doc: one of the fixes for an ambiguous grammar was ambiguous too

[bison.git] / src / symtab.c

diff --git a/src/symtab.c b/src/symtab.c
index 307af895e1b3bf762485cb5bd4bd66bf2cad2cc7..002f6e37f84e346b274813eaaf77fcd28923ba12 100644 (file)
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -1,6 +1,6 @@
 /* Symbol table manager for Bison.
 
-   Copyright (C) 1984, 1989, 2000-2002, 2004-2011 Free Software
+   Copyright (C) 1984, 1989, 2000-2002, 2004-2012 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -22,7 +22,6 @@
 #include "system.h"
 
 #include <hash.h>
-#include <quotearg.h>
 
 #include "complain.h"
 #include "gram.h"
@@ -68,7 +67,7 @@ symbol_new (uniqstr tag, location loc)
 
   /* If the tag is not a string (starts with a double quote), check
      that it is valid for Yacc. */
-  if (tag[0] != '\"' && tag[0] != '\'' && strchr (tag, '-'))
+  if (tag[0] != '\"' && tag[0] != '\'' && mbschr (tag, '-'))
     yacc_at (loc, _("POSIX Yacc forbids dashes in symbol names: %s"),
              tag);
 
@@ -368,10 +367,11 @@ symbol_user_token_number_set (symbol *sym, int user_token_number, location loc)
   if (user_token_number == 0)
     {
       endtoken = sym;
-      endtoken->number = 0;
       /* It is always mapped to 0, so it was already counted in
         NTOKENS.  */
-      --ntokens;
+      if (endtoken->number != NUMBER_UNDEFINED)
+        --ntokens;
+      endtoken->number = 0;
     }
 }
 
@@ -408,11 +408,11 @@ void
 symbol_make_alias (symbol *sym, symbol *str, location loc)
 {
   if (str->alias)
-    warn_at (loc, _("symbol `%s' used more than once as a literal string"),
-            str->tag);
+    warn_at (loc, _("symbol %s used more than once as a literal string"),
+             str->tag);
   else if (sym->alias)
-    warn_at (loc, _("symbol `%s' given more than one literal string"),
-            sym->tag);
+    warn_at (loc, _("symbol %s given more than one literal string"),
+             sym->tag);
   else
     {
       str->class = token_sym;