  $o_1505->attrs[] = $o_1509;
+  $o_1510 = new AttrSpec();
+  $o_1510->name = 'label';
+  $o_1505->attrs[] = $o_1510;
+  $o_1511 = new AttrSpec();
+  $o_1511->name = 'srclang';
+  $o_1505->attrs[] = $o_1511;
+  $o_0->attr_lists[] = $o_1505;
+  $o_1512 = new AttrList();
+  $o_1512->name = 'track-attrs-subtitles';
+  $o_1513 = new AttrSpec();
+  $o_1513->name = 'src';
+  $o_1513->mandatory = true;
+  $o_1513->blacklisted_value_regex = '__amp_source_origin';
+  $o_1514 = new UrlSpec();
+  $o_1514->allowed_protocol = ['https'];
+  $o_1514->allow_relative = false;
+  $o_1513->value_url = $o_1514;
+  $o_1512->attrs[] = $o_1513;
+  $o_1515 = new AttrSpec();
+  $o_1515->name = 'default';
+  $o_1515->value = '';
+  $o_1512->attrs[] = $o_1515;
+  $o_1516 = new AttrSpec();
+  $o_1516->name = 'kind';
+  $o_1516->mandatory = true;
+  $o_1516->value_casei = 'subtitles';
+  $o_1512->attrs[] = $o_1516;
+  $o_1517 = new AttrSpec();
+  $o_1517->name = 'label';
+  $o_1512->attrs[] = $o_1517;
+  $o_1518 = new AttrSpec();
+  $o_1518->name = 'srclang';
+  $o_1518->mandatory = true;
+  $o_1512->attrs[] = $o_1518;
+  $o_0->attr_lists[] = $o_1512;
+  $o_1519 = new AttrList();
+  $o_1519->name = 'svg-conditional-processing-attributes';
+  $o_1520 = new AttrSpec();
+  $o_1520->name = 'requiredextensions';
+  $o_1519->attrs[] = $o_1520;
+  $o_1521 = new AttrSpec();
+  $o_1521->name = 'requiredfeatures';
+  $o_1519->attrs[] = $o_1521;
+  $o_1522 = new AttrSpec();
+  $o_1522->name = 'systemlanguage';
+  $o_1519->attrs[] = $o_1522;
+  $o_0->attr_lists[] = $o_1519;
+  $o_1523 = new AttrList();
+  $o_1523->name = 'svg-core-attributes';
+  $o_1524 = new AttrSpec();
+  $o_1524->name = 'xml:base';
+  $o_1523->attrs[] = $o_1524;
+  $o_1525 = new AttrSpec();
+  $o_1525->name = 'xml:lang';
+  $o_1523->attrs[] = $o_1525;
+  $o_1526 = new AttrSpec();
+  $o_1526->name = 'xml:space';
+  $o_1523->attrs[] = $o_1526;
+  $o_1527 = new AttrSpec();
+  $o_1527->name = 'xmlns';
+  $o_1523->attrs[] = $o_1527;
+  $o_1528 = new AttrSpec();
+  $o_1528->name = 'xmlns:xlink';
+  $o_1523->attrs[] = $o_1528;
+  $o_0->attr_lists[] = $o_1523;
+  $o_1529 = new AttrList();
+  $o_1529->name = 'svg-filter-primitive-attributes';
+  $o_1530 = new AttrSpec();
+  $o_1530->name = 'height';
+  $o_1529->attrs[] = $o_1530;
+  $o_1531 = new AttrSpec();
+  $o_1531->name = 'result';
+  $o_1529->attrs[] = $o_1531;
+  $o_1532 = new AttrSpec();
+  $o_1532->name = 'width';
+  $o_1529->attrs[] = $o_1532;
+  $o_1533 = new AttrSpec();
+  $o_1533->name = 'x';
+  $o_1529->attrs[] = $o_1533;
+  $o_1534 = new AttrSpec();
+  $o_1534->name = 'y';
+  $o_1529->attrs[] = $o_1534;
+  $o_0->attr_lists[] = $o_1529;
+  $o_1535 = new AttrList();
+  $o_1535->name = 'svg-presentation-attributes';
+  $o_1536 = new AttrSpec();
+  $o_1536->name = 'alignment-baseline';
+  $o_1535->attrs[] = $o_1536;
+  $o_1537 = new AttrSpec();
+  $o_1537->name = 'baseline-shift';
+  $o_1535->attrs[] = $o_1537;
+  $o_1538 = new AttrSpec();
+  $o_1538->name = 'clip';
+  $o_1535->attrs[] = $o_1538;
+  $o_1539 = new AttrSpec();
+  $o_1539->name = 'clip-path';
+  $o_1535->attrs[] = $o_1539;
+  $o_1540 = new AttrSpec();
+  $o_1540->name = 'clip-rule';
+  $o_1535->attrs[] = $o_1540;
+  $o_1541 = new AttrSpec();
+  $o_1541->name = 'color';
+  $o_1535->attrs[] = $o_1541;
+  $o_1542 = new AttrSpec();
+  $o_1542->name = 'color-interpolation';
+  $o_1535->attrs[] = $o_1542;
+  $o_1543 = new AttrSpec();
+  $o_1543->name = 'color-interpolation-filters';
+  $o_1535->attrs[] = $o_1543;
+  $o_1544 = new AttrSpec();
+  $o_1544->name = 'color-profile';
+  $o_1535->attrs[] = $o_1544;
+  $o_1545 = new AttrSpec();
+  $o_1545->name = 'color-rendering';
+  $o_1535->attrs[] = $o_1545;
+  $o_1546 = new AttrSpec();
+  $o_1546->name = 'cursor';
+  $o_1535->attrs[] = $o_1546;
+  $o_1547 = new AttrSpec();
+  $o_1547->name = 'direction';
+  $o_1535->attrs[] = $o_1547;
+  $o_1548 = new AttrSpec();
+  $o_1548->name = 'display';
+  $o_1535->attrs[] = $o_1548;
+  $o_1549 = new AttrSpec();
+  $o_1549->name = 'dominant-baseline';
+  $o_1535->attrs[] = $o_1549;
+  $o_1550 = new AttrSpec();
+  $o_1550->name = 'enable-background';
+  $o_1535->attrs[] = $o_1550;
+  $o_1551 = new AttrSpec();
+  $o_1551->name = 'fill';
+  $o_1535->attrs[] = $o_1551;
+  $o_1552 = new AttrSpec();
+  $o_1552->name = 'fill-opacity';
+  $o_1535->attrs[] = $o_1552;
+  $o_1553 = new AttrSpec();
+  $o_1553->name = 'fill-rule';
+  $o_1535->attrs[] = $o_1553;
+  $o_1554 = new AttrSpec();
+  $o_1554->name = 'filter';
+  $o_1535->attrs[] = $o_1554;
+  $o_1555 = new AttrSpec();
+  $o_1555->name = 'flood-color';
+  $o_1535->attrs[] = $o_1555;
+  $o_1556 = new AttrSpec();
+  $o_1556->name = 'flood-opacity';
+  $o_1535->attrs[] = $o_1556;
+  $o_1557 = new AttrSpec();
+  $o_1557->name = 'font-family';
+  $o_1535->attrs[] = $o_1557;
+  $o_1558 = new AttrSpec();
+  $o_1558->name = 'font-size';
+  $o_1535->attrs[] = $o_1558;
+  $o_1559 = new AttrSpec();
+  $o_1559->name = 'font-size-adjust';
+  $o_1535->attrs[] = $o_1559;
+  $o_1560 = new AttrSpec();
+  $o_1560->name = 'font-stretch';
+  $o_1535->attrs[] = $o_1560;
+  $o_1561 = new AttrSpec();
+  $o_1561->name = 'font-style';
+  $o_1535->attrs[] = $o_1561;
+  $o_1562 = new AttrSpec();
+  $o_1562->name = 'font-variant';
+  $o_1535->attrs[] = $o_1562;
+  $o_1563 = new AttrSpec();
+  $o_1563->name = 'font-weight';
+  $o_1535->attrs[] = $o_1563;
+  $o_1564 = new AttrSpec();
+  $o_1564->name = 'glyph-orientation-horizontal';
+  $o_1535->attrs[] = $o_1564;
+  $o_1565 = new AttrSpec();
+  $o_1565->name = 'glyph-orientation-vertical';
+  $o_1535->attrs[] = $o_1565;
+  $o_1566 = new AttrSpec();
+  $o_1566->name = 'image-rendering';
+  $o_1535->attrs[] = $o_1566;
+  $o_1567 = new AttrSpec();
+  $o_1567->name = 'kerning';
+  $o_1535->attrs[] = $o_1567;
+  $o_1568 = new AttrSpec();
+  $o_1568->name = 'letter-spacing';
+  $o_1535->attrs[] = $o_1568;
+  $o_1569 = new AttrSpec();
+  $o_1569->name = 'lighting-color';
+  $o_1535->attrs[] = $o_1569;
+  $o_1570 = new AttrSpec();
+  $o_1570->name = 'marker-end';
+  $o_1535->attrs[] = $o_1570;
+  $o_1571 = new AttrSpec();
+  $o_1571->name = 'marker-mid';
+  $o_1535->attrs[] = $o_1571;
+  $o_1572 = new AttrSpec();
+  $o_1572->name = 'marker-start';
+  $o_1535->attrs[] = $o_1572;
+  $o_1573 = new AttrSpec();
+  $o_1573->name = 'mask';
+  $o_1535->attrs[] = $o_1573;
+  $o_1574 = new AttrSpec();
+  $o_1574->name = 'opacity';
+  $o_1535->attrs[] = $o_1574;
+  $o_1575 = new AttrSpec();
+  $o_1575->name = 'overflow';
+  $o_1535->attrs[] = $o_1575;
+  $o_1576 = new AttrSpec();
+  $o_1576->name = 'pointer-events';
+  $o_1535->attrs[] = $o_1576;
+  $o_1577 = new AttrSpec();
+  $o_1577->name = 'shape-rendering';
+  $o_1535->attrs[] = $o_1577;
+  $o_1578 = new AttrSpec();
+  $o_1578->name = 'stop-color';
+  $o_1535->attrs[] = $o_1578;
+  $o_1579 = new AttrSpec();
+  $o_1579->name = 'stop-opacity';
+  $o_1535->attrs[] = $o_1579;
+  $o_1580 = new AttrSpec();
+  $o_1580->name = 'stroke';
+  $o_1535->attrs[] = $o_1580;
+  $o_1581 = new AttrSpec();
+  $o_1581->name = 'stroke-dasharray';
+  $o_1535->attrs[] = $o_1581;
+  $o_1582 = new AttrSpec();
+  $o_1582->name = 'stroke-dashoffset';
+  $o_1535->attrs[] = $o_1582;
+  $o_1583 = new AttrSpec();
+  $o_1583->name = 'stroke-linecap';
+  $o_1535->attrs[] = $o_1583;
+  $o_1584 = new AttrSpec();
+  $o_1584->name = 'stroke-linejoin';
+  $o_1535->attrs[] = $o_1584;
+  $o_1585 = new AttrSpec();
+  $o_1585->name = 'stroke-miterlimit';
+  $o_1535->attrs[] = $o_1585;
+  $o_1586 = new AttrSpec();
+  $o_1586->name = 'stroke-opacity';
+  $o_1535->attrs[] = $o_1586;
+  $o_1587 = new AttrSpec();
+  $o_1587->name = 'stroke-width';
+  $o_1535->attrs[] = $o_1587;
+  $o_1588 = new AttrSpec();
+  $o_1588->name = 'text-anchor';
+  $o_1535->attrs[] = $o_1588;
+  $o_1589 = new AttrSpec();
+  $o_1589->name = 'text-decoration';
+  $o_1535->attrs[] = $o_1589;
+  $o_1590 = new AttrSpec();
+  $o_1590->name = 'text-rendering';
+  $o_1535->attrs[] = $o_1590;
+  $o_1591 = new AttrSpec();
+  $o_1591->name = 'unicode-bidi';
+  $o_1535->attrs[] = $o_1591;
+  $o_1592 = new AttrSpec();
+  $o_1592->name = 'visibility';
+  $o_1535->attrs[] = $o_1592;
+  $o_1593 = new AttrSpec();
+  $o_1593->name = 'word-spacing';
+  $o_1535->attrs[] = $o_1593;
+  $o_1594 = new AttrSpec();
+  $o_1594->name = 'writing-mode';
+  $o_1535->attrs[] = $o_1594;
+  $o_0->attr_lists[] = $o_1535;
+  $o_1595 = new AttrList();
+  $o_1595->name = 'svg-transfer-function-attributes';
+  $o_1596 = new AttrSpec();
+  $o_1596->name = 'amplitude';
+  $o_1595->attrs[] = $o_1596;
+  $o_1597 = new AttrSpec();
+  $o_1597->name = 'exponent';
+  $o_1595->attrs[] = $o_1597;
+  $o_1598 = new AttrSpec();
+  $o_1598->name = 'intercept';
+  $o_1595->attrs[] = $o_1598;
+  $o_1599 = new AttrSpec();
+  $o_1599->name = 'offset';
+  $o_1595->attrs[] = $o_1599;
+  $o_1600 = new AttrSpec();
+  $o_1600->name = 'slope';
+  $o_1595->attrs[] = $o_1600;
+  $o_1601 = new AttrSpec();
+  $o_1601->name = 'table';
+  $o_1595->attrs[] = $o_1601;
+  $o_1602 = new AttrSpec();
+  $o_1602->name = 'tablevalues';
+  $o_1595->attrs[] = $o_1602;
+  $o_0->attr_lists[] = $o_1595;
+  $o_1603 = new AttrList();
+  $o_1603->name = 'svg-xlink-attributes';
+  $o_1604 = new AttrSpec();
+  $o_1604->name = 'xlink:actuate';
+  $o_1603->attrs[] = $o_1604;
+  $o_1605 = new AttrSpec();
+  $o_1605->name = 'xlink:arcrole';
+  $o_1603->attrs[] = $o_1605;
+  $o_1606 = new AttrSpec();
+  $o_1606->name = 'xlink:href';
+  $o_1606->value_regex = '#.*';
+  $o_1603->attrs[] = $o_1606;
+  $o_1607 = new AttrSpec();
+  $o_1607->name = 'xlink:role';
+  $o_1603->attrs[] = $o_1607;
+  $o_1608 = new AttrSpec();
+  $o_1608->name = 'xlink:show';
+  $o_1603->attrs[] = $o_1608;
+  $o_1609 = new AttrSpec();
+  $o_1609->name = 'xlink:title';
+  $o_1603->attrs[] = $o_1609;
+  $o_1610 = new AttrSpec();
+  $o_1610->name = 'xlink:type';
+  $o_1603->attrs[] = $o_1610;
+  $o_0->attr_lists[] = $o_1603;
+  $o_1611 = new AttrList();
+  $o_1611->name = 'input-name-attr';
+  $o_1612 = new AttrSpec();
+  $o_1612->name = 'name';
+  $o_1612->blacklisted_value_regex = '(^|\\s)(__amp_\\S*|__count__|__defineGetter__|__defineSetter__|__lookupGetter__|__lookupSetter__|__noSuchMethod__|__parent__|__proto__|__AMP_\\S*|\\$p|\\$proxy|acceptCharset|addEventListener|appendChild|assignedSlot|attachShadow|baseURI|checkValidity|childElementCount|childNodes|classList|className|clientHeight|clientLeft|clientTop|clientWidth|compareDocumentPosition|computedName|computedRole|contentEditable|createShadowRoot|enqueAction|firstChild|firstElementChild|getAnimations|getAttribute|getAttributeNS|getAttributeNode|getAttributeNodeNS|getBoundingClientRect|getClientRects|getDestinationInsertionPoints|getElementsByClassName|getElementsByTagName|getElementsByTagNameNS|getRootNode|hasAttribute|hasAttributeNS|hasAttributes|hasChildNodes|hasPointerCapture|innerHTML|innerText|inputMode|insertAdjacentElement|insertAdjacentHTML|insertAdjacentText|isContentEditable|isDefaultNamespace|isEqualNode|isSameNode|lastChild|lastElementChild|lookupNamespaceURI|namespaceURI|nextElementSibling|nextSibling|nodeName|nodeType|nodeValue|offsetHeight|offsetLeft|offsetParent|offsetTop|offsetWidth|outerHTML|outerText|ownerDocument|parentElement|parentNode|previousElementSibling|previousSibling|querySelector|querySelectorAll|releasePointerCapture|removeAttribute|removeAttributeNS|removeAttributeNode|removeChild|removeEventListener|replaceChild|reportValidity|requestPointerLock|scrollHeight|scrollIntoView|scrollIntoViewIfNeeded|scrollLeft|scrollWidth|setAttribute|setAttributeNS|setAttributeNode|setAttributeNodeNS|setPointerCapture|shadowRoot|styleMap|tabIndex|tagName|textContent|toString|valueOf|(webkit|ms|moz|o)dropzone|(webkit|moz|ms|o)MatchesSelector|(webkit|moz|ms|o)RequestFullScreen|(webkit|moz|ms|o)RequestFullscreen)(\\s|$)';
+  $o_1611->attrs[] = $o_1612;
+  $o_0->attr_lists[] = $o_1611;
+  $o_1613 = new AttrList();
+  $o_1613->name = 'mandatory-src-or-srcset';
+  $o_1614 = new AttrSpec();
+  $o_1614->name = 'src';
+  $o_1614->alternative_names = ['srcset'];
+  $o_1614->mandatory = true;
+  $o_1614->blacklisted_value_regex = '__amp_source_origin';
+  $o_1615 = new UrlSpec();
+  $o_1615->allowed_protocol = ['data', 'http', 'https'];
+  $o_1615->allow_relative = true;
+  $o_1614->value_url = $o_1615;
+  $o_1613->attrs[] = $o_1614;
+  $o_0->attr_lists[] = $o_1613;
+  $o_1616 = new AttrList();
+  $o_1616->name = 'extended-amp-global';
+  $o_1617 = new AttrSpec();
+  $o_1617->name = 'media';
+  $o_1616->attrs[] = $o_1617;
+  $o_1618 = new AttrSpec();
+  $o_1618->name = 'noloading';
+  $o_1618->value = '';
+  $o_1616->attrs[] = $o_1618;
+  $o_0->attr_lists[] = $o_1616;
+  $o_1619 = new AttrList();
+  $o_1619->name = '$AMP_LAYOUT_ATTRS';
+  $o_1620 = new AttrSpec();
+  $o_1620->name = 'height';
+  $o_1619->attrs[] = $o_1620;
+  $o_1621 = new AttrSpec();
+  $o_1621->name = 'heights';
+  $o_1619->attrs[] = $o_1621;
+  $o_1622 = new AttrSpec();
+  $o_1622->name = 'layout';
+  $o_1619->attrs[] = $o_1622;
+  $o_1623 = new AttrSpec();
+  $o_1623->name = 'sizes';
+  $o_1619->attrs[] = $o_1623;
+  $o_1624 = new AttrSpec();
+  $o_1624->name = 'width';
+  $o_1619->attrs[] = $o_1624;
+  $o_0->attr_lists[] = $o_1619;
+  $o_1625 = new AttrList();
+  $o_1625->name = '$GLOBAL_ATTRS';
+  $o_1626 = new AttrSpec();
+  $o_1626->name = 'itemid';
+  $o_1625->attrs[] = $o_1626;
+  $o_1627 = new AttrSpec();
+  $o_1627->name = 'itemprop';
+  $o_1625->attrs[] = $o_1627;
+  $o_1628 = new AttrSpec();
+  $o_1628->name = 'itemref';
+  $o_1625->attrs[] = $o_1628;
+  $o_1629 = new AttrSpec();
+  $o_1629->name = 'itemscope';
+  $o_1625->attrs[] = $o_1629;
+  $o_1630 = new AttrSpec();
+  $o_1630->name = 'itemtype';
+  $o_1625->attrs[] = $o_1630;
+  $o_1631 = new AttrSpec();
+  $o_1631->name = 'about';
+  $o_1625->attrs[] = $o_1631;
+  $o_1632 = new AttrSpec();
+  $o_1632->name = 'content';
+  $o_1625->attrs[] = $o_1632;
+  $o_1633 = new AttrSpec();
+  $o_1633->name = 'datatype';
+  $o_1625->attrs[] = $o_1633;
+  $o_1634 = new AttrSpec();
+  $o_1634->name = 'inlist';
+  $o_1625->attrs[] = $o_1634;
+  $o_1635 = new AttrSpec();
+  $o_1635->name = 'prefix';
+  $o_1625->attrs[] = $o_1635;
+  $o_1636 = new AttrSpec();
+  $o_1636->name = 'property';
+  $o_1625->attrs[] = $o_1636;
+  $o_1637 = new AttrSpec();
+  $o_1637->name = 'resource';
+  $o_1625->attrs[] = $o_1637;
+  $o_1638 = new AttrSpec();
+  $o_1638->name = 'typeof';
+  $o_1625->attrs[] = $o_1638;
+  $o_1639 = new AttrSpec();
+  $o_1639->name = 'vocab';
+  $o_1625->attrs[] = $o_1639;
+  $o_1640 = new AttrSpec();
+  $o_1640->name = 'accesskey';
+  $o_1625->attrs[] = $o_1640;
+  $o_1641 = new AttrSpec();
+  $o_1641->name = 'class';
+  $o_1641->blacklisted_value_regex = '(^|\\W)i-amphtml-';
+  $o_1625->attrs[] = $o_1641;
+  $o_1642 = new AttrSpec();
+  $o_1642->name = 'dir';
+  $o_1625->attrs[] = $o_1642;
+  $o_1643 = new AttrSpec();
+  $o_1643->name = 'draggable';
+  $o_1625->attrs[] = $o_1643;
+  $o_1644 = new AttrSpec();
+  $o_1644->name = 'id';
+  $o_1644->blacklisted_value_regex = '(^|\\s)(__amp_\\S*|__count__|__defineGetter__|__defineSetter__|__lookupGetter__|__lookupSetter__|__noSuchMethod__|__parent__|__proto__|__AMP_\\S*|\\$p|\\$proxy|acceptCharset|addEventListener|appendChild|assignedSlot|attachShadow|AMP|baseURI|checkValidity|childElementCount|childNodes|classList|className|clientHeight|clientLeft|clientTop|clientWidth|compareDocumentPosition|computedName|computedRole|contentEditable|createShadowRoot|enqueAction|firstChild|firstElementChild|getAnimations|getAttribute|getAttributeNS|getAttributeNode|getAttributeNodeNS|getBoundingClientRect|getClientRects|getDestinationInsertionPoints|getElementsByClassName|getElementsByTagName|getElementsByTagNameNS|getRootNode|hasAttribute|hasAttributeNS|hasAttributes|hasChildNodes|hasPointerCapture|i-amphtml-\\S*|innerHTML|innerText|inputMode|insertAdjacentElement|insertAdjacentHTML|insertAdjacentText|isContentEditable|isDefaultNamespace|isEqualNode|isSameNode|lastChild|lastElementChild|lookupNamespaceURI|namespaceURI|nextElementSibling|nextSibling|nodeName|nodeType|nodeValue|offsetHeight|offsetLeft|offsetParent|offsetTop|offsetWidth|outerHTML|outerText|ownerDocument|parentElement|parentNode|previousElementSibling|previousSibling|querySelector|querySelectorAll|releasePointerCapture|removeAttribute|removeAttributeNS|removeAttributeNode|removeChild|removeEventListener|replaceChild|reportValidity|requestPointerLock|scrollHeight|scrollIntoView|scrollIntoViewIfNeeded|scrollLeft|scrollWidth|setAttribute|setAttributeNS|setAttributeNode|setAttributeNodeNS|setPointerCapture|shadowRoot|styleMap|tabIndex|tagName|textContent|toString|valueOf|(webkit|ms|moz|o)dropzone|(webkit|moz|ms|o)MatchesSelector|(webkit|moz|ms|o)RequestFullScreen|(webkit|moz|ms|o)RequestFullscreen)(\\s|$)';
+  $o_1625->attrs[] = $o_1644;
+  $o_1645 = new AttrSpec();
+  $o_1645->name = 'lang';
+  $o_1625->attrs[] = $o_1645;
+  $o_1646 = new AttrSpec();
+  $o_1646->name = 'tabindex';
+  $o_1625->attrs[] = $o_1646;
+  $o_1647 = new AttrSpec();
+  $o_1647->name = 'title';
+  $o_1625->attrs[] = $o_1647;
+  $o_1648 = new AttrSpec();
+  $o_1648->name = 'translate';
+  $o_1625->attrs[] = $o_1648;
+  $o_1649 = new AttrSpec();
+  $o_1649->name = 'aria-activedescendant';
+  $o_1625->attrs[] = $o_1649;
+  $o_1650 = new AttrSpec();
+  $o_1650->name = 'aria-atomic';
+  $o_1625->attrs[] = $o_1650;
+  $o_1651 = new AttrSpec();
+  $o_1651->name = 'aria-autocomplete';
+  $o_1625->attrs[] = $o_1651;
+  $o_1652 = new AttrSpec();
+  $o_1652->name = 'aria-busy';
+  $o_1625->attrs[] = $o_1652;
+  $o_1653 = new AttrSpec();
+  $o_1653->name = 'aria-checked';
+  $o_1625->attrs[] = $o_1653;
+  $o_1654 = new AttrSpec();
+  $o_1654->name = 'aria-controls';
+  $o_1625->attrs[] = $o_1654;
+  $o_1655 = new AttrSpec();
+  $o_1655->name = 'aria-describedby';
+  $o_1625->attrs[] = $o_1655;
+  $o_1656 = new AttrSpec();
+  $o_1656->name = 'aria-disabled';
+  $o_1625->attrs[] = $o_1656;
+  $o_1657 = new AttrSpec();
+  $o_1657->name = 'aria-dropeffect';
+  $o_1625->attrs[] = $o_1657;
+  $o_1658 = new AttrSpec();
+  $o_1658->name = 'aria-expanded';
+  $o_1625->attrs[] = $o_1658;
+  $o_1659 = new AttrSpec();
+  $o_1659->name = 'aria-flowto';
+  $o_1625->attrs[] = $o_1659;
+  $o_1660 = new AttrSpec();
+  $o_1660->name = 'aria-grabbed';
+  $o_1625->attrs[] = $o_1660;
+  $o_1661 = new AttrSpec();
+  $o_1661->name = 'aria-haspopup';
+  $o_1625->attrs[] = $o_1661;
+  $o_1662 = new AttrSpec();
+  $o_1662->name = 'aria-hidden';
+  $o_1625->attrs[] = $o_1662;
+  $o_1663 = new AttrSpec();
+  $o_1663->name = 'aria-invalid';
+  $o_1625->attrs[] = $o_1663;
+  $o_1664 = new AttrSpec();
+  $o_1664->name = 'aria-label';
+  $o_1625->attrs[] = $o_1664;
+  $o_1665 = new AttrSpec();
+  $o_1665->name = 'aria-labelledby';
+  $o_1625->attrs[] = $o_1665;
+  $o_1666 = new AttrSpec();
+  $o_1666->name = 'aria-level';
+  $o_1625->attrs[] = $o_1666;
+  $o_1667 = new AttrSpec();
+  $o_1667->name = 'aria-live';
+  $o_1625->attrs[] = $o_1667;
+  $o_1668 = new AttrSpec();
+  $o_1668->name = 'aria-multiline';
+  $o_1625->attrs[] = $o_1668;
+  $o_1669 = new AttrSpec();
+  $o_1669->name = 'aria-multiselectable';
+  $o_1625->attrs[] = $o_1669;
+  $o_1670 = new AttrSpec();
+  $o_1670->name = 'aria-orientation';
+  $o_1625->attrs[] = $o_1670;
+  $o_1671 = new AttrSpec();
+  $o_1671->name = 'aria-owns';
+  $o_1625->attrs[] = $o_1671;
+  $o_1672 = new AttrSpec();
+  $o_1672->name = 'aria-posinset';
+  $o_1625->attrs[] = $o_1672;
+  $o_1673 = new AttrSpec();
+  $o_1673->name = 'aria-pressed';
+  $o_1625->attrs[] = $o_1673;
+  $o_1674 = new AttrSpec();
+  $o_1674->name = 'aria-readonly';
+  $o_1625->attrs[] = $o_1674;
+  $o_1675 = new AttrSpec();
+  $o_1675->name = 'aria-relevant';
+  $o_1625->attrs[] = $o_1675;
+  $o_1676 = new AttrSpec();
+  $o_1676->name = 'aria-required';
+  $o_1625->attrs[] = $o_1676;
+  $o_1677 = new AttrSpec();
+  $o_1677->name = 'aria-selected';
+  $o_1625->attrs[] = $o_1677;
+  $o_1678 = new AttrSpec();
+  $o_1678->name = 'aria-setsize';
+  $o_1625->attrs[] = $o_1678;
+  $o_1679 = new AttrSpec();
+  $o_1679->name = 'aria-sort';
+  $o_1625->attrs[] = $o_1679;
+  $o_1680 = new AttrSpec();
+  $o_1680->name = 'aria-valuemax';
+  $o_1625->attrs[] = $o_1680;
+  $o_1681 = new AttrSpec();
+  $o_1681->name = 'aria-valuemin';
+  $o_1625->attrs[] = $o_1681;
+  $o_1682 = new AttrSpec();
+  $o_1682->name = 'aria-valuenow';
+  $o_1625->attrs[] = $o_1682;
+  $o_1683 = new AttrSpec();
+  $o_1683->name = 'aria-valuetext';
+  $o_1625->attrs[] = $o_1683;
+  $o_1684 = new AttrSpec();
+  $o_1684->name = 'on';
+  $o_1685 = new AttrTriggerSpec();
+  $o_1685->if_value_regex = 'tap:.*';
+  $o_1685->also_requires_attr = ['role', 'tabindex'];
+  $o_1684->trigger = $o_1685;
+  $o_1625->attrs[] = $o_1684;
+  $o_1686 = new AttrSpec();
+  $o_1686->name = 'role';
+  $o_1625->attrs[] = $o_1686;
+  $o_1687 = new AttrSpec();
+  $o_1687->name = 'placeholder';
+  $o_1687->value = '';
+  $o_1625->attrs[] = $o_1687;
+  $o_1688 = new AttrSpec();
+  $o_1688->name = 'fallback';
+  $o_1688->value = '';
+  $o_1625->attrs[] = $o_1688;
+  $o_1689 = new AttrSpec();
+  $o_1689->name = 'lightbox';
+  $o_1625->attrs[] = $o_1689;
+  $o_1690 = new AttrSpec();
+  $o_1690->name = 'overflow';
+  $o_1625->attrs[] = $o_1690;
+  $o_1691 = new AttrSpec();
+  $o_1691->name = 'amp-access';
+  $o_1625->attrs[] = $o_1691;
+  $o_1692 = new AttrSpec();
+  $o_1692->name = 'amp-access-behavior';
+  $o_1625->attrs[] = $o_1692;
+  $o_1693 = new AttrSpec();
+  $o_1693->name = 'amp-access-hide';
+  $o_1625->attrs[] = $o_1693;
+  $o_1694 = new AttrSpec();
+  $o_1694->name = 'amp-access-id';
+  $o_1625->attrs[] = $o_1694;
+  $o_1695 = new AttrSpec();
+  $o_1695->name = 'amp-access-loader';
+  $o_1625->attrs[] = $o_1695;
+  $o_1696 = new AttrSpec();
+  $o_1696->name = 'amp-access-loading';
+  $o_1625->attrs[] = $o_1696;
+  $o_1697 = new AttrSpec();
+  $o_1697->name = 'amp-access-off';
+  $o_1625->attrs[] = $o_1697;
+  $o_1698 = new AttrSpec();
+  $o_1698->name = 'amp-access-on';
+  $o_1625->attrs[] = $o_1698;
+  $o_1699 = new AttrSpec();
+  $o_1699->name = 'amp-access-show';
+  $o_1625->attrs[] = $o_1699;
+  $o_1700 = new AttrSpec();
+  $o_1700->name = 'amp-access-style';
+  $o_1625->attrs[] = $o_1700;
+  $o_1701 = new AttrSpec();
+  $o_1701->name = 'amp-access-template';
+  $o_1625->attrs[] = $o_1701;
+  $o_1702 = new AttrSpec();
+  $o_1702->name = 'i-amp-access-id';
+  $o_1625->attrs[] = $o_1702;
+  $o_1703 = new AttrSpec();
+  $o_1703->name = 'validation-for';
+  $o_1704 = new AttrTriggerSpec();
+  $o_1704->also_requires_attr = ['visible-when-invalid'];
+  $o_1703->trigger = $o_1704;
+  $o_1625->attrs[] = $o_1703;
+  $o_1705 = new AttrSpec();
+  $o_1705->name = 'visible-when-invalid';
+  $o_1705->value_regex = '(badInput|customError|patternMismatch|rangeOverflow|rangeUnderflow|stepMismatch|tooLong|typeMismatch|valueMissing)';
+  $o_1706 = new AttrTriggerSpec();
+  $o_1706->also_requires_attr = ['validation-for'];
+  $o_1705->trigger = $o_1706;
+  $o_1625->attrs[] = $o_1705;
+  $o_0->attr_lists[] = $o_1625;
+  $o_1707 = new AttrList();
+  $o_1707->name = 'amp-audio-common';
+  $o_1708 = new AttrSpec();
+  $o_1708->name = 'controls';
+  $o_1707->attrs[] = $o_1708;
+  $o_1709 = new AttrSpec();
+  $o_1709->name = 'loop';
+  $o_1709->value = '';
+  $o_1707->attrs[] = $o_1709;
+  $o_1710 = new AttrSpec();
+  $o_1710->name = 'muted';
+  $o_1710->value = '';
+  $o_1707->attrs[] = $o_1710;
+  $o_1711 = new AttrSpec();
+  $o_1711->name = 'src';
+  $o_1711->blacklisted_value_regex = '__amp_source_origin';
+  $o_1712 = new UrlSpec();
+  $o_1712->allowed_protocol = ['https'];
+  $o_1712->allow_relative = true;
+  $o_1711->value_url = $o_1712;
+  $o_1707->attrs[] = $o_1711;
+  $o_0->attr_lists[] = $o_1707;
   $o_0->template_spec_url = 'https://www.ampproject.org/docs/reference/extended/amp-mustache.html';
-  $o_1227 = new ErrorFormat();
-  $o_1227->code = ValidationErrorCode::UNKNOWN_CODE;
