bug#51523: 29.0.50; gnus-mime-view-part-externally very slow

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: gregory@heytings.org,  51523@debbugs.gnu.org,  monnier@iro.umontreal.ca
> Date: Mon, 01 Nov 2021 18:19:02 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > And if by "I want" you mean Gnus, then maybe we should name this
> > function gnus-has-mailcap-file-changed-p, and stop pretending that it
> > has more general use?
> 
> It's not a Gnus function, and the first instance of its use is not in
> Gnus, but in mailcap.

The Subject of this bug report mentions Gnus.

My point is that saying "this is what I want" is not a good argument
for deciding what a general-purpose function should and shouldn't do.