The "undo" button in the toolbar is only displayed based on a condition. With Gtk3 there is no reason to do that so remove the condition and always add the "undo" button.
Whole story is in the commit message ;)
The "undo" button in the toolbar is only displayed based on a condition. With Gtk3 there is no reason to do that so remove the condition and always add the "undo" button.
Whole story is in the commit message ;)