If the Image View is opened, the
operations “Undo” 
and “Redo” 
in the item “Edit” of the menu
bar are activated. If the XML
Editor is opened and focused, all other operations of that menu
item are enabled, too.
If the Image View is opened, the
operations “Undo” and “Redo” in the item “Edit” of the menu
bar are activated. If the XML
Editor is opened and focused, all other operations of that menu
item are enabled, too.
