don't test for NUL bytes in Bison strings

[Paul Eggert]

I installed this obvious patch to a test case.  I don't know why I didn't
see this test case failure earlier.

2003-12-23  Paul Eggert  <address@hidden>

        * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
        Bison tokens, as this runs afoul of the 2003-10-07 change that
        disallowed NUL bytes in character constants or string literals.

Index: input.at
===================================================================
RCS file: /cvsroot/bison/bison/tests/input.at,v
retrieving revision 1.27
retrieving revision 1.28
diff -p -u -r1.27 -r1.28
--- input.at    14 May 2003 19:26:52 -0000      1.27
+++ input.at    24 Dec 2003 08:17:05 -0000      1.28
@@ -167,7 +167,7 @@ static int yylex (void);
 %type <ival> '@<:@'
 
 /* Exercise quotes in strings.  */
-%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c 
??!??'??(??)??-??/??<??=??> \x0\0"
+%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c 
??!??'??(??)??-??/??<??=??> \x1\1"
 
 %%
 /* Exercise M4 quoting: '@:>@@:>@', @<:@, 1.  */