--- a/ai.c	Thu May 26 19:41:58 2005 +0000
+++ b/ai.c	Thu May 26 19:43:56 2005 +0000
@@ -3429,7 +3429,7 @@
 				MarkTileDirtyByTile(aib->use_tile);
 			}
 #endif
-//			redsq_debug(aib->use_tile);
+//			SetRedErrorSquare(aib->use_tile);
 
 			if (rule == -1) {
 				// cannot build, terraform after a while