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

[Robert Pluim]

>>>>> On Thu, 10 Feb 2022 20:12:58 +0800, Po Lu via "Bug reports for GNU Emacs, 
>>>>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> said:

    Po> Stephen Berman <stephen.berman@gmx.net> writes:
    >> 0. emacs -Q
    >> 1. Disable with menu bar with `M-x menu-bar-mode'
    >> 2. Press the F10 key to invoke `menu-bar-open'
    >> => In the shell the following warning is emitted:
    >> 
    >> (emacs-pgtk:6569): Gtk-WARNING **: 11:39:05.713: no trigger event for 
menu popup

    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*?

Robert
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