/[bison]/bison/NEWS
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revision 1.52 by akim, Tue Jul 30 11:06:50 2002 UTC revision 1.53 by akim, Tue Jul 30 11:56:44 2002 UTC
# Line 30  Changes in version 1.49b: Line 30  Changes in version 1.49b:
30    user specified that one of her tokens is numbered 256, then error    user specified that one of her tokens is numbered 256, then error
31    will be mapped onto another number.    will be mapped onto another number.
32    
33    * Verbose error messages
34      They no longer report `..., expecting error or...' for state where
35      error recovery is possible.
36    
37    * End token
38      Defaults to `$end' instead of `$'.
39    
40  * Error recovery now conforms to documentation and to POSIX  * Error recovery now conforms to documentation and to POSIX
41    When a Bison-generated parser encounters a syntax error, it now pops    When a Bison-generated parser encounters a syntax error, it now pops
42    the stack until it finds a state that allows shifting the error    the stack until it finds a state that allows shifting the error
# Line 84  Changes in version 1.49b: Line 91  Changes in version 1.49b:
91  * Token end-of-file  * Token end-of-file
92    The token end of file may be specified by the user, in which case,    The token end of file may be specified by the user, in which case,
93    the user symbol is used in the reports, the graphs, and the verbose    the user symbol is used in the reports, the graphs, and the verbose
94    error messages instead of `$', which remains being the defaults.    error messages instead of `$end', which remains being the defaults.
95    For instance    For instance
96       %token YYEOF 0       %token YYEOF 0
97    or    or

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