+2002-05-26 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
+ * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
+ * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
+ (token_number_t, item_number_as_token_number)
+ (token_number_as_item_number, muscle_insert_token_number_table):
+ Rename as...
+ (symbol_number_t, item_number_as_symbol_number)
+ (symbol_number_as_item_number, muscle_insert_symbol_number_table):
+ these, since it is more appropriate.
+
+2002-05-26 Akim Demaille <akim@epita.fr>
+
+ * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
+ `Error:' lines.
+ * data/bison.simple (yystos) [YYDEBUG]: New.
+ (yyparse) [YYDEBUG]: Display the symbols which are popped during
+ error recovery.
+ * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
+
+2002-05-25 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo (Debugging): Split into...
+ (Tracing): this new section, its former contents, and...
+ (Understanding): this new section.
+ * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
+ by...
+ (report_flag): this.
+ Adjust all dependencies.
+ (report_args, report_types, report_argmatch): New.
+ (usage, getargs): Report/support -r, --report.
+ * src/options.h
+ (struct option_table_struct): Rename as..,
+ (struct option_table_s): this.
+ Rename the `set_flag' member to `flag' to match with getopt_long's
+ struct.
+ * src/options.c (option_table): Split verbose into an entry for
+ %verbose, and another for --verbose.
+ Support --report/-r, so remove -r from the obsolete --raw.
+ * src/print.c: Attach full item sets and lookaheads reports to
+ report_flag instead of trace_flag.
+ * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
+
+2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+ and Paul Eggert <eggert@twinsun.com>
+
+ * data/bison.simple (yyparse): Correct error handling to conform to
+ POSIX and yacc. Specifically, after syntax error is discovered,
+ do not reduce further before shifting the error token.
+ Clean up the code a bit by removing the labels yyerrdefault,
+ yyerrhandle, yyerrpop.
+ * NEWS: Document the above.
+
+2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+
+ * data/bison.simple (yyr1): Don't use yy_token_number_type as element
+ type; it isn't always big enough, since it doesn't necessarily
+ include non-terminals.
+ (yytranslate): Expand definition of yy_token_number_type, so that
+ the latter can be removed.
+ (yy_token_number_type): Remove, only one use.
+ * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
+ don't use TokenNumberType as element type.
+
+ * tests/regression.at: Modify expected output to agree with change
+ to yyr1 and yytranslate.
+
+2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
+
+ * src/reader.c (parse_action): Use copy_character instead of
+ obstack_1grow.
+
+2002-05-13 Akim Demaille <akim@epita.fr>
+
+ * tests/regression.at (Token definitions): Prototype yylex and
+ yyerror.
+
+2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
+
+ * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
+ * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
+ 32-bit arithmetic.
+ * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
+
+2002-05-07 Akim Demaille <akim@epita.fr>
+
+ * tests/synclines.at: Be sure to prototype yylex and yyerror to
+ avoid GCC warnings.
+
+2002-05-07 Akim Demaille <akim@epita.fr>
+
+ Kill GCC warnings.
+
+ * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
+ over the RHS of each rule.
+ * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
+ * src/state.h (state_t): Member `nitems' is unsigned short.
+ * src/LR0.c (get_state): Adjust.
+ * src/reader.c (packgram): Likewise.
+ * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
+ `Type'.
+ (muscle_insert_int_table): Remove, unused.
+ (prepare_rules): Remove `max'.
+
+2002-05-06 Akim Demaille <akim@epita.fr>
+
+ * src/closure.c (print_firsts): Display of the symbol tags.
+ (bitmatrix_print): Move to...
+ * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
+ here.
+ * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
+
+2002-05-06 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
+ hash_do_for_each.
+
+2002-05-06 Akim Demaille <akim@epita.fr>
+
+ * src/LR0.c (new_state, get_state): Instead of using the global
+ `kernel_size' and `kernel_base', have two new arguments:
+ `core_size' and `core'.
+ Adjust callers.
+
+2002-05-06 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (packgram): No longer end `ritem' with a 0
+ sentinel: it is not used.
+
+2002-05-05 Akim Demaille <akim@epita.fr>
+
+ New experimental feature: display the lookaheads in the report and
+ graph.
+
+ * src/print (print_core): When --trace-flag, display the rules
+ lookaheads.
+ * src/print_graph.c (print_core): Likewise.
+ Swap the arguments.
+ Adjust caller.
+
+2002-05-05 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (Many lookaheads): New test.
+
+2002-05-05 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
+ (GENERATE_MUSCLE_INSERT_TABLE): this.
+ (output_int_table, output_unsigned_int_table, output_short_table)
+ (output_token_number_table, output_item_number_table): Replace with...
+ (muscle_insert_int_table, muscle_insert_unsigned_int_table)
+ (muscle_insert_short_table, muscle_insert_token_number_table)
+ (muscle_insert_item_number_table): these.
+ Adjust all callers.
+ (prepare_tokens): Don't free `translations', since...
+ * src/reader.h, src/reader.c (grammar_free): do it.
+ Move to...
+ * src/gram.h, src/gram.c (grammar_free): here.
+ * data/bison.simple, data/bison.c++: b4_token_number_max is now
+ b4_translate_max.
+
+2002-05-05 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (output_unsigned_int_table): New.
+ (prepare_rules): `i' is unsigned.
+ `prhs', `rline', `r2' are unsigned int.
+ Rename muscle `rhs_number_max' as `rhs_max'.
