Re: etags in tex files

[Eli Zaretskii <eliz@gnu.org>]

> From: Colin Baxter <m43cap@yandex.com>
> Date: Sat, 17 Jul 2021 21:18:49 +0100
> Cc: , help-gnu-emacs@gnu.org
> 
> >>>>> Óscar Fuentes <ofv@wanadoo.es> writes:
> 
>     > Colin Baxter <m43cap@yandex.com> writes:
>     >> Hello,
>     >> 
>     >> I like to use etags in tex files in order to search for
>     >> occurrences of equation labels. This works well if the label is a
>     >> string of only digits and/or letters, say
>     >> \label{123abc}. However, if there's a colon in the label, say
>     >> \label{123:abc} then etags will only search for the portion of
>     >> the string before the colon, i.e. 123.
>     >> 
>     >> Is there any way in which I can configure etags to recognise
>     >> everything with the curly brackets of a \label? I could always
>     >> use grep but I like etags and would like to stick with them.
> 
>     > Dunno about (c|e)tags, but other implementations such as Universal
>     > Ctgas lets you to define your own language. It is quite simple and
>     > works fine.
> 
> Thanks. I'll have a look at your suggestion if T don't make progress
> with etags.

If the TAGS file produced by Emacs's etags includes the problematic
labels, then switching to another etags/ctags implementation will not
help, AFAIU.