File mouse-2-dont-insert-junk.patch of Package gnugo
diff -ru gnugo-3.7.2.orig/interface/gnugo.el gnugo-3.7.2/interface/gnugo.el
--- gnugo-3.7.2.orig/interface/gnugo.el 2005-01-20 00:25:34.000000000 +0100
+++ gnugo-3.7.2/interface/gnugo.el 2005-01-31 20:41:14.713505572 +0100
@@ -2115,6 +2115,7 @@
("F" . gnugo-display-final-score)
;; mouse
([(down-mouse-1)] . gnugo-mouse-move)
+ ([(down-mouse-2)] . gnugo-mouse-move)
([(down-mouse-3)] . gnugo-mouse-pass))))
(unless (get 'help :gnugo-gtp-command-spec)