-  $o_1227->format = 'Unknown error.';
-  $o_0->error_formats[] = $o_1227;
-  $o_1228 = new ErrorFormat();
-  $o_1228->code = ValidationErrorCode::MANDATORY_TAG_MISSING;
-  $o_1228->format = 'The mandatory tag \'%1\' is missing or incorrect.';
-  $o_0->error_formats[] = $o_1228;
-  $o_1229 = new ErrorFormat();
-  $o_1229->code = ValidationErrorCode::TAG_REQUIRED_BY_MISSING;
-  $o_1229->format = 'The tag \'%1\' is missing or incorrect, but required by \'%2\'.';
-  $o_0->error_formats[] = $o_1229;
-  $o_1230 = new ErrorFormat();
-  $o_1230->code = ValidationErrorCode::ATTR_REQUIRED_BUT_MISSING;
-  $o_1230->format = 'The attribute \'%1\' in tag \'%2\' is missing or incorrect, but required by attribute \'%3\'.';
-  $o_0->error_formats[] = $o_1230;
-  $o_1231 = new ErrorFormat();
-  $o_1231->code = ValidationErrorCode::DISALLOWED_TAG;
-  $o_1231->format = 'The tag \'%1\' is disallowed.';
-  $o_0->error_formats[] = $o_1231;
-  $o_1232 = new ErrorFormat();
-  $o_1232->code = ValidationErrorCode::GENERAL_DISALLOWED_TAG;
-  $o_1232->format = 'The tag \'%1\' is disallowed except in specific forms.';
-  $o_0->error_formats[] = $o_1232;
-  $o_1233 = new ErrorFormat();
-  $o_1233->code = ValidationErrorCode::DISALLOWED_ATTR;
-  $o_1233->format = 'The attribute \'%1\' may not appear in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1233;
-  $o_1234 = new ErrorFormat();
-  $o_1234->code = ValidationErrorCode::INVALID_ATTR_VALUE;
-  $o_1234->format = 'The attribute \'%1\' in tag \'%2\' is set to the invalid value \'%3\'.';
-  $o_0->error_formats[] = $o_1234;
-  $o_1235 = new ErrorFormat();
-  $o_1235->code = ValidationErrorCode::ATTR_VALUE_REQUIRED_BY_LAYOUT;
-  $o_1235->format = 'Invalid value \'%1\' for attribute \'%2\' in tag \'%3\' - for layout \'%4\', set the attribute \'%2\' to value \'%5\'.';
-  $o_0->error_formats[] = $o_1235;
-  $o_1236 = new ErrorFormat();
-  $o_1236->code = ValidationErrorCode::IMPLIED_LAYOUT_INVALID;
-  $o_1236->format = 'The implied layout \'%1\' is not supported by tag \'%2\'.';
-  $o_0->error_formats[] = $o_1236;
-  $o_1237 = new ErrorFormat();
-  $o_1237->code = ValidationErrorCode::SPECIFIED_LAYOUT_INVALID;
-  $o_1237->format = 'The specified layout \'%1\' is not supported by tag \'%2\'.';
-  $o_0->error_formats[] = $o_1237;
-  $o_1238 = new ErrorFormat();
-  $o_1238->code = ValidationErrorCode::MANDATORY_ATTR_MISSING;
-  $o_1238->format = 'The mandatory attribute \'%1\' is missing in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1238;
-  $o_1239 = new ErrorFormat();
-  $o_1239->code = ValidationErrorCode::INCONSISTENT_UNITS_FOR_WIDTH_AND_HEIGHT;
-  $o_1239->format = 'Inconsistent units for width and height in tag \'%1\' - width is specified in \'%2\' whereas height is specified in \'%3\'.';
-  $o_0->error_formats[] = $o_1239;
-  $o_1240 = new ErrorFormat();
-  $o_1240->code = ValidationErrorCode::STYLESHEET_TOO_LONG_OLD_VARIANT;
-  $o_1240->format = 'The author stylesheet specified in tag \'style amp-custom\' is too long - we saw %1 bytes whereas the limit is %2 bytes.';
-  $o_0->error_formats[] = $o_1240;
-  $o_1241 = new ErrorFormat();
-  $o_1241->code = ValidationErrorCode::STYLESHEET_TOO_LONG;
-  $o_1241->format = 'The author stylesheet specified in tag \'%1\' is too long - we saw %2 bytes whereas the limit is %3 bytes.';
-  $o_0->error_formats[] = $o_1241;
-  $o_1242 = new ErrorFormat();
-  $o_1242->code = ValidationErrorCode::MANDATORY_CDATA_MISSING_OR_INCORRECT;
-  $o_1242->format = 'The mandatory text (CDATA) inside tag \'%1\' is missing or incorrect.';
-  $o_0->error_formats[] = $o_1242;
-  $o_1243 = new ErrorFormat();
-  $o_1243->code = ValidationErrorCode::CDATA_VIOLATES_BLACKLIST;
-  $o_1243->format = 'The text (CDATA) inside tag \'%1\' contains \'%2\', which is disallowed.';
-  $o_0->error_formats[] = $o_1243;
-  $o_1244 = new ErrorFormat();
-  $o_1244->code = ValidationErrorCode::DISALLOWED_PROPERTY_IN_ATTR_VALUE;
-  $o_1244->format = 'The property \'%1\' in attribute \'%2\' in tag \'%3\' is disallowed.';
-  $o_0->error_formats[] = $o_1244;
-  $o_1245 = new ErrorFormat();
-  $o_1245->code = ValidationErrorCode::INVALID_PROPERTY_VALUE_IN_ATTR_VALUE;
-  $o_1245->format = 'The property \'%1\' in attribute \'%2\' in tag \'%3\' is set to \'%4\', which is invalid.';
-  $o_0->error_formats[] = $o_1245;
-  $o_1246 = new ErrorFormat();
-  $o_1246->code = ValidationErrorCode::DUPLICATE_DIMENSION;
-  $o_1246->format = 'Multiple image candidates with the same width or pixel density found in attribute \'%1\' in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1246;
-  $o_1247 = new ErrorFormat();
-  $o_1247->code = ValidationErrorCode::MISSING_URL;
-  $o_1247->format = 'Missing URL for attribute \'%1\' in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1247;
-  $o_1248 = new ErrorFormat();
-  $o_1248->code = ValidationErrorCode::INVALID_URL;
-  $o_1248->format = 'Malformed URL \'%3\' for attribute \'%1\' in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1248;
-  $o_1249 = new ErrorFormat();
-  $o_1249->code = ValidationErrorCode::INVALID_URL_PROTOCOL;
-  $o_1249->format = 'Invalid URL protocol \'%3:\' for attribute \'%1\' in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1249;
-  $o_1250 = new ErrorFormat();
-  $o_1250->code = ValidationErrorCode::DISALLOWED_RELATIVE_URL;
-  $o_1250->format = 'The relative URL \'%3\' for attribute \'%1\' in tag \'%2\' is disallowed.';
-  $o_0->error_formats[] = $o_1250;
-  $o_1251 = new ErrorFormat();
-  $o_1251->code = ValidationErrorCode::MANDATORY_PROPERTY_MISSING_FROM_ATTR_VALUE;
-  $o_1251->format = 'The property \'%1\' is missing from attribute \'%2\' in tag \'%3\'.';
-  $o_0->error_formats[] = $o_1251;
-  $o_1252 = new ErrorFormat();
-  $o_1252->code = ValidationErrorCode::UNESCAPED_TEMPLATE_IN_ATTR_VALUE;
-  $o_1252->format = 'The attribute \'%1\' in tag \'%2\' is set to \'%3\', which contains unescaped Mustache template syntax.';
-  $o_0->error_formats[] = $o_1252;
-  $o_1253 = new ErrorFormat();
-  $o_1253->code = ValidationErrorCode::TEMPLATE_PARTIAL_IN_ATTR_VALUE;
-  $o_1253->format = 'The attribute \'%1\' in tag \'%2\' is set to \'%3\', which contains a Mustache template partial.';
-  $o_0->error_formats[] = $o_1253;
-  $o_1254 = new ErrorFormat();
-  $o_1254->code = ValidationErrorCode::DEPRECATED_TAG;
-  $o_1254->format = 'The tag \'%1\' is deprecated - use \'%2\' instead.';
-  $o_0->error_formats[] = $o_1254;
-  $o_1255 = new ErrorFormat();
-  $o_1255->code = ValidationErrorCode::DEPRECATED_ATTR;
-  $o_1255->format = 'The attribute \'%1\' in tag \'%2\' is deprecated - use \'%3\' instead.';
-  $o_0->error_formats[] = $o_1255;
-  $o_1256 = new ErrorFormat();
-  $o_1256->code = ValidationErrorCode::DEV_MODE_ENABLED;
-  $o_1256->format = 'The attribute \'%1\' in tag \'%2\' enables the development mode. Please remove, this feature is obsolete.';
-  $o_0->error_formats[] = $o_1256;
-  $o_1257 = new ErrorFormat();
-  $o_1257->code = ValidationErrorCode::MUTUALLY_EXCLUSIVE_ATTRS;
-  $o_1257->format = 'Mutually exclusive attributes encountered in tag \'%1\' - pick one of %2.';
-  $o_0->error_formats[] = $o_1257;
-  $o_1258 = new ErrorFormat();
-  $o_1258->code = ValidationErrorCode::MANDATORY_ONEOF_ATTR_MISSING;
-  $o_1258->format = 'The tag \'%1\' is missing a mandatory attribute - pick one of %2.';
-  $o_0->error_formats[] = $o_1258;
-  $o_1259 = new ErrorFormat();
-  $o_1259->code = ValidationErrorCode::WRONG_PARENT_TAG;
-  $o_1259->format = 'The parent tag of tag \'%1\' is \'%2\', but it can only be \'%3\'.';
-  $o_0->error_formats[] = $o_1259;
-  $o_1260 = new ErrorFormat();
-  $o_1260->code = ValidationErrorCode::DISALLOWED_TAG_ANCESTOR;
-  $o_1260->format = 'The tag \'%1\' may not appear as a descendant of tag \'%2\'.';
-  $o_0->error_formats[] = $o_1260;
-  $o_1261 = new ErrorFormat();
-  $o_1261->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR;
-  $o_1261->format = 'The tag \'%1\' may only appear as a descendant of tag \'%2\'.';
-  $o_0->error_formats[] = $o_1261;
-  $o_1262 = new ErrorFormat();
-  $o_1262->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR_WITH_HINT;
-  $o_1262->format = 'The tag \'%1\' may only appear as a descendant of tag \'%2\'. Did you mean \'%3\'?';
-  $o_0->error_formats[] = $o_1262;
-  $o_1263 = new ErrorFormat();
-  $o_1263->code = ValidationErrorCode::DUPLICATE_UNIQUE_TAG;
-  $o_1263->format = 'The tag \'%1\' appears more than once in the document.';
-  $o_0->error_formats[] = $o_1263;
-  $o_1264 = new ErrorFormat();
-  $o_1264->code = ValidationErrorCode::TEMPLATE_IN_ATTR_NAME;
-  $o_1264->format = 'Mustache template syntax in attribute name \'%1\' in tag \'%2\'.';
-  $o_0->error_formats[] = $o_1264;
-  $o_1265 = new ErrorFormat();
-  $o_1265->code = ValidationErrorCode::ATTR_DISALLOWED_BY_IMPLIED_LAYOUT;
-  $o_1265->format = 'The attribute \'%1\' in tag \'%2\' is disallowed by implied layout \'%3\'.';
-  $o_0->error_formats[] = $o_1265;
-  $o_1266 = new ErrorFormat();
-  $o_1266->code = ValidationErrorCode::ATTR_DISALLOWED_BY_SPECIFIED_LAYOUT;
-  $o_1266->format = 'The attribute \'%1\' in tag \'%2\' is disallowed by specified layout \'%3\'.';
-  $o_0->error_formats[] = $o_1266;
-  $o_1267 = new ErrorFormat();
-  $o_1267->code = ValidationErrorCode::INCORRECT_NUM_CHILD_TAGS;
-  $o_1267->format = 'Tag \'%1\' must have %2 child tags - saw %3 child tags.';
-  $o_0->error_formats[] = $o_1267;
-  $o_1268 = new ErrorFormat();
-  $o_1268->code = ValidationErrorCode::DISALLOWED_CHILD_TAG_NAME;
-  $o_1268->format = 'Tag \'%1\' is disallowed as child of tag \'%2\'. Child tag must be one of %3.';
-  $o_0->error_formats[] = $o_1268;
-  $o_1269 = new ErrorFormat();
-  $o_1269->code = ValidationErrorCode::DISALLOWED_FIRST_CHILD_TAG_NAME;
-  $o_1269->format = 'Tag \'%1\' is disallowed as first child of tag \'%2\'. First child tag must be one of %3.';
-  $o_0->error_formats[] = $o_1269;
-  $o_1270 = new ErrorFormat();
-  $o_1270->code = ValidationErrorCode::CSS_SYNTAX;
-  $o_1270->format = 'CSS syntax error in tag \'%1\' - %2.';
-  $o_0->error_formats[] = $o_1270;
-  $o_1271 = new ErrorFormat();
-  $o_1271->code = ValidationErrorCode::CSS_SYNTAX_INVALID_AT_RULE;
-  $o_1271->format = 'CSS syntax error in tag \'%1\' - saw invalid at rule \'@%2\'.';
-  $o_0->error_formats[] = $o_1271;
-  $o_1272 = new ErrorFormat();
-  $o_1272->code = ValidationErrorCode::CSS_SYNTAX_STRAY_TRAILING_BACKSLASH;
-  $o_1272->format = 'CSS syntax error in tag \'%1\' - stray trailing backslash.';
-  $o_0->error_formats[] = $o_1272;
-  $o_1273 = new ErrorFormat();
-  $o_1273->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_COMMENT;
-  $o_1273->format = 'CSS syntax error in tag \'%1\' - unterminated comment.';
-  $o_0->error_formats[] = $o_1273;
-  $o_1274 = new ErrorFormat();
-  $o_1274->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_STRING;
-  $o_1274->format = 'CSS syntax error in tag \'%1\' - unterminated string.';
-  $o_0->error_formats[] = $o_1274;
-  $o_1275 = new ErrorFormat();
-  $o_1275->code = ValidationErrorCode::CSS_SYNTAX_BAD_URL;
-  $o_1275->format = 'CSS syntax error in tag \'%1\' - bad url.';
-  $o_0->error_formats[] = $o_1275;
-  $o_1276 = new ErrorFormat();
-  $o_1276->code = ValidationErrorCode::CSS_SYNTAX_EOF_IN_PRELUDE_OF_QUALIFIED_RULE;
-  $o_1276->format = 'CSS syntax error in tag \'%1\' - end of stylesheet encountered in prelude of a qualified rule.';
-  $o_0->error_formats[] = $o_1276;
-  $o_1277 = new ErrorFormat();
-  $o_1277->code = ValidationErrorCode::CSS_SYNTAX_INVALID_DECLARATION;
-  $o_1277->format = 'CSS syntax error in tag \'%1\' - invalid declaration.';
-  $o_0->error_formats[] = $o_1277;
-  $o_1278 = new ErrorFormat();
-  $o_1278->code = ValidationErrorCode::CSS_SYNTAX_INCOMPLETE_DECLARATION;
-  $o_1278->format = 'CSS syntax error in tag \'%1\' - incomplete declaration.';
-  $o_0->error_formats[] = $o_1278;
-  $o_1279 = new ErrorFormat();
-  $o_1279->code = ValidationErrorCode::CSS_SYNTAX_ERROR_IN_PSEUDO_SELECTOR;
-  $o_1279->format = 'CSS syntax error in tag \'%1\' - invalid pseudo selector.';
-  $o_0->error_formats[] = $o_1279;
-  $o_1280 = new ErrorFormat();
-  $o_1280->code = ValidationErrorCode::CSS_SYNTAX_MISSING_SELECTOR;
-  $o_1280->format = 'CSS syntax error in tag \'%1\' - missing selector.';
-  $o_0->error_formats[] = $o_1280;
-  $o_1281 = new ErrorFormat();
-  $o_1281->code = ValidationErrorCode::CSS_SYNTAX_NOT_A_SELECTOR_START;
-  $o_1281->format = 'CSS syntax error in tag \'%1\' - not a selector start.';
-  $o_0->error_formats[] = $o_1281;
-  $o_1282 = new ErrorFormat();
-  $o_1282->code = ValidationErrorCode::CSS_SYNTAX_UNPARSED_INPUT_REMAINS_IN_SELECTOR;
-  $o_1282->format = 'CSS syntax error in tag \'%1\' - unparsed input remains in selector.';
-  $o_0->error_formats[] = $o_1282;
-  $o_1283 = new ErrorFormat();
-  $o_1283->code = ValidationErrorCode::CSS_SYNTAX_MISSING_URL;
-  $o_1283->format = 'CSS syntax error in tag \'%1\' - missing url.';
-  $o_0->error_formats[] = $o_1283;
-  $o_1284 = new ErrorFormat();
-  $o_1284->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL;
-  $o_1284->format = 'CSS syntax error in tag \'%1\' - invalid url \'%2\'.';
-  $o_0->error_formats[] = $o_1284;
-  $o_1285 = new ErrorFormat();
-  $o_1285->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL_PROTOCOL;
-  $o_1285->format = 'CSS syntax error in tag \'%1\' - invalid url protocol \'%2:\'.';
-  $o_0->error_formats[] = $o_1285;
-  $o_1286 = new ErrorFormat();
-  $o_1286->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_RELATIVE_URL;
-  $o_1286->format = 'CSS syntax error in tag \'%1\' - disallowed relative url \'%2\'.';
-  $o_0->error_formats[] = $o_1286;
-  $o_1287 = new ErrorFormat();
-  $o_1287->code = ValidationErrorCode::CSS_SYNTAX_INVALID_ATTR_SELECTOR;
-  $o_1287->format = 'CSS syntax error in tag \'%1\' - invalid attribute selector.';
-  $o_0->error_formats[] = $o_1287;
+  $o_1713 = new ErrorFormat();
+  $o_1713->code = ValidationErrorCode::UNKNOWN_CODE;
+  $o_1713->format = 'Unknown error.';
+  $o_0->error_formats[] = $o_1713;
+  $o_1714 = new ErrorFormat();
+  $o_1714->code = ValidationErrorCode::MANDATORY_TAG_MISSING;
+  $o_1714->format = 'The mandatory tag \'%1\' is missing or incorrect.';
+  $o_0->error_formats[] = $o_1714;
+  $o_1715 = new ErrorFormat();
+  $o_1715->code = ValidationErrorCode::TAG_REQUIRED_BY_MISSING;
+  $o_1715->format = 'The tag \'%1\' is missing or incorrect, but required by \'%2\'.';
+  $o_0->error_formats[] = $o_1715;
+  $o_1716 = new ErrorFormat();
+  $o_1716->code = ValidationErrorCode::WARNING_TAG_REQUIRED_BY_MISSING;
+  $o_1716->format = 'The tag \'%1\' is missing or incorrect, but required by \'%2\'. This will soon be an error.';
+  $o_0->error_formats[] = $o_1716;
+  $o_1717 = new ErrorFormat();
+  $o_1717->code = ValidationErrorCode::WARNING_EXTENSION_UNUSED;
+  $o_1717->format = 'The extension \'%1\' was found on this page, but is unused (no \'%2\' tag seen). This may become an error in the future.';
+  $o_0->error_formats[] = $o_1717;
+  $o_1718 = new ErrorFormat();
+  $o_1718->code = ValidationErrorCode::ATTR_REQUIRED_BUT_MISSING;
+  $o_1718->format = 'The attribute \'%1\' in tag \'%2\' is missing or incorrect, but required by attribute \'%3\'.';
+  $o_0->error_formats[] = $o_1718;
+  $o_1719 = new ErrorFormat();
+  $o_1719->code = ValidationErrorCode::DISALLOWED_TAG;
+  $o_1719->format = 'The tag \'%1\' is disallowed.';
+  $o_0->error_formats[] = $o_1719;
+  $o_1720 = new ErrorFormat();
+  $o_1720->code = ValidationErrorCode::GENERAL_DISALLOWED_TAG;
+  $o_1720->format = 'The tag \'%1\' is disallowed except in specific forms.';
+  $o_0->error_formats[] = $o_1720;
+  $o_1721 = new ErrorFormat();
+  $o_1721->code = ValidationErrorCode::DISALLOWED_ATTR;
+  $o_1721->format = 'The attribute \'%1\' may not appear in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1721;
+  $o_1722 = new ErrorFormat();
+  $o_1722->code = ValidationErrorCode::INVALID_ATTR_VALUE;
+  $o_1722->format = 'The attribute \'%1\' in tag \'%2\' is set to the invalid value \'%3\'.';
+  $o_0->error_formats[] = $o_1722;
+  $o_1723 = new ErrorFormat();
+  $o_1723->code = ValidationErrorCode::ATTR_VALUE_REQUIRED_BY_LAYOUT;
+  $o_1723->format = 'Invalid value \'%1\' for attribute \'%2\' in tag \'%3\' - for layout \'%4\', set the attribute \'%2\' to value \'%5\'.';
+  $o_0->error_formats[] = $o_1723;
+  $o_1724 = new ErrorFormat();
+  $o_1724->code = ValidationErrorCode::IMPLIED_LAYOUT_INVALID;
+  $o_1724->format = 'The implied layout \'%1\' is not supported by tag \'%2\'.';
+  $o_0->error_formats[] = $o_1724;
+  $o_1725 = new ErrorFormat();
+  $o_1725->code = ValidationErrorCode::SPECIFIED_LAYOUT_INVALID;
+  $o_1725->format = 'The specified layout \'%1\' is not supported by tag \'%2\'.';
+  $o_0->error_formats[] = $o_1725;
+  $o_1726 = new ErrorFormat();
+  $o_1726->code = ValidationErrorCode::MANDATORY_ATTR_MISSING;
+  $o_1726->format = 'The mandatory attribute \'%1\' is missing in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1726;
+  $o_1727 = new ErrorFormat();
+  $o_1727->code = ValidationErrorCode::INCONSISTENT_UNITS_FOR_WIDTH_AND_HEIGHT;
+  $o_1727->format = 'Inconsistent units for width and height in tag \'%1\' - width is specified in \'%2\' whereas height is specified in \'%3\'.';
+  $o_0->error_formats[] = $o_1727;
+  $o_1728 = new ErrorFormat();
+  $o_1728->code = ValidationErrorCode::STYLESHEET_TOO_LONG_OLD_VARIANT;
+  $o_1728->format = 'The author stylesheet specified in tag \'style amp-custom\' is too long - we saw %1 bytes whereas the limit is %2 bytes.';
+  $o_0->error_formats[] = $o_1728;
+  $o_1729 = new ErrorFormat();
+  $o_1729->code = ValidationErrorCode::STYLESHEET_TOO_LONG;
+  $o_1729->format = 'The author stylesheet specified in tag \'%1\' is too long - we saw %2 bytes whereas the limit is %3 bytes.';
+  $o_0->error_formats[] = $o_1729;
+  $o_1730 = new ErrorFormat();
+  $o_1730->code = ValidationErrorCode::MANDATORY_CDATA_MISSING_OR_INCORRECT;
+  $o_1730->format = 'The mandatory text (CDATA) inside tag \'%1\' is missing or incorrect.';
+  $o_0->error_formats[] = $o_1730;
+  $o_1731 = new ErrorFormat();
+  $o_1731->code = ValidationErrorCode::CDATA_VIOLATES_BLACKLIST;
+  $o_1731->format = 'The text (CDATA) inside tag \'%1\' contains \'%2\', which is disallowed.';
+  $o_0->error_formats[] = $o_1731;
+  $o_1732 = new ErrorFormat();
+  $o_1732->code = ValidationErrorCode::DISALLOWED_PROPERTY_IN_ATTR_VALUE;
+  $o_1732->format = 'The property \'%1\' in attribute \'%2\' in tag \'%3\' is disallowed.';
+  $o_0->error_formats[] = $o_1732;
+  $o_1733 = new ErrorFormat();
+  $o_1733->code = ValidationErrorCode::INVALID_PROPERTY_VALUE_IN_ATTR_VALUE;
+  $o_1733->format = 'The property \'%1\' in attribute \'%2\' in tag \'%3\' is set to \'%4\', which is invalid.';
+  $o_0->error_formats[] = $o_1733;
+  $o_1734 = new ErrorFormat();
+  $o_1734->code = ValidationErrorCode::DUPLICATE_DIMENSION;
+  $o_1734->format = 'Multiple image candidates with the same width or pixel density found in attribute \'%1\' in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1734;
+  $o_1735 = new ErrorFormat();
+  $o_1735->code = ValidationErrorCode::MISSING_URL;
+  $o_1735->format = 'Missing URL for attribute \'%1\' in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1735;
+  $o_1736 = new ErrorFormat();
+  $o_1736->code = ValidationErrorCode::INVALID_URL;
+  $o_1736->format = 'Malformed URL \'%3\' for attribute \'%1\' in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1736;
+  $o_1737 = new ErrorFormat();
+  $o_1737->code = ValidationErrorCode::INVALID_URL_PROTOCOL;
+  $o_1737->format = 'Invalid URL protocol \'%3:\' for attribute \'%1\' in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1737;
+  $o_1738 = new ErrorFormat();
+  $o_1738->code = ValidationErrorCode::DISALLOWED_DOMAIN;
+  $o_1738->format = 'The domain \'%3\' for attribute \'%1\' in tag \'%2\' is disallowed.';
+  $o_0->error_formats[] = $o_1738;
+  $o_1739 = new ErrorFormat();
+  $o_1739->code = ValidationErrorCode::DISALLOWED_RELATIVE_URL;
+  $o_1739->format = 'The relative URL \'%3\' for attribute \'%1\' in tag \'%2\' is disallowed.';
+  $o_0->error_formats[] = $o_1739;
+  $o_1740 = new ErrorFormat();
+  $o_1740->code = ValidationErrorCode::MANDATORY_PROPERTY_MISSING_FROM_ATTR_VALUE;
+  $o_1740->format = 'The property \'%1\' is missing from attribute \'%2\' in tag \'%3\'.';
+  $o_0->error_formats[] = $o_1740;
+  $o_1741 = new ErrorFormat();
+  $o_1741->code = ValidationErrorCode::UNESCAPED_TEMPLATE_IN_ATTR_VALUE;
+  $o_1741->format = 'The attribute \'%1\' in tag \'%2\' is set to \'%3\', which contains unescaped Mustache template syntax.';
+  $o_0->error_formats[] = $o_1741;
+  $o_1742 = new ErrorFormat();
+  $o_1742->code = ValidationErrorCode::TEMPLATE_PARTIAL_IN_ATTR_VALUE;
+  $o_1742->format = 'The attribute \'%1\' in tag \'%2\' is set to \'%3\', which contains a Mustache template partial.';
+  $o_0->error_formats[] = $o_1742;
+  $o_1743 = new ErrorFormat();
+  $o_1743->code = ValidationErrorCode::DEPRECATED_TAG;
+  $o_1743->format = 'The tag \'%1\' is deprecated - use \'%2\' instead.';
+  $o_0->error_formats[] = $o_1743;
+  $o_1744 = new ErrorFormat();
+  $o_1744->code = ValidationErrorCode::DEPRECATED_ATTR;
+  $o_1744->format = 'The attribute \'%1\' in tag \'%2\' is deprecated - use \'%3\' instead.';
+  $o_0->error_formats[] = $o_1744;
+  $o_1745 = new ErrorFormat();
+  $o_1745->code = ValidationErrorCode::DEV_MODE_ENABLED;
+  $o_1745->format = 'The attribute \'%1\' in tag \'%2\' enables the development mode. Please remove, this feature is obsolete.';
+  $o_0->error_formats[] = $o_1745;
+  $o_1746 = new ErrorFormat();
+  $o_1746->code = ValidationErrorCode::MUTUALLY_EXCLUSIVE_ATTRS;
+  $o_1746->format = 'Mutually exclusive attributes encountered in tag \'%1\' - pick one of %2.';
+  $o_0->error_formats[] = $o_1746;
+  $o_1747 = new ErrorFormat();
+  $o_1747->code = ValidationErrorCode::MANDATORY_ONEOF_ATTR_MISSING;
+  $o_1747->format = 'The tag \'%1\' is missing a mandatory attribute - pick one of %2.';
+  $o_0->error_formats[] = $o_1747;
+  $o_1748 = new ErrorFormat();
+  $o_1748->code = ValidationErrorCode::WRONG_PARENT_TAG;
+  $o_1748->format = 'The parent tag of tag \'%1\' is \'%2\', but it can only be \'%3\'.';
+  $o_0->error_formats[] = $o_1748;
+  $o_1749 = new ErrorFormat();
+  $o_1749->code = ValidationErrorCode::DISALLOWED_TAG_ANCESTOR;
+  $o_1749->format = 'The tag \'%1\' may not appear as a descendant of tag \'%2\'.';
+  $o_0->error_formats[] = $o_1749;
+  $o_1750 = new ErrorFormat();
+  $o_1750->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR;
+  $o_1750->format = 'The tag \'%1\' may only appear as a descendant of tag \'%2\'.';
+  $o_0->error_formats[] = $o_1750;
+  $o_1751 = new ErrorFormat();
+  $o_1751->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR_WITH_HINT;
+  $o_1751->format = 'The tag \'%1\' may only appear as a descendant of tag \'%2\'. Did you mean \'%3\'?';
+  $o_0->error_formats[] = $o_1751;
+  $o_1752 = new ErrorFormat();
+  $o_1752->code = ValidationErrorCode::DUPLICATE_UNIQUE_TAG;
+  $o_1752->format = 'The tag \'%1\' appears more than once in the document.';
+  $o_0->error_formats[] = $o_1752;
+  $o_1753 = new ErrorFormat();
+  $o_1753->code = ValidationErrorCode::DUPLICATE_UNIQUE_TAG_WARNING;
+  $o_1753->format = 'The tag \'%1\' appears more than once in the document. This will soon be an error.';
+  $o_0->error_formats[] = $o_1753;
+  $o_1754 = new ErrorFormat();
+  $o_1754->code = ValidationErrorCode::TEMPLATE_IN_ATTR_NAME;
+  $o_1754->format = 'Mustache template syntax in attribute name \'%1\' in tag \'%2\'.';
+  $o_0->error_formats[] = $o_1754;
+  $o_1755 = new ErrorFormat();
+  $o_1755->code = ValidationErrorCode::ATTR_DISALLOWED_BY_IMPLIED_LAYOUT;
+  $o_1755->format = 'The attribute \'%1\' in tag \'%2\' is disallowed by implied layout \'%3\'.';
+  $o_0->error_formats[] = $o_1755;
+  $o_1756 = new ErrorFormat();
