Keyboard shortcut key to switch to the previous tab. Expressed as a string in the same format used for GTK+ resource files. If you set the option to the special string "disabled", then there will be no keyboard shortcut for this action.
Keyboard shortcut key to toggle the visibility of the menubar. Expressed as a string in the same format used for GTK+ resource files. If you set the option to the special string "disabled", then there will be no keyboard shortcut for this action.