Index: src/libchengine/FeedbackRules.h
===================================================================
diff -u -N -rf01ed9a0279a52c96a7272273ef19e57f7670f4a -r53e3a91f9bcb2e26f758fc92e9856a69eba71a61
--- src/libchengine/FeedbackRules.h	(.../FeedbackRules.h)	(revision f01ed9a0279a52c96a7272273ef19e57f7670f4a)
+++ src/libchengine/FeedbackRules.h	(.../FeedbackRules.h)	(revision 53e3a91f9bcb2e26f758fc92e9856a69eba71a61)
@@ -38,6 +38,7 @@
 		void StoreInConfig(TConfig& rConfig, PCTSTR pszNodeName) const;
 		bool ReadFromConfig(const TConfig& rConfig, PCTSTR pszNodeName);
 
+		bool IsEmpty() const;
 		void Clear();
 
 		void ResetModifications();