+  $o_1756->code = ValidationErrorCode::ATTR_DISALLOWED_BY_SPECIFIED_LAYOUT;
+  $o_1756->format = 'The attribute \'%1\' in tag \'%2\' is disallowed by specified layout \'%3\'.';
+  $o_0->error_formats[] = $o_1756;
+  $o_1757 = new ErrorFormat();
+  $o_1757->code = ValidationErrorCode::INCORRECT_NUM_CHILD_TAGS;
+  $o_1757->format = 'Tag \'%1\' must have %2 child tags - saw %3 child tags.';
+  $o_0->error_formats[] = $o_1757;
+  $o_1758 = new ErrorFormat();
+  $o_1758->code = ValidationErrorCode::DISALLOWED_CHILD_TAG_NAME;
+  $o_1758->format = 'Tag \'%1\' is disallowed as child of tag \'%2\'. Child tag must be one of %3.';
+  $o_0->error_formats[] = $o_1758;
+  $o_1759 = new ErrorFormat();
+  $o_1759->code = ValidationErrorCode::DISALLOWED_FIRST_CHILD_TAG_NAME;
+  $o_1759->format = 'Tag \'%1\' is disallowed as first child of tag \'%2\'. First child tag must be one of %3.';
+  $o_0->error_formats[] = $o_1759;
+  $o_1760 = new ErrorFormat();
+  $o_1760->code = ValidationErrorCode::DISALLOWED_MANUFACTURED_BODY;
+  $o_1760->format = 'Tag or text which is only allowed inside the body section found outside of the body section.';
+  $o_0->error_formats[] = $o_1760;
+  $o_1761 = new ErrorFormat();
+  $o_1761->code = ValidationErrorCode::CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT;
+  $o_1761->format = 'The tag \'%1\', a child tag of \'%2\', does not satisfy one of the acceptable reference points: %3.';
+  $o_0->error_formats[] = $o_1761;
+  $o_1762 = new ErrorFormat();
+  $o_1762->code = ValidationErrorCode::CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT_SINGULAR;
+  $o_1762->format = 'The tag \'%1\', a child tag of \'%2\', does not satisfy the reference point \'%3\'.';
+  $o_0->error_formats[] = $o_1762;
+  $o_1763 = new ErrorFormat();
+  $o_1763->code = ValidationErrorCode::MANDATORY_REFERENCE_POINT_MISSING;
+  $o_1763->format = 'The mandatory reference point \'%1\' for \'%2\' is missing.';
+  $o_0->error_formats[] = $o_1763;
+  $o_1764 = new ErrorFormat();
+  $o_1764->code = ValidationErrorCode::DUPLICATE_REFERENCE_POINT;
+  $o_1764->format = 'The reference point \'%1\' for \'%2\' must be unique but a duplicate was encountered.';
+  $o_0->error_formats[] = $o_1764;
+  $o_1765 = new ErrorFormat();
+  $o_1765->code = ValidationErrorCode::TAG_REFERENCE_POINT_CONFLICT;
+  $o_1765->format = 'The tag \'%1\' conflicts with reference point \'%2\' because both define reference points.';
+  $o_0->error_formats[] = $o_1765;
+  $o_1766 = new ErrorFormat();
+  $o_1766->code = ValidationErrorCode::BASE_TAG_MUST_PRECEED_ALL_URLS;
+  $o_1766->format = 'The tag \'%1\', which contains URLs, was found earlier in the document than the BASE element.';
+  $o_0->error_formats[] = $o_1766;
+  $o_1767 = new ErrorFormat();
+  $o_1767->code = ValidationErrorCode::CSS_SYNTAX;
+  $o_1767->format = 'CSS syntax error in tag \'%1\' - %2.';
+  $o_0->error_formats[] = $o_1767;
+  $o_1768 = new ErrorFormat();
+  $o_1768->code = ValidationErrorCode::CSS_SYNTAX_INVALID_AT_RULE;
+  $o_1768->format = 'CSS syntax error in tag \'%1\' - saw invalid at rule \'@%2\'.';
+  $o_0->error_formats[] = $o_1768;
+  $o_1769 = new ErrorFormat();
+  $o_1769->code = ValidationErrorCode::CSS_SYNTAX_STRAY_TRAILING_BACKSLASH;
+  $o_1769->format = 'CSS syntax error in tag \'%1\' - stray trailing backslash.';
+  $o_0->error_formats[] = $o_1769;
+  $o_1770 = new ErrorFormat();
+  $o_1770->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_COMMENT;
+  $o_1770->format = 'CSS syntax error in tag \'%1\' - unterminated comment.';
+  $o_0->error_formats[] = $o_1770;
+  $o_1771 = new ErrorFormat();
+  $o_1771->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_STRING;
+  $o_1771->format = 'CSS syntax error in tag \'%1\' - unterminated string.';
+  $o_0->error_formats[] = $o_1771;
+  $o_1772 = new ErrorFormat();
+  $o_1772->code = ValidationErrorCode::CSS_SYNTAX_BAD_URL;
+  $o_1772->format = 'CSS syntax error in tag \'%1\' - bad url.';
+  $o_0->error_formats[] = $o_1772;
+  $o_1773 = new ErrorFormat();
+  $o_1773->code = ValidationErrorCode::CSS_SYNTAX_EOF_IN_PRELUDE_OF_QUALIFIED_RULE;
+  $o_1773->format = 'CSS syntax error in tag \'%1\' - end of stylesheet encountered in prelude of a qualified rule.';
+  $o_0->error_formats[] = $o_1773;
+  $o_1774 = new ErrorFormat();
+  $o_1774->code = ValidationErrorCode::CSS_SYNTAX_INVALID_DECLARATION;
+  $o_1774->format = 'CSS syntax error in tag \'%1\' - invalid declaration.';
+  $o_0->error_formats[] = $o_1774;
+  $o_1775 = new ErrorFormat();
+  $o_1775->code = ValidationErrorCode::CSS_SYNTAX_INCOMPLETE_DECLARATION;
+  $o_1775->format = 'CSS syntax error in tag \'%1\' - incomplete declaration.';
+  $o_0->error_formats[] = $o_1775;
+  $o_1776 = new ErrorFormat();
+  $o_1776->code = ValidationErrorCode::CSS_SYNTAX_ERROR_IN_PSEUDO_SELECTOR;
+  $o_1776->format = 'CSS syntax error in tag \'%1\' - invalid pseudo selector.';
+  $o_0->error_formats[] = $o_1776;
+  $o_1777 = new ErrorFormat();
+  $o_1777->code = ValidationErrorCode::CSS_SYNTAX_MISSING_SELECTOR;
+  $o_1777->format = 'CSS syntax error in tag \'%1\' - missing selector.';
+  $o_0->error_formats[] = $o_1777;
+  $o_1778 = new ErrorFormat();
+  $o_1778->code = ValidationErrorCode::CSS_SYNTAX_NOT_A_SELECTOR_START;
+  $o_1778->format = 'CSS syntax error in tag \'%1\' - not a selector start.';
+  $o_0->error_formats[] = $o_1778;
+  $o_1779 = new ErrorFormat();
+  $o_1779->code = ValidationErrorCode::CSS_SYNTAX_UNPARSED_INPUT_REMAINS_IN_SELECTOR;
+  $o_1779->format = 'CSS syntax error in tag \'%1\' - unparsed input remains in selector.';
+  $o_0->error_formats[] = $o_1779;
+  $o_1780 = new ErrorFormat();
+  $o_1780->code = ValidationErrorCode::CSS_SYNTAX_MISSING_URL;
+  $o_1780->format = 'CSS syntax error in tag \'%1\' - missing url.';
+  $o_0->error_formats[] = $o_1780;
+  $o_1781 = new ErrorFormat();
+  $o_1781->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL;
+  $o_1781->format = 'CSS syntax error in tag \'%1\' - invalid url \'%2\'.';
+  $o_0->error_formats[] = $o_1781;
+  $o_1782 = new ErrorFormat();
+  $o_1782->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL_PROTOCOL;
+  $o_1782->format = 'CSS syntax error in tag \'%1\' - invalid url protocol \'%2:\'.';
+  $o_0->error_formats[] = $o_1782;
+  $o_1783 = new ErrorFormat();
+  $o_1783->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_DOMAIN;
+  $o_1783->format = 'CSS syntax error in tag \'%1\' - invalid domain \'%2\'.';
+  $o_0->error_formats[] = $o_1783;
+  $o_1784 = new ErrorFormat();
+  $o_1784->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_RELATIVE_URL;
+  $o_1784->format = 'CSS syntax error in tag \'%1\' - disallowed relative url \'%2\'.';
+  $o_0->error_formats[] = $o_1784;
+  $o_1785 = new ErrorFormat();
+  $o_1785->code = ValidationErrorCode::CSS_SYNTAX_INVALID_ATTR_SELECTOR;
+  $o_1785->format = 'CSS syntax error in tag \'%1\' - invalid attribute selector.';
+  $o_0->error_formats[] = $o_1785;
+  $o_1786 = new ErrorFormat();
+  $o_1786->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE;
+  $o_1786->format = 'CSS syntax error in tag \'%1\' - the property \'%2\' is set to the disallowed value \'%3\'.';
+  $o_0->error_formats[] = $o_1786;
+  $o_1787 = new ErrorFormat();
+  $o_1787->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE_WITH_HINT;
+  $o_1787->format = 'CSS syntax error in tag \'%1\' - the property \'%2\' is set to the disallowed value \'%3\'. Allowed values: %4.';
+  $o_0->error_formats[] = $o_1787;
+  $o_1788 = new ErrorFormat();
+  $o_1788->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_DISALLOWED_WITHIN_AT_RULE;
+  $o_1788->format = 'CSS syntax error in tag \'%1\' - the property \'%2\' is disallowed within @%3. Allowed properties: %4.';
+  $o_0->error_formats[] = $o_1788;
+  $o_1789 = new ErrorFormat();
+  $o_1789->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_DISALLOWED_TOGETHER_WITH;
+  $o_1789->format = 'CSS syntax error in tag \'%1\' - the property \'%2\' is disallowed together with \'%3\'. Allowed properties: %4.';
+  $o_0->error_formats[] = $o_1789;
+  $o_1790 = new ErrorFormat();
+  $o_1790->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_REQUIRES_QUALIFICATION;
+  $o_1790->format = 'CSS syntax error in tag \'%1\' - the property \'%2\' is disallowed unless the enclosing rule is prefixed with the \'%3\' qualification.';
+  $o_0->error_formats[] = $o_1790;
+  $o_1791 = new ErrorSpecificity();
+  $o_1791->code = ValidationErrorCode::UNKNOWN_CODE;
+  $o_1791->specificity = 0;
+  $o_0->error_specificity[] = $o_1791;
+  $o_1792 = new ErrorSpecificity();
+  $o_1792->code = ValidationErrorCode::MANDATORY_CDATA_MISSING_OR_INCORRECT;
+  $o_1792->specificity = 1;
+  $o_0->error_specificity[] = $o_1792;
+  $o_1793 = new ErrorSpecificity();
+  $o_1793->code = ValidationErrorCode::CDATA_VIOLATES_BLACKLIST;
+  $o_1793->specificity = 2;
+  $o_0->error_specificity[] = $o_1793;
+  $o_1794 = new ErrorSpecificity();
+  $o_1794->code = ValidationErrorCode::WRONG_PARENT_TAG;
+  $o_1794->specificity = 3;
+  $o_0->error_specificity[] = $o_1794;
+  $o_1795 = new ErrorSpecificity();
+  $o_1795->code = ValidationErrorCode::DISALLOWED_TAG_ANCESTOR;
+  $o_1795->specificity = 4;
+  $o_0->error_specificity[] = $o_1795;
+  $o_1796 = new ErrorSpecificity();
+  $o_1796->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR;
+  $o_1796->specificity = 5;
+  $o_0->error_specificity[] = $o_1796;
+  $o_1797 = new ErrorSpecificity();
+  $o_1797->code = ValidationErrorCode::MANDATORY_TAG_ANCESTOR_WITH_HINT;
+  $o_1797->specificity = 6;
+  $o_0->error_specificity[] = $o_1797;
+  $o_1798 = new ErrorSpecificity();
+  $o_1798->code = ValidationErrorCode::MANDATORY_TAG_MISSING;
+  $o_1798->specificity = 7;
+  $o_0->error_specificity[] = $o_1798;
+  $o_1799 = new ErrorSpecificity();
+  $o_1799->code = ValidationErrorCode::TAG_REQUIRED_BY_MISSING;
+  $o_1799->specificity = 8;
+  $o_0->error_specificity[] = $o_1799;
+  $o_1800 = new ErrorSpecificity();
+  $o_1800->code = ValidationErrorCode::WARNING_TAG_REQUIRED_BY_MISSING;
+  $o_1800->specificity = 9;
+  $o_0->error_specificity[] = $o_1800;
+  $o_1801 = new ErrorSpecificity();
+  $o_1801->code = ValidationErrorCode::WARNING_EXTENSION_UNUSED;
+  $o_1801->specificity = 10;
+  $o_0->error_specificity[] = $o_1801;
+  $o_1802 = new ErrorSpecificity();
+  $o_1802->code = ValidationErrorCode::ATTR_REQUIRED_BUT_MISSING;
+  $o_1802->specificity = 11;
+  $o_0->error_specificity[] = $o_1802;
+  $o_1803 = new ErrorSpecificity();
+  $o_1803->code = ValidationErrorCode::DISALLOWED_TAG;
+  $o_1803->specificity = 12;
+  $o_0->error_specificity[] = $o_1803;
+  $o_1804 = new ErrorSpecificity();
+  $o_1804->code = ValidationErrorCode::DISALLOWED_ATTR;
+  $o_1804->specificity = 13;
+  $o_0->error_specificity[] = $o_1804;
+  $o_1805 = new ErrorSpecificity();
+  $o_1805->code = ValidationErrorCode::INVALID_ATTR_VALUE;
+  $o_1805->specificity = 14;
+  $o_0->error_specificity[] = $o_1805;
+  $o_1806 = new ErrorSpecificity();
+  $o_1806->code = ValidationErrorCode::ATTR_VALUE_REQUIRED_BY_LAYOUT;
+  $o_1806->specificity = 15;
+  $o_0->error_specificity[] = $o_1806;
+  $o_1807 = new ErrorSpecificity();
+  $o_1807->code = ValidationErrorCode::MANDATORY_ATTR_MISSING;
+  $o_1807->specificity = 16;
+  $o_0->error_specificity[] = $o_1807;
+  $o_1808 = new ErrorSpecificity();
+  $o_1808->code = ValidationErrorCode::MANDATORY_ONEOF_ATTR_MISSING;
+  $o_1808->specificity = 17;
+  $o_0->error_specificity[] = $o_1808;
+  $o_1809 = new ErrorSpecificity();
+  $o_1809->code = ValidationErrorCode::DUPLICATE_UNIQUE_TAG;
+  $o_1809->specificity = 18;
+  $o_0->error_specificity[] = $o_1809;
+  $o_1810 = new ErrorSpecificity();
+  $o_1810->code = ValidationErrorCode::DUPLICATE_UNIQUE_TAG_WARNING;
+  $o_1810->specificity = 19;
+  $o_0->error_specificity[] = $o_1810;
+  $o_1811 = new ErrorSpecificity();
+  $o_1811->code = ValidationErrorCode::STYLESHEET_TOO_LONG_OLD_VARIANT;
+  $o_1811->specificity = 20;
+  $o_0->error_specificity[] = $o_1811;
+  $o_1812 = new ErrorSpecificity();
+  $o_1812->code = ValidationErrorCode::STYLESHEET_TOO_LONG;
+  $o_1812->specificity = 21;
+  $o_0->error_specificity[] = $o_1812;
+  $o_1813 = new ErrorSpecificity();
+  $o_1813->code = ValidationErrorCode::CSS_SYNTAX;
+  $o_1813->specificity = 22;
+  $o_0->error_specificity[] = $o_1813;
+  $o_1814 = new ErrorSpecificity();
+  $o_1814->code = ValidationErrorCode::CSS_SYNTAX_INVALID_AT_RULE;
+  $o_1814->specificity = 23;
+  $o_0->error_specificity[] = $o_1814;
+  $o_1815 = new ErrorSpecificity();
+  $o_1815->code = ValidationErrorCode::MANDATORY_PROPERTY_MISSING_FROM_ATTR_VALUE;
+  $o_1815->specificity = 24;
+  $o_0->error_specificity[] = $o_1815;
+  $o_1816 = new ErrorSpecificity();
+  $o_1816->code = ValidationErrorCode::INVALID_PROPERTY_VALUE_IN_ATTR_VALUE;
+  $o_1816->specificity = 25;
+  $o_0->error_specificity[] = $o_1816;
+  $o_1817 = new ErrorSpecificity();
+  $o_1817->code = ValidationErrorCode::DISALLOWED_PROPERTY_IN_ATTR_VALUE;
+  $o_1817->specificity = 26;
+  $o_0->error_specificity[] = $o_1817;
+  $o_1818 = new ErrorSpecificity();
+  $o_1818->code = ValidationErrorCode::MUTUALLY_EXCLUSIVE_ATTRS;
+  $o_1818->specificity = 27;
+  $o_0->error_specificity[] = $o_1818;
+  $o_1819 = new ErrorSpecificity();
+  $o_1819->code = ValidationErrorCode::UNESCAPED_TEMPLATE_IN_ATTR_VALUE;
+  $o_1819->specificity = 28;
+  $o_0->error_specificity[] = $o_1819;
+  $o_1820 = new ErrorSpecificity();
+  $o_1820->code = ValidationErrorCode::TEMPLATE_PARTIAL_IN_ATTR_VALUE;
+  $o_1820->specificity = 29;
+  $o_0->error_specificity[] = $o_1820;
+  $o_1821 = new ErrorSpecificity();
+  $o_1821->code = ValidationErrorCode::TEMPLATE_IN_ATTR_NAME;
+  $o_1821->specificity = 30;
+  $o_0->error_specificity[] = $o_1821;
+  $o_1822 = new ErrorSpecificity();
+  $o_1822->code = ValidationErrorCode::INCONSISTENT_UNITS_FOR_WIDTH_AND_HEIGHT;
+  $o_1822->specificity = 31;
+  $o_0->error_specificity[] = $o_1822;
+  $o_1823 = new ErrorSpecificity();
+  $o_1823->code = ValidationErrorCode::IMPLIED_LAYOUT_INVALID;
+  $o_1823->specificity = 32;
+  $o_0->error_specificity[] = $o_1823;
+  $o_1824 = new ErrorSpecificity();
+  $o_1824->code = ValidationErrorCode::SPECIFIED_LAYOUT_INVALID;
+  $o_1824->specificity = 33;
+  $o_0->error_specificity[] = $o_1824;
+  $o_1825 = new ErrorSpecificity();
+  $o_1825->code = ValidationErrorCode::DEV_MODE_ENABLED;
+  $o_1825->specificity = 34;
+  $o_0->error_specificity[] = $o_1825;
+  $o_1826 = new ErrorSpecificity();
+  $o_1826->code = ValidationErrorCode::ATTR_DISALLOWED_BY_IMPLIED_LAYOUT;
+  $o_1826->specificity = 35;
+  $o_0->error_specificity[] = $o_1826;
+  $o_1827 = new ErrorSpecificity();
+  $o_1827->code = ValidationErrorCode::ATTR_DISALLOWED_BY_SPECIFIED_LAYOUT;
+  $o_1827->specificity = 36;
+  $o_0->error_specificity[] = $o_1827;
+  $o_1828 = new ErrorSpecificity();
+  $o_1828->code = ValidationErrorCode::DUPLICATE_DIMENSION;
+  $o_1828->specificity = 37;
+  $o_0->error_specificity[] = $o_1828;
+  $o_1829 = new ErrorSpecificity();
+  $o_1829->code = ValidationErrorCode::DISALLOWED_RELATIVE_URL;
+  $o_1829->specificity = 38;
+  $o_0->error_specificity[] = $o_1829;
+  $o_1830 = new ErrorSpecificity();
+  $o_1830->code = ValidationErrorCode::MISSING_URL;
+  $o_1830->specificity = 39;
+  $o_0->error_specificity[] = $o_1830;
+  $o_1831 = new ErrorSpecificity();
+  $o_1831->code = ValidationErrorCode::DISALLOWED_DOMAIN;
+  $o_1831->specificity = 40;
+  $o_0->error_specificity[] = $o_1831;
+  $o_1832 = new ErrorSpecificity();
+  $o_1832->code = ValidationErrorCode::INVALID_URL_PROTOCOL;
+  $o_1832->specificity = 41;
+  $o_0->error_specificity[] = $o_1832;
+  $o_1833 = new ErrorSpecificity();
+  $o_1833->code = ValidationErrorCode::INVALID_URL;
+  $o_1833->specificity = 42;
+  $o_0->error_specificity[] = $o_1833;
+  $o_1834 = new ErrorSpecificity();
+  $o_1834->code = ValidationErrorCode::CSS_SYNTAX_STRAY_TRAILING_BACKSLASH;
+  $o_1834->specificity = 43;
+  $o_0->error_specificity[] = $o_1834;
+  $o_1835 = new ErrorSpecificity();
+  $o_1835->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_COMMENT;
+  $o_1835->specificity = 44;
+  $o_0->error_specificity[] = $o_1835;
+  $o_1836 = new ErrorSpecificity();
+  $o_1836->code = ValidationErrorCode::CSS_SYNTAX_UNTERMINATED_STRING;
+  $o_1836->specificity = 45;
+  $o_0->error_specificity[] = $o_1836;
+  $o_1837 = new ErrorSpecificity();
+  $o_1837->code = ValidationErrorCode::CSS_SYNTAX_BAD_URL;
+  $o_1837->specificity = 46;
+  $o_0->error_specificity[] = $o_1837;
+  $o_1838 = new ErrorSpecificity();
+  $o_1838->code = ValidationErrorCode::CSS_SYNTAX_EOF_IN_PRELUDE_OF_QUALIFIED_RULE;
+  $o_1838->specificity = 47;
+  $o_0->error_specificity[] = $o_1838;
+  $o_1839 = new ErrorSpecificity();
+  $o_1839->code = ValidationErrorCode::CSS_SYNTAX_INVALID_DECLARATION;
+  $o_1839->specificity = 48;
+  $o_0->error_specificity[] = $o_1839;
+  $o_1840 = new ErrorSpecificity();
+  $o_1840->code = ValidationErrorCode::CSS_SYNTAX_INCOMPLETE_DECLARATION;
+  $o_1840->specificity = 49;
+  $o_0->error_specificity[] = $o_1840;
+  $o_1841 = new ErrorSpecificity();
+  $o_1841->code = ValidationErrorCode::CSS_SYNTAX_ERROR_IN_PSEUDO_SELECTOR;
+  $o_1841->specificity = 50;
+  $o_0->error_specificity[] = $o_1841;
+  $o_1842 = new ErrorSpecificity();
+  $o_1842->code = ValidationErrorCode::CSS_SYNTAX_MISSING_SELECTOR;
+  $o_1842->specificity = 51;
+  $o_0->error_specificity[] = $o_1842;
+  $o_1843 = new ErrorSpecificity();
+  $o_1843->code = ValidationErrorCode::CSS_SYNTAX_NOT_A_SELECTOR_START;
+  $o_1843->specificity = 52;
+  $o_0->error_specificity[] = $o_1843;
+  $o_1844 = new ErrorSpecificity();
+  $o_1844->code = ValidationErrorCode::CSS_SYNTAX_UNPARSED_INPUT_REMAINS_IN_SELECTOR;
+  $o_1844->specificity = 53;
+  $o_0->error_specificity[] = $o_1844;
+  $o_1845 = new ErrorSpecificity();
+  $o_1845->code = ValidationErrorCode::CSS_SYNTAX_MISSING_URL;
+  $o_1845->specificity = 54;
+  $o_0->error_specificity[] = $o_1845;
+  $o_1846 = new ErrorSpecificity();
+  $o_1846->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_DOMAIN;
+  $o_1846->specificity = 55;
+  $o_0->error_specificity[] = $o_1846;
+  $o_1847 = new ErrorSpecificity();
+  $o_1847->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL;
+  $o_1847->specificity = 56;
+  $o_0->error_specificity[] = $o_1847;
+  $o_1848 = new ErrorSpecificity();
+  $o_1848->code = ValidationErrorCode::CSS_SYNTAX_INVALID_URL_PROTOCOL;
+  $o_1848->specificity = 57;
+  $o_0->error_specificity[] = $o_1848;
+  $o_1849 = new ErrorSpecificity();
+  $o_1849->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_RELATIVE_URL;
+  $o_1849->specificity = 58;
+  $o_0->error_specificity[] = $o_1849;
+  $o_1850 = new ErrorSpecificity();
+  $o_1850->code = ValidationErrorCode::INCORRECT_NUM_CHILD_TAGS;
+  $o_1850->specificity = 59;
+  $o_0->error_specificity[] = $o_1850;
+  $o_1851 = new ErrorSpecificity();
+  $o_1851->code = ValidationErrorCode::DISALLOWED_CHILD_TAG_NAME;
+  $o_1851->specificity = 60;
+  $o_0->error_specificity[] = $o_1851;
+  $o_1852 = new ErrorSpecificity();
+  $o_1852->code = ValidationErrorCode::DISALLOWED_FIRST_CHILD_TAG_NAME;
+  $o_1852->specificity = 61;
+  $o_0->error_specificity[] = $o_1852;
+  $o_1853 = new ErrorSpecificity();
+  $o_1853->code = ValidationErrorCode::CSS_SYNTAX_INVALID_ATTR_SELECTOR;
+  $o_1853->specificity = 62;
+  $o_0->error_specificity[] = $o_1853;
+  $o_1854 = new ErrorSpecificity();
+  $o_1854->code = ValidationErrorCode::CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT;
+  $o_1854->specificity = 63;
+  $o_0->error_specificity[] = $o_1854;
+  $o_1855 = new ErrorSpecificity();
+  $o_1855->code = ValidationErrorCode::MANDATORY_REFERENCE_POINT_MISSING;
+  $o_1855->specificity = 64;
+  $o_0->error_specificity[] = $o_1855;
+  $o_1856 = new ErrorSpecificity();
+  $o_1856->code = ValidationErrorCode::DUPLICATE_REFERENCE_POINT;
+  $o_1856->specificity = 65;
+  $o_0->error_specificity[] = $o_1856;
+  $o_1857 = new ErrorSpecificity();
+  $o_1857->code = ValidationErrorCode::TAG_REFERENCE_POINT_CONFLICT;
+  $o_1857->specificity = 66;
+  $o_0->error_specificity[] = $o_1857;
+  $o_1858 = new ErrorSpecificity();
+  $o_1858->code = ValidationErrorCode::CHILD_TAG_DOES_NOT_SATISFY_REFERENCE_POINT_SINGULAR;
+  $o_1858->specificity = 67;
+  $o_0->error_specificity[] = $o_1858;
+  $o_1859 = new ErrorSpecificity();
+  $o_1859->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE;
+  $o_1859->specificity = 68;
+  $o_0->error_specificity[] = $o_1859;
+  $o_1860 = new ErrorSpecificity();
+  $o_1860->code = ValidationErrorCode::CSS_SYNTAX_DISALLOWED_PROPERTY_VALUE_WITH_HINT;
+  $o_1860->specificity = 69;
+  $o_0->error_specificity[] = $o_1860;
+  $o_1861 = new ErrorSpecificity();
+  $o_1861->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_DISALLOWED_WITHIN_AT_RULE;
+  $o_1861->specificity = 70;
+  $o_0->error_specificity[] = $o_1861;
+  $o_1862 = new ErrorSpecificity();
+  $o_1862->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_DISALLOWED_TOGETHER_WITH;
+  $o_1862->specificity = 71;
+  $o_0->error_specificity[] = $o_1862;
+  $o_1863 = new ErrorSpecificity();
+  $o_1863->code = ValidationErrorCode::CSS_SYNTAX_PROPERTY_REQUIRES_QUALIFICATION;
+  $o_1863->specificity = 72;
+  $o_0->error_specificity[] = $o_1863;
+  $o_1864 = new ErrorSpecificity();
+  $o_1864->code = ValidationErrorCode::BASE_TAG_MUST_PRECEED_ALL_URLS;
+  $o_1864->specificity = 73;
+  $o_0->error_specificity[] = $o_1864;
+  $o_1865 = new ErrorSpecificity();
+  $o_1865->code = ValidationErrorCode::GENERAL_DISALLOWED_TAG;
+  $o_1865->specificity = 100;
+  $o_0->error_specificity[] = $o_1865;
+  $o_1866 = new ErrorSpecificity();
+  $o_1866->code = ValidationErrorCode::DEPRECATED_ATTR;
+  $o_1866->specificity = 101;
+  $o_0->error_specificity[] = $o_1866;
+  $o_1867 = new ErrorSpecificity();
+  $o_1867->code = ValidationErrorCode::DEPRECATED_TAG;
+  $o_1867->specificity = 102;
+  $o_0->error_specificity[] = $o_1867;
+  $o_1868 = new ErrorSpecificity();
+  $o_1868->code = ValidationErrorCode::DISALLOWED_MANUFACTURED_BODY;
+  $o_1868->specificity = 104;
+  $o_0->error_specificity[] = $o_1868;
   return $o_0;
   }
 }
diff --git a/src/Utility/ActionTakenType.php b/src/Utility/ActionTakenType.php
index 0a9a8817..67d1759b 100644
--- a/src/Utility/ActionTakenType.php
+++ b/src/Utility/ActionTakenType.php
@@ -25,6 +25,7 @@ class ActionTakenType
     const PROPERTY_REMOVED_ATTRIBUTE_REMOVED = 'property value pair was removed from attribute due to validation issues. The resulting attribute was empty and was also removed.';
     const IMG_CONVERTED = 'tag was converted to the amp-img tag.';
     const IMG_PIXEL_CONVERTED = 'tag was converted to the amp-pixel tag.';
+    const IMG_ANIM_CONVERTED = 'tag was converted to the amp-anim tag.';
     const IMG_COULD_NOT_BE_CONVERTED = 'tag could NOT be converted to the amp-img tag as the image is not accessible.';
     const INSTAGRAM_CONVERTED = 'instagram embed code was converted to the amp-instagram tag.';
     const PINTEREST_CONVERTED = 'pinterest embed code was converted to the amp-pinterest tag.';
@@ -33,6 +34,7 @@ class ActionTakenType
     const FACEBOOK_JSDK_CONVERTED = 'facebook javascript sdk embed code was converted to the amp-facebook tag.';
     const FACEBOOK_SCRIPT_REMOVED = 'facebook script tag was removed.';
     const VIMEO_CONVERTED = 'vimeo embed code was converted to the amp-vimeo tag.';
+    const HULU_CONVERTED = 'hulu embed code was converted to the amp-hulu tag.';
     const DAILYMOTION_CONVERTED = 'dailymotion embed code was converted to the amp-dailymotion tag.';
     const TWITTER_CONVERTED = 'twitter embed code was converted to the amp-twitter tag.';
     const IFRAME_CONVERTED = 'tag was converted to the amp-iframe tag.';
diff --git a/src/Validate/Context.php b/src/Validate/Context.php
index 52da46dc..7797f740 100644
--- a/src/Validate/Context.php
+++ b/src/Validate/Context.php
@@ -74,6 +74,7 @@ class Context
     protected $component_js = [];
 
