diff -r 8af5a1399842 -r db3908cf597a src/ai/ai_squirrel.cpp
--- a/src/ai/ai_squirrel.cpp	Sat Apr 14 21:57:44 2007 +0000
+++ b/src/ai/ai_squirrel.cpp	Sat Apr 14 22:16:11 2007 +0000
@@ -19,8 +19,8 @@
 #include "ai_factory.hpp"
 #include "ai_squirrel.hpp"
 
-/* Convert all AI related classes to Squirrel data */
-#define DEFINE_SQUIRREL_CLASS
+/* Convert all AI related classes to Squirrel data.
+ * Note: this line a marker in squirrel_export.sh. Do not change! */
 #include "api/ai_abstractlist.hpp.sq"
 #include "api/ai_accounting.hpp.sq"
 #include "api/ai_base.hpp.sq"
@@ -43,7 +43,6 @@
 #include "api/ai_townlist_valuator.hpp.sq"
 #include "api/ai_transactionmode.hpp.sq"
 #include "api/ai_vehicle.hpp.sq"
-#undef DEFINE_SQUIRREL_CLASS
 
 static FSquirrel iFSquirrel; ///< Tell the AI-core that we have an AI with which we like to play.