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fix getDocumentPointsize to work with "a4paper" documentclass option #61

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fix getDocumentPointsize to work with "a4paper" documentclass option #61

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11158e5
getDocumentPointsize: fix regexp
corecode Aug 5, 2012
41d9a26
only match digits+"pt" for point size
corecode Apr 4, 2013
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4 changes: 2 additions & 2 deletions R/deviceUtils.R
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ getDocumentPointsize <- function( docString ){
# startps component of the pDevDesc structure.

# Search the document declaration for the pointsize.
psLocation <- regexpr( '\\d+[pt]', docString, ignore.case = T, perl = T )
psLocation <- regexpr( '\\<\\d+pt\\>', docString, ignore.case = T, perl = T )

# If there were no matches, regexpr() returns -1 and this
# function returns NA.
Expand All @@ -27,7 +27,7 @@ getDocumentPointsize <- function( docString ){

# Extract and return the pointsize.
pointsize <- substr( docString, psLocation,
psLocation + attr( psLocation, 'match.length') - 2 )
psLocation + attr( psLocation, 'match.length') - 3 )

return( as.numeric( pointsize ) )

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