(Torturing the Scanner): Add tests for ";|" in a grammar.

diff --git a/tests/input.at b/tests/input.at
index a1da8f6..935e74c 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,4 +1,4 @@
-# Checking the output filenames.                    -*- Autotest -*-
+# Checking the Bison scanner.                    -*- Autotest -*-
 # Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
@@ -171,7 +171,7 @@ static int yylex (void);
 
 %%
 /* Exercise M4 quoting: '@:>@@:>@', @<:@, 1.  */
-exp: '@<:@' '\1' two '$' '@' '{' oline output
+exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt
   {
     /* Exercise quotes in braces.  */
     char tmp[] = "@<:@%c@:>@,\n";
@@ -181,6 +181,7 @@ exp: '@<:@' '\1' two '$' '@' '{' oline output
 
 two: '\x000000000000000000000000000000000000000000000000000000000000000000002';
 oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_';
+output.or.oline.opt: ;|oline;;|output;;;
 output: '#' 'o' 'u' 't' 'p' 'u' 't' ' ';
 %%
 /* Exercise M4 quoting: '@:>@@:>@', @<:@, 2.  */