     public static $component_mappings = [
+        'amp-ad' => 'https://cdn.ampproject.org/v0/amp-ad-0.1.js',
         'amp-analytics' => 'https://cdn.ampproject.org/v0/amp-analytics-0.1.js',
         'amp-anim' => 'https://cdn.ampproject.org/v0/amp-anim-0.1.js',
         'amp-audio' => 'https://cdn.ampproject.org/v0/amp-audio-0.1.js',
@@ -83,6 +84,7 @@ class Context
         'amp-facebook' => 'https://cdn.ampproject.org/v0/amp-facebook-0.1.js',
         'amp-fit-text' => 'https://cdn.ampproject.org/v0/amp-fit-text-0.1.js',
         'amp-font' => 'https://cdn.ampproject.org/v0/amp-font-0.1.js',
+        'amp-hulu' => 'https://cdn.ampproject.org/v0/amp-hulu-0.1.js',
         'amp-iframe' => 'https://cdn.ampproject.org/v0/amp-iframe-0.1.js',
         'amp-instagram' => 'https://cdn.ampproject.org/v0/amp-instagram-0.1.js',
         'amp-install-serviceworker' => 'https://cdn.ampproject.org/v0/amp-install-serviceworker-0.1.js',
@@ -96,6 +98,7 @@ class Context
         'amp-vine' => 'https://cdn.ampproject.org/v0/amp-vine-0.1.js',
         'amp-vimeo' => 'https://cdn.ampproject.org/v0/amp-vimeo-0.1.js',
         'amp-youtube' => 'https://cdn.ampproject.org/v0/amp-youtube-0.1.js',
+        'amp-sidebar' => 'https://cdn.ampproject.org/v0/amp-sidebar-0.1.js',
         'template' => 'https://cdn.ampproject.org/v0/amp-mustache-0.1.js'
     ];
 
