Don't create an undo-chain entry for a move with no effect.

[sgt/puzzles] / lightup.R

diff --git a/lightup.R b/lightup.R
index b4c4a3d..aa7eab5 100644 (file)
--- a/lightup.R
+++ b/lightup.R
@@ -18,3 +18,7 @@ GAMES += lightup
 !begin >list.c
     A(lightup) \
 !end
+
+!begin >wingames.lst
+lightup.exe:Light Up
+!end