Subject: bug#57114: 29.0.50; texinfo-format-buffer in auth.texi leads to backtrace

From: Lars Ingebrigtsen <[email-masked]>
Date: Fri, 12 Aug 2022 17:30:02 +0200

Eli Zaretskii <[email-masked]> writes:

>> Do you mean that I should do this first, before I run
>> `M-x texinfo-format-buffer'?
>> 
>>     M-: (setq default-directory (expand-file-name "../emacs/"))
>
> Yes, but you can do it much easier, with the "M-x cd" command.

But this all means that the texinfmt.el don't really work (by default).
Since they've obviously not worked in quite a while, and it duplicates
functionality elsewhere (that actually works), I think we should
obsolete texinfmt.el.