@@ -451,7 +454,7 @@ public function ignoreError()
     public function addErrorWithLine($line, $validation_error_code, array $params, $spec_url, SValidationResult $validation_result, $attr_name = '', $segment = '')
     {
         // We currently don't issue this error as we're only looking at DOMElements
-        if ($validation_error_code == ValidationErrorCode::MANDATORY_TAG_MISSING && isset($params[0]) && $params[0] == 'html doctype') {
+        if ($validation_error_code == ValidationErrorCode::MANDATORY_TAG_MISSING && isset($params[0]) && in_array($params[0], ['html doctype', 'html \u26a14ads for top-level html', 'amp4ads engine amp4ads-v0.js script'])) {
             return true;
         }
 
diff --git a/src/Validate/ParsedTagSpec.php b/src/Validate/ParsedTagSpec.php
index 32981647..1f10280d 100644
--- a/src/Validate/ParsedTagSpec.php
+++ b/src/Validate/ParsedTagSpec.php
@@ -139,7 +139,7 @@ public function getDispatchKey()
         assert(!empty($attr_name));
         /** @var string $mandatory_parent */
         $mandatory_parent = empty($this->spec->mandatory_parent) ? '' : $this->spec->mandatory_parent;
-        $attr_value = $this->dispatch_key_attr_spec->getSpec()->value;
+        $attr_value = isset($this->dispatch_key_attr_spec->getSpec()->value) ? $this->dispatch_key_attr_spec->getSpec()->value : $this->dispatch_key_attr_spec->getSpec()->value_casei;
         if (empty(($attr_value))) {
             $attr_value = '';
         }
diff --git a/tests/test-data/fragment-html/facebook-iframe-fragment.html b/tests/test-data/fragment-html/facebook-iframe-fragment.html
index b791dd49..0278e42b 100644
--- a/tests/test-data/fragment-html/facebook-iframe-fragment.html
+++ b/tests/test-data/fragment-html/facebook-iframe-fragment.html
@@ -13,3 +13,7 @@
         width="500" height="290" style="border:none;overflow:hidden" scrolling="no" frameborder="0"
         allowTransparency="true"></iframe>
 
