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+- Leave browser and system chords alone: a shortcut key held with Cmd, Ctrl or
+  Alt no longer runs its single-key shortcut. Copying with Cmd+C or Ctrl+C used
+  to turn the CCTV layer on and open the nearest camera, Cmd+F opened the layers
+  panel and Cmd+1 to 6 changed the visual style (asturksever, #1691).