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revision 1.53 by akim, Tue Jul 30 11:56:44 2002 UTC revision 1.54 by eggert, Mon Aug 12 13:59:13 2002 UTC
# Line 1  Line 1 
1  Bison News  Bison News
2  ----------  ----------
3    
4  Changes in version 1.49b:  Changes in version 1.49b, 2002-08-12:
5    
6  * GLR parsing  * GLR parsing
7    The declaration    The declaration
# Line 49  Changes in version 1.49b: Line 49  Changes in version 1.49b:
49  * Traces  * Traces
50    Popped tokens and nonterminals are now reported.    Popped tokens and nonterminals are now reported.
51    
52  * Large grammars  * Larger grammars
53    Large grammars are now supported (large token numbers, large grammar    Larger grammars are now supported (larger token numbers, larger grammar
54    size (= sum of the LHS and RHS lengths), large LALR tables).    size (= sum of the LHS and RHS lengths), larger LALR tables).
55      Formerly, many of these numbers ran afoul of 16-bit limits;
56      now these limits are 32 bits on most hosts.
57    
58  * Explicit initial rule  * Explicit initial rule
59    Bison used to play hacks with the initial rule, which the user does    Bison used to play hacks with the initial rule, which the user does
# Line 91  Changes in version 1.49b: Line 93  Changes in version 1.49b:
93  * Token end-of-file  * Token end-of-file
94    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,
95    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
96    error messages instead of `$end', which remains being the defaults.    error messages instead of `$end', which remains being the default.
97    For instance    For instance
98       %token YYEOF 0       %token YYEOF 0
99    or    or
# Line 100  Changes in version 1.49b: Line 102  Changes in version 1.49b:
102  * Semantic parser  * Semantic parser
103    This old option, which has been broken for ages, is removed.    This old option, which has been broken for ages, is removed.
104    
105  * New translation  * New translations
106      Brazilian Portuguese, thanks to Alexandre Folle de Menezes.
107    Croatian, thanks to Denis Lackovic.    Croatian, thanks to Denis Lackovic.
108    
109  * Incorrect token definitions  * Incorrect token definitions
# Line 132  Changes in version 1.49b: Line 135  Changes in version 1.49b:
135        bar: '0' {} '0';        bar: '0' {} '0';
136    
137    This is fixed.    This is fixed.
138    
139    * GNU M4 is now required when using Bison.
140    
141  Changes in version 1.35, 2002-03-25:  Changes in version 1.35, 2002-03-25:
142    

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