+<!-- post -->
+<iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fphoto.php%3Ffbid%3D986393557241%26set%3Da.941146602501.2418915.4%26type%3D3&width=500&show_text=true&appId=1355737204455009&height=439"
+        width="500" height="439" style="border:none;overflow:hidden" scrolling="no" frameborder="0"
+        allowTransparency="true"></iframe>
diff --git a/tests/test-data/fragment-html/facebook-iframe-fragment.html.out b/tests/test-data/fragment-html/facebook-iframe-fragment.html.out
index 0806b80e..c896abd2 100644
--- a/tests/test-data/fragment-html/facebook-iframe-fragment.html.out
+++ b/tests/test-data/fragment-html/facebook-iframe-fragment.html.out
@@ -7,6 +7,8 @@
 <!-- post -->
 <amp-facebook layout="responsive" data-href="https://www.facebook.com/20531316728/posts/10154009990506729/" data-embed-as="post" height="290" width="500"></amp-facebook>
 
+<!-- post -->
+<amp-facebook layout="responsive" data-href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3" data-embed-as="post" height="439" width="500"></amp-facebook>
 
 
 ORIGINAL HTML
@@ -26,7 +28,11 @@ Line 12: <iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F
 Line 13:         width="500" height="290" style="border:none;overflow:hidden" scrolling="no" frameborder="0"
 Line 14:         allowTransparency="true"></iframe>
 Line 15: 
-Line 16: 
+Line 16: <!-- post -->
+Line 17: <iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fphoto.php%3Ffbid%3D986393557241%26set%3Da.941146602501.2418915.4%26type%3D3&width=500&show_text=true&appId=1355737204455009&height=439"
+Line 18:         width="500" height="439" style="border:none;overflow:hidden" scrolling="no" frameborder="0"
+Line 19:         allowTransparency="true"></iframe>
+Line 20: 
 
 
 Transformations made from HTML tags to AMP custom tags
@@ -41,6 +47,9 @@ Transformations made from HTML tags to AMP custom tags
 <iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2F20531316728%2Fposts%2F10154009990506729%2F&width=500&show_text=false&height=290&appId" width="500" height="... at line 14
  ACTION TAKEN: iframe facebook embed code was converted to the amp-facebook tag.
 
+<iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fphoto.php%3Ffbid%3D986393557241%26set%3Da.941146602501.2418915.4%26type%3D3&width=500&show_text=true&appId=... at line 19
+ ACTION TAKEN: iframe facebook embed code was converted to the amp-facebook tag.
+
 
 AMP-HTML Validation Issues and Fixes
 -------------------------------------
diff --git a/tests/test-data/fragment-html/facebook-non-iframe-fragment.html b/tests/test-data/fragment-html/facebook-non-iframe-fragment.html
index 87955db7..519996e8 100644
--- a/tests/test-data/fragment-html/facebook-non-iframe-fragment.html
+++ b/tests/test-data/fragment-html/facebook-non-iframe-fragment.html
@@ -25,9 +25,27 @@
     </blockquote>
 </div>
 
+<div class="fb-video" data-href="https://www.facebook.com/video.php?v=10153231379946729" data-width="500"
+     data-show-text="true">
+    <blockquote cite="https://www.facebook.com/video.php?v=10153231379946729" class="fb-xfbml-parse-ignore"><a
+            href="https://www.facebook.com/video.php?v=10153231379946729">How to Share With Just Friends</a>
+        <p>How to share with just friends.</p>Posted by <a href="https://www.facebook.com/facebook/">Facebook</a> on
+        Friday, 5 December 2014
+    </blockquote>
+</div>
+
 <div class="fb-video" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-width="500" data-show-text="false">
     <blockquote cite="https://www.facebook.com/zuck/videos/10103066366848051/" class="fb-xfbml-parse-ignore">
     <a href="https://www.facebook.com/zuck/videos/10103066366848051/">Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</a>
     <p>Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</p>Posted by <a href="https://www.facebook.com/zuck">Mark Zuckerberg</a> on Monday, August 29, 2016
     </blockquote>
+</div>
+
+<div class="fb-post"
+     data-href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3"
+     data-width="500" data-show-text="true">
+    <blockquote cite="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3"
+                class="fb-xfbml-parse-ignore">Posted by <a href="https://www.facebook.com/zuck">Mark Zuckerberg</a> on&nbsp;<a
+            href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3">Wednesday,
+        September 14, 2011</a></blockquote>
 </div>
\ No newline at end of file
diff --git a/tests/test-data/fragment-html/facebook-non-iframe-fragment.html.out b/tests/test-data/fragment-html/facebook-non-iframe-fragment.html.out
index 498795df..05e0c793 100644
--- a/tests/test-data/fragment-html/facebook-non-iframe-fragment.html.out
+++ b/tests/test-data/fragment-html/facebook-non-iframe-fragment.html.out
@@ -5,8 +5,12 @@
 
 <amp-facebook layout="responsive" data-href="https://www.facebook.com/facebook/videos/10153231379946729/" data-embed-as="post" height="366" width="500"></amp-facebook>
 
+<amp-facebook layout="responsive" data-href="https://www.facebook.com/video.php?v=10153231379946729" data-embed-as="post" height="366" width="500"></amp-facebook>
+
 <amp-facebook layout="responsive" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-embed-as="video" height="366" width="500"></amp-facebook>
 
+<amp-facebook layout="responsive" data-href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3" data-embed-as="post" height="366" width="500"></amp-facebook>
+
 ORIGINAL HTML
 ---------------
 Line  1: <div id="fb-root"></div>
@@ -36,12 +40,30 @@ Line 24:         Friday, 5 December 2014
 Line 25:     </blockquote>
 Line 26: </div>
 Line 27: 
-Line 28: <div class="fb-video" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-width="500" data-show-text="false">
-Line 29:     <blockquote cite="https://www.facebook.com/zuck/videos/10103066366848051/" class="fb-xfbml-parse-ignore">
-Line 30:     <a href="https://www.facebook.com/zuck/videos/10103066366848051/">Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</a>
-Line 31:     <p>Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</p>Posted by <a href="https://www.facebook.com/zuck">Mark Zuckerberg</a> on Monday, August 29, 2016
-Line 32:     </blockquote>
-Line 33: </div>
+Line 28: <div class="fb-video" data-href="https://www.facebook.com/video.php?v=10153231379946729" data-width="500"
+Line 29:      data-show-text="true">
+Line 30:     <blockquote cite="https://www.facebook.com/video.php?v=10153231379946729" class="fb-xfbml-parse-ignore"><a
+Line 31:             href="https://www.facebook.com/video.php?v=10153231379946729">How to Share With Just Friends</a>
+Line 32:         <p>How to share with just friends.</p>Posted by <a href="https://www.facebook.com/facebook/">Facebook</a> on
+Line 33:         Friday, 5 December 2014
+Line 34:     </blockquote>
+Line 35: </div>
+Line 36: 
+Line 37: <div class="fb-video" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-width="500" data-show-text="false">
+Line 38:     <blockquote cite="https://www.facebook.com/zuck/videos/10103066366848051/" class="fb-xfbml-parse-ignore">
+Line 39:     <a href="https://www.facebook.com/zuck/videos/10103066366848051/">Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</a>
+Line 40:     <p>Live from our Townhall Q&amp;A in Rome. Comment to ask a question!</p>Posted by <a href="https://www.facebook.com/zuck">Mark Zuckerberg</a> on Monday, August 29, 2016
+Line 41:     </blockquote>
+Line 42: </div>
+Line 43: 
+Line 44: <div class="fb-post"
+Line 45:      data-href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3"
+Line 46:      data-width="500" data-show-text="true">
+Line 47:     <blockquote cite="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3"
+Line 48:                 class="fb-xfbml-parse-ignore">Posted by <a href="https://www.facebook.com/zuck">Mark Zuckerberg</a> on&nbsp;<a
+Line 49:             href="https://www.facebook.com/photo.php?fbid=986393557241&amp;set=a.941146602501.2418915.4&amp;type=3">Wednesday,
+Line 50:         September 14, 2011</a></blockquote>
+Line 51: </div>
 
 
 Transformations made from HTML tags to AMP custom tags
@@ -56,9 +78,15 @@ Transformations made from HTML tags to AMP custom tags
 <div class="fb-video" data-href="https://www.facebook.com/facebook/videos/10153231379946729/" data-width="500" data-show-text="true"> at line 20
  ACTION TAKEN: div.fb-video facebook javascript sdk embed code was converted to the amp-facebook tag.
 
-<div class="fb-video" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-width="500" data-show-text="false"> at line 28
+<div class="fb-video" data-href="https://www.facebook.com/video.php?v=10153231379946729" data-width="500" data-show-text="true"> at line 29
+ ACTION TAKEN: div.fb-video facebook javascript sdk embed code was converted to the amp-facebook tag.
+
+<div class="fb-video" data-href="https://www.facebook.com/zuck/videos/10103066366848051/" data-width="500" data-show-text="false"> at line 37
  ACTION TAKEN: div.fb-video facebook javascript sdk embed code was converted to the amp-facebook tag.
 
+<div class="fb-post" data-href="https://www.facebook.com/photo.php?fbid=986393557241&set=a.941146602501.2418915.4&type=3" data-width="500" data-show-text="true"> at line 46
+ ACTION TAKEN: div.fb-post facebook javascript sdk embed code was converted to the amp-facebook tag.
+
 
 AMP-HTML Validation Issues and Fixes
 -------------------------------------
diff --git a/tests/test-data/fragment-html/hulu-fragment.html b/tests/test-data/fragment-html/hulu-fragment.html
new file mode 100644
index 00000000..4f1c7869
--- /dev/null
+++ b/tests/test-data/fragment-html/hulu-fragment.html
@@ -0,0 +1 @@
+<iframe width="854" height="480" frameborder="0" allowfullscreen="allowfullscreen" src="//www.hulu.com/embed.html?eid=_hHzwnAcj3RrXMJFDDvkuw"></iframe>
diff --git a/tests/test-data/fragment-html/hulu-fragment.html.out b/tests/test-data/fragment-html/hulu-fragment.html.out
new file mode 100644
index 00000000..a58d0e16
--- /dev/null
+++ b/tests/test-data/fragment-html/hulu-fragment.html.out
@@ -0,0 +1,24 @@
+<amp-hulu width="854" height="480" layout="responsive" data-eid="_hHzwnAcj3RrXMJFDDvkuw"></amp-hulu>
+
+
+ORIGINAL HTML
+---------------
+Line 1: <iframe width="854" height="480" frameborder="0" allowfullscreen="allowfullscreen" src="//www.hulu.com/embed.html?eid=_hHzwnAcj3RrXMJFDDvkuw"></iframe>
+Line 2: 
+
+
+Transformations made from HTML tags to AMP custom tags
+-------------------------------------------------------
+
+<iframe width="854" height="480" frameborder allowfullscreen="allowfullscreen" src="//www.hulu.com/embed.html?eid=_hHzwnAcj3RrXMJFDDvkuw"> at line 1
+ ACTION TAKEN: iframe hulu embed code was converted to the amp-hulu tag.
+
+
+AMP-HTML Validation Issues and Fixes
+-------------------------------------
+PASS
+
+COMPONENT NAMES WITH JS PATH
+------------------------------
+'amp-hulu', include path 'https://cdn.ampproject.org/v0/amp-hulu-0.1.js'
+
diff --git a/tests/test-data/fragment-html/img-anim-test-fragment.html b/tests/test-data/fragment-html/img-anim-test-fragment.html
new file mode 100644
index 00000000..26cbce10
--- /dev/null
+++ b/tests/test-data/fragment-html/img-anim-test-fragment.html
@@ -0,0 +1,14 @@
+<!-- should transform to amp-anim-->
+<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/200px-Rotating_earth_%28large%29.gif">
+
+<!-- should transform to amp-img because this gif is not animated -->
+<img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif">
+
+<!-- should transform to amp-anim-->
+<img src="https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png">
+
+<!-- should transform to amp-img because this png is not animated -->
+<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Wikimedia-logo.png/240px-Wikimedia-logo.png">
+
+<!-- nonexistent image, should refuse to convert to amp-img and delete it -->
+<img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg">
diff --git a/tests/test-data/fragment-html/img-anim-test-fragment.html.options.json b/tests/test-data/fragment-html/img-anim-test-fragment.html.options.json
new file mode 100644
index 00000000..e4ef92a8
--- /dev/null
+++ b/tests/test-data/fragment-html/img-anim-test-fragment.html.options.json
@@ -0,0 +1,4 @@
+{
+  "use_amp_anim_tag" : true,
+  "remove_non_converted_img_tag" : true
+}
diff --git a/tests/test-data/fragment-html/img-anim-test-fragment.html.out b/tests/test-data/fragment-html/img-anim-test-fragment.html.out
new file mode 100644
index 00000000..772f89d5
--- /dev/null
+++ b/tests/test-data/fragment-html/img-anim-test-fragment.html.out
@@ -0,0 +1,67 @@
+<!-- should transform to amp-anim-->
+<amp-anim src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/200px-Rotating_earth_%28large%29.gif" width="200" height="200" layout="responsive"></amp-anim>
+
+<!-- should transform to amp-img because this gif is not animated -->
+<amp-img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif" width="46" height="46" layout="responsive"></amp-img>
+
+<!-- should transform to amp-anim-->
+<amp-anim src="https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png" width="100" height="100" layout="responsive"></amp-anim>
+
+<!-- should transform to amp-img because this png is not animated -->
+<amp-img src="https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Wikimedia-logo.png/240px-Wikimedia-logo.png" width="240" height="240" layout="responsive"></amp-img>
+
+<!-- nonexistent image, should refuse to convert to amp-img and delete it -->
+
+
+
+ORIGINAL HTML
+---------------
+Line  1: <!-- should transform to amp-anim-->
+Line  2: <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/200px-Rotating_earth_%28large%29.gif">
+Line  3: 
+Line  4: <!-- should transform to amp-img because this gif is not animated -->
+Line  5: <img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif">
+Line  6: 
+Line  7: <!-- should transform to amp-anim-->
+Line  8: <img src="https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png">
+Line  9: 
+Line 10: <!-- should transform to amp-img because this png is not animated -->
+Line 11: <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Wikimedia-logo.png/240px-Wikimedia-logo.png">
+Line 12: 
+Line 13: <!-- nonexistent image, should refuse to convert to amp-img and delete it -->
+Line 14: <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg">
+Line 15: 
+
+
+Transformations made from HTML tags to AMP custom tags
+-------------------------------------------------------
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_%28large%29.gif/200px-Rotating_earth_%28large%29.gif"> at line 2
+ ACTION TAKEN: img tag was converted to the amp-anim tag.
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif"> at line 5
+ ACTION TAKEN: img tag was converted to the amp-img tag.
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/1/14/Animated_PNG_example_bouncing_beach_ball.png"> at line 8
+ ACTION TAKEN: img tag was converted to the amp-anim tag.
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Wikimedia-logo.png/240px-Wikimedia-logo.png"> at line 11
+ ACTION TAKEN: img tag was converted to the amp-img tag.
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg"> at line 14
+ ACTION TAKEN: img tag could NOT be converted to the amp-img tag as the image is not accessible.
+
+
+AMP-HTML Validation Issues and Fixes
+-------------------------------------
+FAIL
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg"> on line 14
+- The tag 'img' may only appear as a descendant of tag 'noscript'. Did you mean 'amp-img'?
+   [code: MANDATORY_TAG_ANCESTOR_WITH_HINT  category: DISALLOWED_HTML_WITH_AMP_EQUIVALENT see: https://www.ampproject.org/docs/reference/amp-img.html]
+   ACTION TAKEN: img tag was removed due to validation issues.
+
+COMPONENT NAMES WITH JS PATH
+------------------------------
+'amp-anim', include path 'https://cdn.ampproject.org/v0/amp-anim-0.1.js'
+
diff --git a/tests/test-data/fragment-html/img-test-fragment.html b/tests/test-data/fragment-html/img-test-fragment.html
index 504490de..69554435 100644
--- a/tests/test-data/fragment-html/img-test-fragment.html
+++ b/tests/test-data/fragment-html/img-test-fragment.html
@@ -3,10 +3,10 @@
 <!-- should transform to amp-img -->
 <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg">
 
