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From: "Stefan Monnier" <monnier+gnu/emacs@RUM.cs.yale.edu>
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Subject: Re: regex.c: emacs & glibc (and xemacs, and grep and ...)
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> > I don't know what GNU grep uses,
> 
> Grep uses a version of regex.c that forked from the glibc version
> after Emacs did.  The GNU core utilities have a version that forked
> from glibc after Emacs did, but before grep did.  I don't know about
> the gnulib version (perhaps it's supposed to be identical to the Emacs
> version?).

Yes, the gnulib version is the Emacs version (it is the very same RCS
file shared between the various CVS repositories).

> It is a bit of a mess.  With the exception of the new glibc code and
> the Unix code, it should be relatively easy to merge all these
> versions, if someone could find the time.

Given the kind of changes I've made to Emacs' code, merging into
the Emacs code will be easier than merging the Emacs changes into
some other fork of the code.


	Stefan