message: Remove Ctrl+W for closing captures, easily confused with close tab
  * Whether there's a sensible way to define a tab closing shortcut is
  unclear at the moment - there isn't a single set of tabs, so just
  closing the most recently highlighted panel could be quite
  unintuitive.
diff: <property name="text">
  <string>&amp;Close Capture</string>
  </property>
  - <property name="shortcut">
  - <string>Ctrl+W</string>
  - </property>
  </action>
  <action name="action_Exit">
  <property name="text">
  