diff -r a9d377c4987a -r b6a522b762c9 lib/create_standard_function_txt.sh
--- a/lib/create_standard_function_txt.sh	Fri Nov 04 19:16:29 2011 +0000
+++ b/lib/create_standard_function_txt.sh	Sun Nov 20 19:36:48 2011 +0000
@@ -427,7 +427,9 @@
   /**************/
   /*     SUB    */
   /**************/
-#define __iec_(TYPENAME) __arith_static(SUB, TYPENAME)
+#define __iec_(TYPENAME)\
+__function_2p(SUB_##TYPENAME, TYPENAME, IN1, TYPENAME, IN2, TYPENAME)  /* explicitly typed function */\
+__function_2p(SUB, TYPENAME, IN1, TYPENAME, IN2, TYPENAME)             /* overloaded function */ 
 __ANY_NUM(__iec_)
 #undef __iec_