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Documentation for the regexp module

From: Jose E. Marchesi
Subject: Documentation for the regexp module
Date: Sun, 23 Jan 2011 00:16:42 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.91 (gnu/linux)


Recently someone noted that the recutils manual does not document the
flavor of the regular expressions accepted in selection expressions and
field type declarations.

I am using regcomp/regexec to implement those facilities, and have the
regex module imported from gnulib.

I think it would be nice to make the regex module to import a texinfo
file documenting the supported regular expressions syntax (I guess the
POSIX BREs and EREs).  Something that could be directly included in a
manual.  Quite like the parse-datetime.texi file imported by the
parse-datetime module.

There is a file doc/regex.texi containing several chapters about the GNU
regex implementation.  We could get the "Regular Expression Syntax"
chapter in its own file regex-syntax.texi, and have that file imported
into doc/ as part of the regex module.

What do you think?

Jose E. Marchesi    address@hidden
GNU Project         http://www.gnu.org

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