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revision 1.329 by akim, Fri Nov 30 10:49:00 2001 UTC revision 1.330 by akim, Fri Nov 30 10:49:24 2001 UTC
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1  2001-11-30  Akim Demaille  <akim@epita.fr>  2001-11-30  Akim Demaille  <akim@epita.fr>
2    
3            Instead of mapping the LHS of unused rules to -1, keep the LHS
4            valid, but flag the rules as invalid.
5    
6            * src/gram.h (rule_t): `useful' is a new member.
7            * src/print.c (print_grammar): Adjust.
8            * src/derives.c (set_derives): Likewise.
9            * src/reader.c (packgram, reduce_output): Likewise.
10            * src/reduce.c (reduce_grammar_tables): Likewise.
11            * tests/reduce.at (Underivable Rules, Useless Rules): New.
12    
13    2001-11-30  Akim Demaille  <akim@epita.fr>
14    
15          * src/reduce.c (reduce_output): Formatting changes.          * src/reduce.c (reduce_output): Formatting changes.
16          * src/print.c (print_results, print_grammar): Likewise.          * src/print.c (print_results, print_grammar): Likewise.
17          * tests/regression.at (Rule Line Numbers)          * tests/regression.at (Rule Line Numbers)

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