Re: regex.c simplification

[Paul Eggert]

Stefan Monnier wrote:
> does etags use regexps internally, or only to handle
> user-provided "--regex" arguments?
> More specifically, does it come with its own set of hardcoded regexps?

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