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

[Eli Zaretskii]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Fri, 8 Oct 2021 17:36:04 -0400
> Cc: "Eric M. Ludlam" <zappo@gnu.org>
> 
>     (defcustom speedbar-use-imenu-flag t
>       "Non-nil means use imenu for file parsing, nil to use etags.
>     XEmacs prior to 20.4 doesn't support imenu, therefore the default is to
>     use etags instead.  Etags support is not as robust as imenu support."
>     :tag "Use Imenu for tags"
>     :group 'speedbar
>     :type 'boolean)
> 
> Is there any reason to keep the etags support around, or should we
> install something like the attached patch?

I see no reason to remove etags support.  I also don't understand the
"Etags support is not as robust as imenu support" part of the doc
string.