Index: data/push.c
===================================================================
RCS file: /sources/bison/bison/data/push.c,v
retrieving revision 1.11
diff -u -r1.11 push.c
--- data/push.c	8 Dec 2006 22:36:33 -0000	1.11
+++ data/push.c	11 Dec 2006 03:41:22 -0000
@@ -973,9 +973,9 @@
 ]b4_c_function_decl([yypstate_init], [struct yypstate *], [[void], []])[
 ]b4_c_function_decl([yypush_parse], [int],
    [[struct yypstate *yyps], [yyps]],
-   [[int yynchar], [yynchar]],
-   [[YYSTYPE *yynlval], [yynlval]]
-   b4_locations_if([,[[YYLTYPE *yynlloc], [yynlloc]]]))[
+   [[const int yynchar], [yynchar]],
+   [[const YYSTYPE * const yynlval], [yynlval]]
+   b4_locations_if([,[[const YYLTYPE * const yynlloc], [yynlloc]]]))[
 ])[
 
 ]m4_divert_push([KILL])# ======================== M4 code.
@@ -1085,8 +1085,8 @@
 
 b4_push_if([
 b4_c_function_def([yypush_parse], [int], [[struct yypstate *yyps], [yyps]], 
-                  [[int yynchar], [yynchar]], [[YYSTYPE *yynlval], [yynlval]]
-		  b4_locations_if([,[[YYLTYPE *yynlloc], [yynlloc]]]))],[
+                  [[const int yynchar], [yynchar]], [[const YYSTYPE * const yynlval], [yynlval]]
+		  b4_locations_if([,[[const YYLTYPE * const yynlloc], [yynlloc]]]))],[
 #ifdef YYPARSE_PARAM
 b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])
 #else /* ! YYPARSE_PARAM */
@@ -1682,9 +1682,9 @@
 ]b4_c_function_decl([]b4_prefix[pstate_init], [struct ]b4_prefix[pstate *], [[void], []])[
 ]b4_c_function_decl([]b4_prefix[push_parse], [int],
    [[struct ]b4_prefix[pstate *]b4_prefix[pstate], []b4_prefix[pstate]],
-   [[int yynchar], [yynchar]],
-   [[YYSTYPE *yynlval], [yynlval]]
-   b4_locations_if([,[[YYLTYPE *yynlloc], [yynlloc]]]))[
+   [[const int yynchar], [yynchar]],
+   [[const YYSTYPE * const yynlval], [yynlval]]
+   b4_locations_if([,[[const YYLTYPE * const yynlloc], [yynlloc]]]))[
 enum { YYPUSH_MORE = 4 };])[
 ]b4_pure_if([],
 	   [extern YYLTYPE b4_prefix[]lloc;])