Re: regex.c simplification

[Eli Zaretskii]

> From: Paul Eggert <address@hidden>
> Date: Thu, 19 Jul 2018 17:59:12 -0700
> 
> No, etags uses the regexp code only for --regex arguments. It would of course 
> be 
> simpler to disable --regex on platforms lacking the glibc regex API. However, 
> my 
> impression is that etags --regex gets some use. For example:
> 
> https://stackoverflow.com/questions/21283687/what-do-you-put-in-your-standard-etags-regex-calls
> http://xahlee.info/comp/ctags_etags_gtags.html

We actually use the --regex switch in our own Makefile, for the TAGS
target, see src/Makefile.in.