bug#51102: [PATCH] Make speedbar XEmacs compatibility mode obsolete (etags)

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

> OK, thanks.  So I think we should leave the etags support as an
> optional feature, but remove the reference to XEmacs from the doc
> string of the defcustom.

I think we should also document under which circumstances one would want
to use etags instead of imenu.

For example, someone could check which languages have support in etags
but not in imenu and list them.