*** XFCE: Selected frame loses focus
This can happen, e.g., in Ediff: when you move between the differences
-by typing into the control frame, input focus unexpectedly switches to
-the buffers where Emacs shows the differences, instead of being left
-in the Ediff control frame.
+by typing 'n' or 'p' into the control frame, input focus unexpectedly
+switches to the buffers where Emacs shows the differences, instead of
+being left in the Ediff control frame.
The reason is a bug in the window manager: it shifts input focus when
raising a frame. A workaround is to activate the "focus stealing