Appendix D contains duplicated text

[kasader]

See here.

This section contains a section which is duplicated and partially updated in one part with a link to the associated documentation.

... To format any Cargo project, enter the following:

$ cargo fmt

Running this command reformats all the Rust code in the current crate. This should only change the code style, not the code semantics.

This command gives you rustfmt and cargo-fmt, similar to how Rust gives you both rustc and cargo. To format any Cargo project, enter the following:

$ cargo fmt

Running this command reformats all the Rust code in the current crate. This should only change the code style, not the code semantics. For more information on rustfmt, see its documentation.