bug#33294: xwidget-insert crashes Emacs

[Robert Pluim]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Robert Pluim <rpluim@gmail.com>
>> Cc: lg.zevlg@gmail.com,  gazally@runbox.com,  33294@debbugs.gnu.org,  
>> monnier@iro.umontreal.ca
>> Date: Mon, 26 Nov 2018 15:02:21 +0100
>> 
>> >> I don't have access to an Emacs with xwidget support to test this; can
>> >> someone please provide a patch for that?
>> 
>> Something like this? (with ChangeLog etc of course). I couldn't come
>> up with a test-case for the xwidget_init_view path, but it causes
>> make-xwidget to error out under '-nw'
>
> Yes, that's what I had in mind.  If this works, please push to the
> release branch.

It signals an error if GTK has not been initialized, and I can call
make-xwidget if I create a GUI frame from a '-nw' emacs.

Pushed as a291f62428 to emacs-26.

Robert