+ The <STRONG>ALL_MOUSE_EVENTS</STRONG> class does not include <STRONG>RE-</STRONG>
+ <STRONG>PORT_MOUSE_POSITION</STRONG>. They are distinct. For example, in
+ xterm, wheel/scrolling mice send position reports as a se-
+ quence of presses of buttons 4 or 5 without matching but-
+ ton-releases.
+