/[bison]/bison/doc/bison.texinfo
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revision 1.56 by akim, Fri Apr 19 14:04:31 2002 UTC revision 1.57 by akim, Mon Apr 22 08:22:10 2002 UTC
# Line 2218  files before compiling them. Line 2218  files before compiling them.
2218    
2219  The symbol @code{error} is a terminal symbol reserved for error recovery  The symbol @code{error} is a terminal symbol reserved for error recovery
2220  (@pxref{Error Recovery}); you shouldn't use it for any other purpose.  (@pxref{Error Recovery}); you shouldn't use it for any other purpose.
2221  In particular, @code{yylex} should never return this value.  In particular, @code{yylex} should never return this value.  The default
2222  The default value of the error token is 256, so in the  value of the error token is 256, unless you explicitly assigned 256 to
2223  unlikely event that you need to use a character token with numeric  one of your tokens with a @code{%token} declaration.
 value 256 you must reassign the error token's value with a  
 @code{%token} declaration.  
2224    
2225  @node Rules  @node Rules
2226  @section Syntax of Grammar Rules  @section Syntax of Grammar Rules

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