--- a/src/ChangeLog	Thu Mar 17 14:35:02 2011 -0400
+++ b/src/ChangeLog	Thu Mar 17 20:17:19 2011 +0000
@@ -1,3 +1,25 @@
+2011-03-15  Aidan Kehoe  <kehoea@parhasard.net>
+
+	* config.h.in (SUPPORT_CONFOUNDING_FUNCTIONS): New #define,
+	equivalent NEED_TO_HANDLE_21_4_CODE by default, describing whether
+	this XEmacs should support the old-eq, old-equal and related
+	functions and byte codes.
+	* bytecode.c (UNUSED):
+	Only interpret old-eq, old-equal, old-memq if
+	SUPPORT_CONFOUNDING_FUNCTIONS is defined.
+	* data.c:
+	Move Fold_eq to fns.c with the rest of the Fold_* functions.
+	* fns.c:
+	* fns.c (Fmemq):
+	* fns.c (memq_no_quit):
+	* fns.c (assoc_no_quit):
+	* fns.c (Frassq):
+	* fns.c (Fequal):
+	* fns.c (Fold_equal):
+	* fns.c (syms_of_fns):
+	Group old-eq, old-equal, old-memq etc together, surround them with
+	#ifdef SUPPORT_CONFOUNDING_FUNCTIONS.
+
 2011-03-14  Aidan Kehoe  <kehoea@parhasard.net>
 
 	* glyphs-eimage.c (png_instantiate):