-<!-- should transform to amp-img with responsive layout, preserving the width and height -->
+<!-- should transform to amp-img with fixed layout, preserving the width and height -->
 <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="125" height="96">
 
-<!-- nonexistent image, should refuse to convert to amp-img -->
+<!-- nonexistent image, should refuse to convert to amp-img and keep it as it is -->
 <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg">
 
 <!-- should provide layout and height width and make layout responsive -->
@@ -22,4 +22,7 @@
 <amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625rem" height="480"></amp-img>
 
 <!-- should transform to amp-pixel -->
-<img src="https://upload.wikimedia.org/wikipedia/commons/c/ce/Transparent.gif">
\ No newline at end of file
+<img src="https://upload.wikimedia.org/wikipedia/commons/c/ce/Transparent.gif">
+
+<!-- should transform to amp-img instead of amp-anim because of default option['use_amp_anim_tag'] = false -->
+<img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif">
diff --git a/tests/test-data/fragment-html/img-test-fragment.html.options.json b/tests/test-data/fragment-html/img-test-fragment.html.options.json
new file mode 100644
index 00000000..161df05d
--- /dev/null
+++ b/tests/test-data/fragment-html/img-test-fragment.html.options.json
@@ -0,0 +1,3 @@
+{
+  "img_max_fixed_layout_width" : 200
+}
\ No newline at end of file
diff --git a/tests/test-data/fragment-html/img-test-fragment.html.out b/tests/test-data/fragment-html/img-test-fragment.html.out
index 6309a45c..20a30bb1 100644
--- a/tests/test-data/fragment-html/img-test-fragment.html.out
+++ b/tests/test-data/fragment-html/img-test-fragment.html.out
@@ -3,20 +3,20 @@
 <!-- should transform to amp-img -->
 <amp-img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625" height="480" layout="responsive"></amp-img>
 
-<!-- should transform to amp-img with responsive layout, preserving the width and height -->
-<amp-img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="125" height="96" layout="responsive"></amp-img>
+<!-- should transform to amp-img with fixed layout, preserving the width and height -->
+<amp-img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="125" height="96" layout="fixed"></amp-img>
 
-<!-- nonexistent image, should refuse to convert to amp-img -->
+<!-- nonexistent image, should refuse to convert to amp-img and keep it as it is -->
 <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg">
 
 <!-- should provide layout and height width and make layout responsive -->
 <amp-img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" layout="responsive" width="625" height="480"></amp-img>
 
 <!-- since only width exists, overwrite with height and width from original image -->
-<amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="500"></amp-img>
+<amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625" height="480"></amp-img>
 
 <!-- since height is illegal, overwrite with height and width from original image -->
-<amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625"></amp-img>
+<amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625" height="480"></amp-img>
 
 <!-- since units are inconsistent, overwrite with height+width from original image -->
 <amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="625" height="480"></amp-img>
@@ -24,6 +24,10 @@
 <!-- should transform to amp-pixel -->
 <amp-pixel src="https://upload.wikimedia.org/wikipedia/commons/c/ce/Transparent.gif"></amp-pixel>
 
+<!-- should transform to amp-img instead of amp-anim because of default option['use_amp_anim_tag'] = false -->
+<amp-img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif" width="46" height="46" layout="fixed"></amp-img>
+
+
 ORIGINAL HTML
 ---------------
 Line  1: <!-- Note: this image is in the public domain. https://commons.wikimedia.org/wiki/File:"Birdcatcher"_with_jockey_up.jpg -->
@@ -31,10 +35,10 @@ Line  2:
 Line  3: <!-- should transform to amp-img -->
 Line  4: <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg">
 Line  5: 
-Line  6: <!-- should transform to amp-img with responsive layout, preserving the width and height -->
+Line  6: <!-- should transform to amp-img with fixed layout, preserving the width and height -->
 Line  7: <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/%22Birdcatcher%22_with_jockey_up.jpg" width="125" height="96">
 Line  8: 
-Line  9: <!-- nonexistent image, should refuse to convert to amp-img -->
+Line  9: <!-- nonexistent image, should refuse to convert to amp-img and keep it as it is -->
 Line 10: <img src="https://upload.wikimedia.org/wikipedia/commons/e/ee/non-existent-image1234.jpg">
 Line 11: 
 Line 12: <!-- should provide layout and height width and make layout responsive -->
@@ -51,6 +55,10 @@ Line 22: <amp-img layout="responsive" src="https://upload.wikimedia.org/wikipedi
 Line 23: 
 Line 24: <!-- should transform to amp-pixel -->
 Line 25: <img src="https://upload.wikimedia.org/wikipedia/commons/c/ce/Transparent.gif">
+Line 26: 
+Line 27: <!-- should transform to amp-img instead of amp-anim because of default option['use_amp_anim_tag'] = false -->
+Line 28: <img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif">
+Line 29: 
 
 
 Transformations made from HTML tags to AMP custom tags
@@ -68,6 +76,9 @@ Transformations made from HTML tags to AMP custom tags
 <img src="https://upload.wikimedia.org/wikipedia/commons/c/ce/Transparent.gif"> at line 25
  ACTION TAKEN: img tag was converted to the amp-pixel tag.
 
+<img src="https://upload.wikimedia.org/wikipedia/commons/b/bb/Quilt_design_as_46x46_uncompressed_GIF.gif"> at line 28
+ ACTION TAKEN: img tag was converted to the amp-img tag.
+
 
 AMP-HTML Validation Issues and Fixes
 -------------------------------------
diff --git a/tests/test-data/fragment-html/sample-html-fragment.html.out b/tests/test-data/fragment-html/sample-html-fragment.html.out
index 90d79b57..dc5bc932 100644
--- a/tests/test-data/fragment-html/sample-html-fragment.html.out
+++ b/tests/test-data/fragment-html/sample-html-fragment.html.out
@@ -41,18 +41,18 @@ FAIL
 
 <a style="color: red;" href="javascript:run();"> on line 1
 - The attribute 'style' may not appear in tag 'a'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.style attribute was removed due to validation issues.
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a style="margin: 2px;" href="http://www.cnn.com" target="_parent"> on line 2
 - The attribute 'style' may not appear in tag 'a'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.style attribute was removed due to validation issues.
 - The attribute 'target' in tag 'a' is set to the invalid value '_parent'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: a.target attribute was removed due to validation issues.
 
 <input type="submit" value="submit"> on line 6
@@ -62,7 +62,7 @@ FAIL
 
 <div onmouseover="hello();"> on line 7
 - The attribute 'onmouseover' may not appear in tag 'div'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: div.onmouseover attribute was removed due to validation issues.
 
 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"> on line 9
diff --git a/tests/test-data/fragment-html/show_lines_no_orig_and_warn.html.out b/tests/test-data/fragment-html/show_lines_no_orig_and_warn.html.out
index a90e7d21..4330df99 100644
--- a/tests/test-data/fragment-html/show_lines_no_orig_and_warn.html.out
+++ b/tests/test-data/fragment-html/show_lines_no_orig_and_warn.html.out
@@ -1,7 +1,7 @@
 Line 1: <p><a>Run</a></p>
 Line 2: <p><a href="http://www.cnn.com">CNN</a></p>
 Line 3: <p><a href="http://www.bbcnews.com" target="_blank">BBC</a></p>
-Line 4: <p></p>
+Line 4: <p><input type="submit" value="submit"></p>
 Line 5: <amp-iframe sandbox="allow-scripts allow-same-origin" layout="responsive" height="315" width="560" src="https://www.reddit.com"></amp-iframe>
 Line 6: 
 Line 7: 
diff --git a/tests/test-data/fragment-html/youtube-02-fragment.html b/tests/test-data/fragment-html/youtube-02-fragment.html
new file mode 100644
index 00000000..5231a1f5
--- /dev/null
+++ b/tests/test-data/fragment-html/youtube-02-fragment.html
@@ -0,0 +1,4 @@
+<iframe data-priority="high" width="560" height="315"
+        src="https://www.youtube.com/embed/MnR9AVs6Q_c&rel=0"
+        frameborder="0" allowfullscreen>
+</iframe>
\ No newline at end of file
diff --git a/tests/test-data/fragment-html/youtube-02-fragment.html.out b/tests/test-data/fragment-html/youtube-02-fragment.html.out
new file mode 100644
index 00000000..3a7c33ac
--- /dev/null
+++ b/tests/test-data/fragment-html/youtube-02-fragment.html.out
@@ -0,0 +1,25 @@
+<amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+ORIGINAL HTML
+---------------
+Line 1: <iframe data-priority="high" width="560" height="315"
+Line 2:         src="https://www.youtube.com/embed/MnR9AVs6Q_c&rel=0"
+Line 3:         frameborder="0" allowfullscreen>
+Line 4: </iframe>
+
+
+Transformations made from HTML tags to AMP custom tags
+-------------------------------------------------------
+
+<iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c&rel=0" frameborder allowfullscreen> at line 3
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+
+AMP-HTML Validation Issues and Fixes
+-------------------------------------
+PASS
+
+COMPONENT NAMES WITH JS PATH
+------------------------------
+'amp-youtube', include path 'https://cdn.ampproject.org/v0/amp-youtube-0.1.js'
+
diff --git a/tests/test-data/fragment-html/youtube-bad-fragment.html b/tests/test-data/fragment-html/youtube-bad-fragment.html
new file mode 100644
index 00000000..ff4f5921
--- /dev/null
+++ b/tests/test-data/fragment-html/youtube-bad-fragment.html
@@ -0,0 +1,4 @@
+<iframe data-priority="high" width="560" height="315"
+        src="https://www.youtube.com/embed/MnR9AVs6Q_c&amp;list=PLiGedaJzwg4zAaznvmnz66U6K1-LFpBYk"
+        frameborder="0" allowfullscreen>
+</iframe>
diff --git a/tests/test-data/fragment-html/youtube-bad-fragment.html.out b/tests/test-data/fragment-html/youtube-bad-fragment.html.out
new file mode 100644
index 00000000..259906ea
--- /dev/null
+++ b/tests/test-data/fragment-html/youtube-bad-fragment.html.out
@@ -0,0 +1,27 @@
+<amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+
+ORIGINAL HTML
+---------------
+Line 1: <iframe data-priority="high" width="560" height="315"
+Line 2:         src="https://www.youtube.com/embed/MnR9AVs6Q_c&amp;list=PLiGedaJzwg4zAaznvmnz66U6K1-LFpBYk"
+Line 3:         frameborder="0" allowfullscreen>
+Line 4: </iframe>
+Line 5: 
+
+
+Transformations made from HTML tags to AMP custom tags
+-------------------------------------------------------
+
+<iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c&list=PLiGedaJzwg4zAaznvmnz66U6K1-LFpBYk" frameborder allowfullscreen> at line 3
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+
+AMP-HTML Validation Issues and Fixes
+-------------------------------------
+PASS
+
+COMPONENT NAMES WITH JS PATH
+------------------------------
+'amp-youtube', include path 'https://cdn.ampproject.org/v0/amp-youtube-0.1.js'
+
diff --git a/tests/test-data/fragment-html/youtube-fragment.html b/tests/test-data/fragment-html/youtube-fragment.html
index eab435e2..f1207f1e 100644
--- a/tests/test-data/fragment-html/youtube-fragment.html
+++ b/tests/test-data/fragment-html/youtube-fragment.html
@@ -1,4 +1,34 @@
 <iframe data-priority="high" width="560" height="315"
         src="https://www.youtube.com/embed/MnR9AVs6Q_c?autoplay=1&controls=0"
         frameborder="0" allowfullscreen>
-</iframe>
\ No newline at end of file
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="https://www.youtube.com/embed/MnR9AVs6Q_c#t=15"
+        frameborder="0" allowfullscreen>
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="https://www.youtube.com/embed/MnR9AVs6Q_c?&t=15"
+        frameborder="0" allowfullscreen>
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="http://youtu.be/dQw4w9WgXcQ"
+        frameborder="0" allowfullscreen>
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="http://www.youtube.com/watch?v=dQw4w9WgXcQ#t=15"
+        frameborder="0" allowfullscreen>
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="http://www.youtube.com/user/username#p/u/11/dQw4w9WgXcQ"
+        frameborder="0" allowfullscreen>
+</iframe>
+
+<iframe data-priority="high" width="560" height="315"
+        src="https://www.youtube.com/embed/MnR9AVs6Q_c&amp;t=15"
+        frameborder="0" allowfullscreen>
+</iframe>
diff --git a/tests/test-data/fragment-html/youtube-fragment.html.out b/tests/test-data/fragment-html/youtube-fragment.html.out
index d711b65a..21365f43 100644
--- a/tests/test-data/fragment-html/youtube-fragment.html.out
+++ b/tests/test-data/fragment-html/youtube-fragment.html.out
@@ -1,11 +1,55 @@
 <amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560" data-param-autoplay="1" data-param-controls="0"></amp-youtube>
 
+<amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+<amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560" data-param-t="15"></amp-youtube>
+
+<amp-youtube data-videoid="dQw4w9WgXcQ" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+<amp-youtube data-videoid="dQw4w9WgXcQ" layout="responsive" data-priority="high" height="315" width="560" data-param-v="dQw4w9WgXcQ"></amp-youtube>
+
+<amp-youtube data-videoid="dQw4w9WgXcQ" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+<amp-youtube data-videoid="MnR9AVs6Q_c" layout="responsive" data-priority="high" height="315" width="560"></amp-youtube>
+
+
 ORIGINAL HTML
 ---------------
-Line 1: <iframe data-priority="high" width="560" height="315"
-Line 2:         src="https://www.youtube.com/embed/MnR9AVs6Q_c?autoplay=1&controls=0"
-Line 3:         frameborder="0" allowfullscreen>
-Line 4: </iframe>
+Line  1: <iframe data-priority="high" width="560" height="315"
+Line  2:         src="https://www.youtube.com/embed/MnR9AVs6Q_c?autoplay=1&controls=0"
+Line  3:         frameborder="0" allowfullscreen>
+Line  4: </iframe>
+Line  5: 
+Line  6: <iframe data-priority="high" width="560" height="315"
+Line  7:         src="https://www.youtube.com/embed/MnR9AVs6Q_c#t=15"
+Line  8:         frameborder="0" allowfullscreen>
+Line  9: </iframe>
+Line 10: 
+Line 11: <iframe data-priority="high" width="560" height="315"
+Line 12:         src="https://www.youtube.com/embed/MnR9AVs6Q_c?&t=15"
+Line 13:         frameborder="0" allowfullscreen>
+Line 14: </iframe>
+Line 15: 
+Line 16: <iframe data-priority="high" width="560" height="315"
+Line 17:         src="http://youtu.be/dQw4w9WgXcQ"
+Line 18:         frameborder="0" allowfullscreen>
+Line 19: </iframe>
+Line 20: 
+Line 21: <iframe data-priority="high" width="560" height="315"
+Line 22:         src="http://www.youtube.com/watch?v=dQw4w9WgXcQ#t=15"
+Line 23:         frameborder="0" allowfullscreen>
+Line 24: </iframe>
+Line 25: 
+Line 26: <iframe data-priority="high" width="560" height="315"
+Line 27:         src="http://www.youtube.com/user/username#p/u/11/dQw4w9WgXcQ"
+Line 28:         frameborder="0" allowfullscreen>
+Line 29: </iframe>
+Line 30: 
+Line 31: <iframe data-priority="high" width="560" height="315"
+Line 32:         src="https://www.youtube.com/embed/MnR9AVs6Q_c&amp;t=15"
+Line 33:         frameborder="0" allowfullscreen>
+Line 34: </iframe>
+Line 35: 
 
 
 Transformations made from HTML tags to AMP custom tags
@@ -14,6 +58,24 @@ Transformations made from HTML tags to AMP custom tags
 <iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c?autoplay=1&controls=0" frameborder allowfullscreen> at line 3
  ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
 
+<iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c#t=15" frameborder allowfullscreen> at line 8
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+<iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c?&t=15" frameborder allowfullscreen> at line 13
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+<iframe data-priority="high" width="560" height="315" src="http://youtu.be/dQw4w9WgXcQ" frameborder allowfullscreen> at line 18
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+<iframe data-priority="high" width="560" height="315" src="http://www.youtube.com/watch?v=dQw4w9WgXcQ#t=15" frameborder allowfullscreen> at line 23
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+<iframe data-priority="high" width="560" height="315" src="http://www.youtube.com/user/username#p/u/11/dQw4w9WgXcQ" frameborder allowfullscreen> at line 28
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
+<iframe data-priority="high" width="560" height="315" src="https://www.youtube.com/embed/MnR9AVs6Q_c&t=15" frameborder allowfullscreen> at line 33
+ ACTION TAKEN: iframe tag was converted to the amp-youtube tag.
+
 
 AMP-HTML Validation Issues and Fixes
 -------------------------------------
diff --git a/tests/test-data/full-html/duplicate_unique_tags_and_wrong_parents.html.out b/tests/test-data/full-html/duplicate_unique_tags_and_wrong_parents.html.out
index 11e56abf..c260e8dd 100644
--- a/tests/test-data/full-html/duplicate_unique_tags_and_wrong_parents.html.out
+++ b/tests/test-data/full-html/duplicate_unique_tags_and_wrong_parents.html.out
@@ -82,11 +82,6 @@ AMP-HTML Validation Issues and Fixes
 -------------------------------------
 FAIL
 
-<style amp-custom> on line 31
-- The tag 'style amp-custom' appears more than once in the document.
-   [code: DUPLICATE_UNIQUE_TAG  category: MANDATORY_AMP_TAG_MISSING_OR_INCORRECT see: https://www.ampproject.org/docs/reference/spec.html#stylesheets]
-   ACTION TAKEN: style tag was removed due to validation issues.
-
 <style amp-custom> on line 35
 - The parent tag of tag 'style' is 'body', but it can only be 'head'.
    [code: WRONG_PARENT_TAG  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#stylesheets]
diff --git a/tests/test-data/full-html/javascript_xss.html.out b/tests/test-data/full-html/javascript_xss.html.out
index b45b56c4..af5e505c 100644
--- a/tests/test-data/full-html/javascript_xss.html.out
+++ b/tests/test-data/full-html/javascript_xss.html.out
@@ -74,22 +74,22 @@ FAIL
 
 <a href="javascript:alert('boo')"> on line 27
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="JavaScript:alert('boo')"> on line 28
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="vbscript:bar"> on line 29
 - Invalid URL protocol 'vbscript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="data:baz"> on line 30
 - Invalid URL protocol 'data:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 COMPONENT NAMES WITH JS PATH
diff --git a/tests/test-data/full-html/link_meta_values.html.out b/tests/test-data/full-html/link_meta_values.html.out
index 960a0ba4..ddaa6f45 100644
--- a/tests/test-data/full-html/link_meta_values.html.out
+++ b/tests/test-data/full-html/link_meta_values.html.out
@@ -112,7 +112,7 @@ FAIL
 
 <link href="foo"> on line 43
 - The mandatory attribute 'rel' is missing in tag 'link rel='.
-   [code: MANDATORY_ATTR_MISSING  category: DISALLOWED_HTML]
+   [code: MANDATORY_ATTR_MISSING  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
 - FINAL ACTION TAKEN: link tag removed from head as it still does not validate. Could not fix tag validation problems.
 
