bug#20629: 25.0.50; Regression: TAGS broken, can't find anything in C++ files.

[Eli Zaretskii]

> Cc: 20629@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Sat, 30 May 2015 15:52:19 +0300
> 
> Another thing to consider is the possibility of merging Ex-Ctags and 
> Etags in the future. Compatible behaviors would make it easier on the users.

Volunteers are welcome, but based on reading their sources, it will be
a formidable job: the general structure of the code, and the parser in
particular, are completely different.  I'm not even sure you can talk
about "merging".