They are not documentation, they are functional elements of nano.

This allows for commenting or uncommenting a line or a bunch of lines
with a single keystroke (default binding: M-3).  The characters used
for commenting/uncommenting are specified by the active syntax file.
Reviewed-by: Benno Schulenberg <bensberg@justemail.net>
Signed-off-by: Mike Scalora <mike@scalora.org>

The change was inspired by David Niklas.


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as it colours some things wrong and is a glutton on time.


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        * doc/syntax/c.nanorc - Add auto keyword                         



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        * Initial libmagic implementation, adapted from Eitan Adler <eitanadlerlist@gmail.com>.
          New nanorc entry "magic" to enable this functionality, nanorc file and man page updates.



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        * doc/syntax/c.nanorc: Add additional support for #include_next and #pragma



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doc/syntax/asm.nanorc, doc/syntax/c.nanorc, and doc/syntax/sh.nanorc,
copy the regex that highlights trailing whitespace from
doc/syntax/java.nanorc to these files, as it's also useful in them


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in the preprocessor regexes


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and simplify "signed" and "unsigned" in them


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regexes


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lines so aggressively


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preprocessed C and C++ output, colorize them there


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they're installed properly and nanorc.sample references them properly


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