bug#53916: 29.0.50; pgtk: Gtk-WARNING with popup menu

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

>> Resent-From: Po Lu <luangruo@yahoo.com>
>> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces@debbugs.gnu.org>
>> Resent-CC: bug-gnu-emacs@gnu.org
>> Resent-Sender: help-debbugs@gnu.org
>> Cc: Stephen Berman <stephen.berman@gmx.net>, 53916@debbugs.gnu.org
>> Date: Thu, 10 Feb 2022 21:31:17 +0800
>> From:  Po Lu via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> Robert Pluim <rpluim@gmail.com> writes:
>> 
>> >     Po> That warning is harmless, though we could make it go away by 
>> > installing
>> >     Po> a log handler.  Someone else should chime in at this point to 
>> > decide
>> >     Po> whether or not that's worth it, since such a filter might end up
>> >     Po> obscuring legitimate problems in the future.
>> >
>> > Can such a log handler put those warnings in *Messages*?
>> 
>> Yes.
>
> I wouldn't recommend mixing GTK diagnostics with *Messages*.  Why not
> have a separate buffer for the GTK messages?

I think it would be confusing to have such a buffer suddenly appear.
How about prefixing the messages with "GTK diagnostic"?