GTK 3.9 removes unicode-menu

svn: r22627

gramps/gui/widgets/styledtexteditor.py

@@ -205,8 +205,12 @@ class StyledTextEditor(Gtk.TextView):
 
         # we want to disable the unicode menu in the popup
         settings = Gtk.Settings.get_default()
+        try:
             self.show_unicode = settings.get_property('gtk-show-unicode-menu')
             settings.set_property('gtk-show-unicode-menu', False)
+        except:
+            #GTK 3.9+ no longer has show-unicode-menu
+            pass
         
         # variable to not copy to clipboard on double/triple click
         self.selclick = False