Index: Doxyfile
==================================================================
--- Doxyfile
+++ Doxyfile
@@ -23,12 +23,13 @@
 	     OF_RETURNS_INNER_POINTER		\
 	     OF_RETURNS_NOT_RETAINED		\
 	     OF_RETURNS_RETAINED		\
 	     OF_ROOT_CLASS			\
 	     OF_SENTINEL			\
+	     OF_WARN_UNUSED_RESULT		\
 	     OF_WEAK_UNAVAILABLE		\
 	     SIGHUP				\
 	     SIGUSR1				\
 	     SIGUSR2
 MACRO_EXPANSION = YES
 EXPAND_ONLY_PREDEF = YES
 IGNORE_PREFIX = OF of_