diff -r 76324f461aed -r 2a42a68f4b59 stage1_2/iec_flex.ll
--- a/stage1_2/iec_flex.ll	Sun Sep 28 16:35:44 2014 +0100
+++ b/stage1_2/iec_flex.ll	Sun Sep 28 17:39:28 2014 +0100
@@ -1251,10 +1251,10 @@
 	/******************************************************/
 
 
-REF	{if (get_opt_ref_operator()) return REF;        else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
-DREF	{if (get_opt_ref_operator()) return DREF;       else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
-REF_TO	{if (get_opt_ref_operator()) return REF_TO;     else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
-NULL	{if (get_opt_ref_operator()) return NULL_token; else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
+REF	{if (get_opt_ref_standard_extensions()) return REF;        else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
+DREF	{if (get_opt_ref_standard_extensions()) return DREF;       else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
+REF_TO	{if (get_opt_ref_standard_extensions()) return REF_TO;     else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
+NULL	{if (get_opt_ref_standard_extensions()) return NULL_token; else{REJECT;}}		/* Keyword in IEC 61131-3 v3 */
 
 EN	return EN;			/* Keyword */
 ENO	return ENO;			/* Keyword */