Thank the developer of the initial push parser implementation.

[bison.git] / src / scan-gram.l

diff --git a/src/scan-gram.l b/src/scan-gram.l
index 7cb99f897d0bb1c9b23428c10ec468352dcef5c5..617168104949ba1cc830e41101bfdeeae972393f 100644 (file)
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -1,7 +1,6 @@
 /* Bison Grammar Scanner                             -*- C -*-
 
-   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free Software
-   Foundation, Inc.
+   Copyright (C) 2002-2007, 2009-2010 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -439,7 +438,7 @@ splice       (\\[ \f\t\v]*\n)*
   \\(.|\n)     {
     char const *p = yytext + 1;
     /* Quote only if escaping won't make the character visible.  */
-    if (isspace (*p) && isprint (*p))
+    if (isspace ((unsigned char) *p) && isprint ((unsigned char) *p))
       p = quote (p);
     else
       p = quotearg_style_mem (escape_quoting_style, p, 1);