 COMPONENT NAMES WITH JS PATH
diff --git a/tests/test-data/full-html/mandatory_dimensions.html b/tests/test-data/full-html/mandatory_dimensions.html
index 7558b425..ae0ffbe1 100644
--- a/tests/test-data/full-html/mandatory_dimensions.html
+++ b/tests/test-data/full-html/mandatory_dimensions.html
@@ -111,7 +111,7 @@
     <amp-img src="img" layout="container" width="42" height="42"></amp-img>
     <amp-img src="img"></amp-img>
 
-    <!-- Layout of responsive/fixed without width/height -->
+    <!-- Layout of responsive/fixed without width/height - This should all fail -->
     <amp-img src="img" layout="responsive"></amp-img>
     <amp-img src="img" layout="fixed"></amp-img>
     <amp-img src="img" layout="responsive" width="42"></amp-img>
diff --git a/tests/test-data/full-html/mandatory_dimensions.html.out b/tests/test-data/full-html/mandatory_dimensions.html.out
index bb51c186..b90b2ecc 100644
--- a/tests/test-data/full-html/mandatory_dimensions.html.out
+++ b/tests/test-data/full-html/mandatory_dimensions.html.out
@@ -24,6 +24,7 @@
   <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,minimal-ui">
   <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
   <script async src="https://cdn.ampproject.org/v0.js"></script>
+  <script async custom-element="amp-ad" src="https://cdn.ampproject.org/v0/amp-ad-0.1.js"></script>
   <script async custom-element="amp-audio" src="https://cdn.ampproject.org/v0/amp-audio-0.1.js"></script>
   <script async custom-element="amp-lightbox" src="https://cdn.ampproject.org/v0/amp-lightbox-0.1.js"></script>
   <script async custom-element="amp-anim" src="https://cdn.ampproject.org/v0/amp-anim-0.1.js"></script>
@@ -117,7 +118,7 @@
     <amp-img src="img" width="42" height="42" layout="responsive"></amp-img>
     <amp-img src="img" layout="responsive"></amp-img>
 
-    <!-- Layout of responsive/fixed without width/height -->
+    <!-- Layout of responsive/fixed without width/height - This should all fail -->
     <amp-img src="img" layout="responsive"></amp-img>
     <amp-img src="img" layout="fixed"></amp-img>
     <amp-img src="img" layout="responsive" width="42"></amp-img>
@@ -272,7 +273,7 @@ Line 110:     <amp-img src="img" layout="container"></amp-img>
 Line 111:     <amp-img src="img" layout="container" width="42" height="42"></amp-img>
 Line 112:     <amp-img src="img"></amp-img>
 Line 113: 
-Line 114:     <!-- Layout of responsive/fixed without width/height -->
+Line 114:     <!-- Layout of responsive/fixed without width/height - This should all fail -->
 Line 115:     <amp-img src="img" layout="responsive"></amp-img>
 Line 116:     <amp-img src="img" layout="fixed"></amp-img>
 Line 117:     <amp-img src="img" layout="responsive" width="42"></amp-img>
@@ -343,7 +344,6 @@ FAIL
 <amp-img src="img" layout="responsive" width="42"> on line 117
 - The mandatory attribute 'height' is missing in tag 'amp-img'.
    [code: MANDATORY_ATTR_MISSING  category: AMP_LAYOUT_PROBLEM see: https://www.ampproject.org/docs/reference/amp-img.html]
-   ACTION TAKEN: amp-img tried to fix problems with amp-img by trying to fetch height, width from image directly and/or setting layout to responsive
 
 <amp-img src="img" layout="fixed" height="42"> on line 118
 - The mandatory attribute 'width' is missing in tag 'amp-img'.
diff --git a/tests/test-data/full-html/regexps.html.out b/tests/test-data/full-html/regexps.html.out
index fa529fe9..905f51af 100644
--- a/tests/test-data/full-html/regexps.html.out
+++ b/tests/test-data/full-html/regexps.html.out
@@ -192,36 +192,36 @@ FAIL
 
 <link rel="stylesheet" type="text/css" href="http://xss.com/https://fonts.googleapis.com/css?foobar"> on line 46
 - The attribute 'href' in tag 'link rel=stylesheet for fonts' is set to the invalid value 'http://xss.com/https://fonts.googleapis.com/css?foobar'.
-   [code: INVALID_ATTR_VALUE  category: AUTHOR_STYLESHEET_PROBLEM]
+   [code: INVALID_ATTR_VALUE  category: AUTHOR_STYLESHEET_PROBLEM see: https://www.ampproject.org/docs/reference/spec.html#custom-fonts]
    ACTION TAKEN: link.href attribute was removed due to validation issues.
 - FINAL ACTION TAKEN: link tag removed from head as it still does not validate. Could not fix tag validation problems.
 
 <link rel="import"> on line 55
 - The attribute 'rel' in tag 'link rel=' is set to the invalid value 'import'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: link.rel attribute was removed due to validation issues.
 - FINAL ACTION TAKEN: link tag removed from head as it still does not validate. Could not fix tag validation problems.
 
 <link rel="accessibility subresource"> on line 56
 - The attribute 'rel' in tag 'link rel=' is set to the invalid value 'accessibility subresource'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: link.rel attribute was removed due to validation issues.
 - FINAL ACTION TAKEN: link tag removed from head as it still does not validate. Could not fix tag validation problems.
 
 <link rel="manifest accessibility"> on line 57
 - The attribute 'rel' in tag 'link rel=' is set to the invalid value 'manifest accessibility'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: link.rel attribute was removed due to validation issues.
 - FINAL ACTION TAKEN: link tag removed from head as it still does not validate. Could not fix tag validation problems.
 
 <meta name="content-disposition" content> on line 65
 - The attribute 'name' in tag 'meta name= and content=' is set to the invalid value 'content-disposition'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: meta.name attribute was removed due to validation issues.
 
 <meta name="invalid content-disposition" content> on line 66
 - The attribute 'name' in tag 'meta name= and content=' is set to the invalid value 'invalid content-disposition'.
-   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML]
+   [code: INVALID_ATTR_VALUE  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#html-tags]
    ACTION TAKEN: meta.name attribute was removed due to validation issues.
 
 <amp-audio src="https://example.com/audio" layout="fixed" autoplay="invalid"> on line 77
diff --git a/tests/test-data/full-html/several_errors.html.out b/tests/test-data/full-html/several_errors.html.out
index c2eb7209..c02e35e2 100644
--- a/tests/test-data/full-html/several_errors.html.out
+++ b/tests/test-data/full-html/several_errors.html.out
@@ -21,6 +21,7 @@
   <link rel="canonical" href="./regular-html-version.html">
   <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
   
+  <script async custom-element="amp-ad" src="https://cdn.ampproject.org/v0/amp-ad-0.1.js"></script>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width,minimum-scale=1">
 <script async src="https://cdn.ampproject.org/v0.js"></script>
@@ -89,7 +90,7 @@ FAIL
 
 <meta charset="pick-a-key"> on line 23
 - The attribute 'charset' may not appear in tag 'meta name= and content='.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: meta.charset attribute was removed due to validation issues.
 
 <script type="javascript"> on line 26
diff --git a/tests/test-data/full-html/spec_example.html.out b/tests/test-data/full-html/spec_example.html.out
index cb92dd30..6abf0042 100644
--- a/tests/test-data/full-html/spec_example.html.out
+++ b/tests/test-data/full-html/spec_example.html.out
@@ -39,7 +39,8 @@
     <script async custom-element="amp-carousel" src="https://cdn.ampproject.org/v0/amp-carousel-0.1.js"></script>
     <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
     <script async src="https://cdn.ampproject.org/v0.js"></script>
-  </head>
+    <script async custom-element="amp-ad" src="https://cdn.ampproject.org/v0/amp-ad-0.1.js"></script>
+</head>
   <body>
     <h1>Sample document</h1>
     <p>
diff --git a/tests/test-data/full-html/urls.html.out b/tests/test-data/full-html/urls.html.out
index 9406edb6..034ffd97 100644
--- a/tests/test-data/full-html/urls.html.out
+++ b/tests/test-data/full-html/urls.html.out
@@ -23,6 +23,7 @@
   <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,minimal-ui">
   <style amp-boilerplate>body{-webkit-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-moz-animation:-amp-start 8s steps(1,end) 0s 1 normal both;-ms-animation:-amp-start 8s steps(1,end) 0s 1 normal both;animation:-amp-start 8s steps(1,end) 0s 1 normal both}@-webkit-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-moz-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-ms-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@-o-keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}@keyframes -amp-start{from{visibility:hidden}to{visibility:visible}}</style><noscript><style amp-boilerplate>body{-webkit-animation:none;-moz-animation:none;-ms-animation:none;animation:none}</style></noscript>
   <script src="https://cdn.ampproject.org/v0.js" async></script>
+  <script async custom-element="amp-ad" src="https://cdn.ampproject.org/v0/amp-ad-0.1.js"></script>
 </head>
 <body>
   <a href="https://google.com/">Valid URL</a>
@@ -186,37 +187,37 @@ FAIL
 
 <a href="https://"> on line 37
 - Malformed URL 'https://' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL  category: DISALLOWED_HTML]
+   [code: INVALID_URL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="javascript:alert('boo')"> on line 39
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="JavaScript:alert('boo')"> on line 40
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="javascript:alert(1)"> on line 41
 - Invalid URL protocol 'javascript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="vbscript:bar"> on line 42
 - Invalid URL protocol 'vbscript:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="data:baz"> on line 43
 - Invalid URL protocol 'data:' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML]
+   [code: INVALID_URL_PROTOCOL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <a href="http://site:80808/%AFpage"> on line 45
 - Malformed URL 'http://site:80808/%AFpage' for attribute 'href' in tag 'a'.
-   [code: INVALID_URL  category: DISALLOWED_HTML]
+   [code: INVALID_URL  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: a.href attribute was removed due to validation issues.
 
 <amp-img srcset="javascript:alert(1)" layout="fill"> on line 47
diff --git a/tests/test-data/full-html/validator-amp-jwplayer.html.out b/tests/test-data/full-html/validator-amp-jwplayer.html.out
index ea30e0fe..7d604ae2 100644
--- a/tests/test-data/full-html/validator-amp-jwplayer.html.out
+++ b/tests/test-data/full-html/validator-amp-jwplayer.html.out
@@ -107,13 +107,13 @@ FAIL
 
 <amp-jwplayer data-playerlist-id="5678WxYz" width="160" height="90"> on line 48
 - The tag 'amp-jwplayer' is missing a mandatory attribute - pick one of data-media-id or data-playlist-id.
-   [code: MANDATORY_ONEOF_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-jwplayer/amp-jwplayer.md]
+   [code: MANDATORY_ONEOF_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-jwplayer.html]
 - The mandatory attribute 'data-player-id' is missing in tag 'amp-jwplayer'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-jwplayer/amp-jwplayer.md]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-jwplayer.html]
 
 <amp-jwplayer data-player-id="aBcD1234" width="160" height="90"> on line 52
 - The tag 'amp-jwplayer' is missing a mandatory attribute - pick one of data-media-id or data-playlist-id.
-   [code: MANDATORY_ONEOF_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-jwplayer/amp-jwplayer.md]
+   [code: MANDATORY_ONEOF_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-jwplayer.html]
 
 COMPONENT NAMES WITH JS PATH
 ------------------------------
diff --git a/tests/test-data/full-html/validator-amp-mustache.html.out b/tests/test-data/full-html/validator-amp-mustache.html.out
index 21d22e3a..4235aeb7 100644
--- a/tests/test-data/full-html/validator-amp-mustache.html.out
+++ b/tests/test-data/full-html/validator-amp-mustache.html.out
@@ -267,37 +267,37 @@ FAIL
 
 <p notallowed> on line 53
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 54
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 55
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 56
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 59
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 62
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p notallowed> on line 63
 - The attribute 'notallowed' may not appear in tag 'p'.
-   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML]
+   [code: DISALLOWED_ATTR  category: DISALLOWED_HTML see: https://www.ampproject.org/docs/reference/spec.html#links]
    ACTION TAKEN: p.notallowed attribute was removed due to validation issues.
 
 <p title="{{{ notallowed }}}"> on line 64
diff --git a/tests/test-data/full-html/validator-amp-sidebar.html.out b/tests/test-data/full-html/validator-amp-sidebar.html.out
index fe1b62d8..a103d11a 100644
--- a/tests/test-data/full-html/validator-amp-sidebar.html.out
+++ b/tests/test-data/full-html/validator-amp-sidebar.html.out
@@ -26,6 +26,7 @@
   <script async custom-element="amp-accordion" src="https://cdn.ampproject.org/v0/amp-accordion-0.1.js"></script>
   <script async custom-element="amp-fit-text" src="https://cdn.ampproject.org/v0/amp-fit-text-0.1.js"></script>
   <script async custom-element="amp-sidebar" src="https://cdn.ampproject.org/v0/amp-sidebar-0.1.js"></script>
+  <script async custom-element="amp-ad" src="https://cdn.ampproject.org/v0/amp-ad-0.1.js"></script>
 </head>
 <body>
   <!-- Example of a valid amp-sidebar. -->
@@ -135,5 +136,6 @@ FAIL
 
 COMPONENT NAMES WITH JS PATH
 ------------------------------
+'amp-sidebar', include path 'https://cdn.ampproject.org/v0/amp-sidebar-0.1.js'
 'amp-fit-text', include path 'https://cdn.ampproject.org/v0/amp-fit-text-0.1.js'
 
diff --git a/tests/test-data/full-html/validator-amp-springboard-player.html.out b/tests/test-data/full-html/validator-amp-springboard-player.html.out
index ba904860..4575c428 100644
--- a/tests/test-data/full-html/validator-amp-springboard-player.html.out
+++ b/tests/test-data/full-html/validator-amp-springboard-player.html.out
@@ -145,48 +145,48 @@ FAIL
 
 <amp-springboard-player data-site-id="a261" data-mode="video" data-content-id="1578473" data-player-id="test401" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 41
 - The attribute 'data-site-id' in tag 'amp-springboard-player' is set to the invalid value 'a261'.
-   [code: INVALID_ATTR_VALUE  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: INVALID_ATTR_VALUE  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
    ACTION TAKEN: amp-springboard-player.data-site-id attribute was removed due to validation issues.
 
 <amp-springboard-player data-site-id="261" data-mode="playlist" data-content-id="1578473" data-player-id="test 401" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 46
 - The attribute 'data-player-id' in tag 'amp-springboard-player' is set to the invalid value 'test 401'.
-   [code: INVALID_ATTR_VALUE  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: INVALID_ATTR_VALUE  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
    ACTION TAKEN: amp-springboard-player.data-player-id attribute was removed due to validation issues.
 
 <amp-springboard-player data-site-id="261" data-mode="video" data-player-id="test401" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 51
 - The mandatory attribute 'data-content-id' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-site-id="261" data-mode="video" data-content-id="1578473" data-player-id="test401" data-items="10" layout="fixed" width="480" height="270"> on line 56
 - The mandatory attribute 'data-domain' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-site-id="261" data-mode="video" data-content-id="1578473" data-player-id="test401" data-domain="test.com" layout="fixed" width="480" height="270"> on line 61
 - The mandatory attribute 'data-items' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-site-id="261" data-content-id="1578473" data-player-id="test401" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 66
 - The mandatory attribute 'data-mode' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-site-id="261" data-mode="video" data-content-id="1578473" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 71
 - The mandatory attribute 'data-player-id' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-mode="video" data-content-id="1578473" data-player-id="test401" data-domain="test.com" data-items="10" layout="fixed" width="480" height="270"> on line 76
 - The mandatory attribute 'data-site-id' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 <amp-springboard-player data-site-id="261" data-mode="playlist" data-player-id="test401" layout="fixed-height" width="480" height="270"> on line 80
 - The specified layout 'FIXED_HEIGHT' is not supported by tag 'amp-springboard-player'.
-   [code: SPECIFIED_LAYOUT_INVALID  category: AMP_LAYOUT_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: SPECIFIED_LAYOUT_INVALID  category: AMP_LAYOUT_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
    ACTION TAKEN: amp-springboard-player.layout attribute was removed due to validation issues.
 - The mandatory attribute 'data-content-id' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 - The mandatory attribute 'data-domain' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 - The mandatory attribute 'data-items' is missing in tag 'amp-springboard-player'.
-   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://github.com/ampproject/amphtml/blob/master/extensions/amp-springboard-player/amp-springboard-player.html]
+   [code: MANDATORY_ATTR_MISSING  category: AMP_TAG_PROBLEM see: https://www.ampproject.org/docs/reference/extended/amp-springboard-player.html]
 
 COMPONENT NAMES WITH JS PATH
 ------------------------------