+ Output muscles `prhs_max', `rline_max', and `r2_max'.
+ Free rline and r1.
+ * data/bison.simple, data/bison.c++: Adjust to use these muscles
+ to compute types instead of constant types.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-05-04 Akim Demaille <akim@epita.fr>
+
+ * src/symtab.h (SALIAS, SUNDEF): Rename as...
+ (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
+ Adjust dependencies.
+ * src/output.c (token_definitions_output): Be sure not to output a
+ `#define 'a'' when fed with `%token 'a' "a"'.
+ * tests/regression.at (Token definitions): New.
+
+2002-05-03 Paul Eggert <eggert@twinsun.com>
+
+ * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
+ for K&R C.
+
+2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
+
+ * Makefile.am (SUBDIRS): Remove intl.
+ (EXTRA_DIST): Add config/config.rpath.
+
+2002-05-03 Akim Demaille <akim@epita.fr>
+
+ * data/bison.simple (m4_if): Don't output empty enums.
+ And actually, output valid enum definitions :(.
+
+2002-05-03 Akim Demaille <akim@epita.fr>
+
+ * configure.bat: Remove, completely obsolete.
+ * Makefile.am (EXTRA_DIST): Adjust.
+ Don't distribute config.rpath...
+ * config/Makefile.am (EXTRA_DIST): Do it.
+
+2002-05-03 Akim Demaille <akim@epita.fr>
+
+ * configure.in (GETTEXT_VERSION): New.
+ Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
+
+2002-05-03 Akim Demaille <akim@epita.fr>
+
+ * data/bison.simple (b4_token_enum): New.
+ (b4_token_defines): Use it to output tokens both as #define and
+ enums.
+ Suggested by Paul Eggert.
+ * src/output.c (token_definitions_output): Don't output spurious
+ white spaces.
+
+2002-05-03 Akim Demaille <akim@epita.fr>
+
+ * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
+
+2002-05-02 Robert Anisko <robert@lrde.epita.fr>
+
+ * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
+ Update the stack class, give a try to deque as the default container.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ * data/bison.simple (yyparse): Do not implement @$ = @1.
+ (YYLLOC_DEFAULT): Adjust to do it.
+ * doc/bison.texinfo (Location Default Action): Fix.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (parse_braces): Merge into...
+ (parse_action): this.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ * configure.in (ALL_LINGUAS): Remove.
+ * po/LINGUAS, hr.po: New.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ Remove the so called hairy (semantic) parsers.
+
+ * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
+ * src/gram.h, src/gram.c (semantic_parser): Remove.
+ (rule_t): Remove the guard and guard_line members.
+ * src/lex.h (token_t): remove tok_guard.
+ * src/options.c (option_table): Remove %guard and %semantic_parser
+ support.
+ * src/output.c, src/output.h (guards_output): Remove.
+ (prepare): Adjust.
+ (token_definitions_output): Don't output the `T'
+ tokens (???).
+ (output_skeleton): Don't output the guards.
+ * src/files.c, src/files.c (attrsfile): Remove.
+ * src/reader.c (symbol_list): Remove the guard and guard_line
+ members.
+ Adjust dependencies.
+ (parse_guard): Remove.
+ * data/bison.hairy: Remove.
+ * doc/bison.texinfo (Environment Variables): Remove occurrences of
+ BISON_HAIRY.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
+ (parse_guard): Rename the formal argument `stack_offset' as
+ `rule_length', which is more readable.
+ Adjust callers.
+ (copy_at, copy_dollar): Instead of outputting the hard coded
+ values of $$, $n and so forth, output invocation to b4_lhs_value,
+ b4_lhs_location, b4_rhs_value, and b4_rhs_location.
+ Note: this patch partially drops `semantic-parser' support: it
+ always does `rule_length - n', where semantic parsers ought to
+ always use `-n'.
+ * data/bison.simple, data/bison.c++ (b4_lhs_value)
+ (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ * configure.in (AC_INIT): Bump to 1.49b.
+ (AM_INIT_AUTOMAKE): Short invocation.
+
+2002-05-02 Akim Demaille <akim@epita.fr>
+
+ Version 1.49a.
+
+2002-05-01 Akim Demaille <akim@epita.fr>
+
+ * src/skeleton.h: Remove.
+
+2002-05-01 Akim Demaille <akim@epita.fr>
+
+ * src/skeleton.h: Fix the #endif.
+ Reported by Magnus Fromreide.
+
+2002-04-26 Paul Eggert <eggert@twinsun.com>
+
+ * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
+ Define if we define YYSTYPE and YYLTYPE, respectively.
+ (YYCOPY): Fix [] quoting problem in the non-GCC case.
+
+2002-04-25 Robert Anisko <robert@lrde.epita.fr>
+
+ * src/scan-skel.l: Postprocess quadrigraphs.
+
+ * src/reader.c (copy_character): New function, used to output
+ single characters while replacing `[' and `]' with quadrigraphs, to
+ avoid troubles with M4 quotes.
+ (copy_comment): Output characters with copy_character.
+ (read_additionnal_code): Likewise.
+ (copy_string2): Likewise.
+ (copy_definition): Likewise.
+
+ * tests/calc.at: Exercise M4 quoting.
+
+2002-04-25 Akim Demaille <akim@epita.fr>
+
+ * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
+ between `!' and the command.
+ Reported by Paul Eggert.
+
+2002-04-24 Robert Anisko <robert@lrde.epita.fr>
+
+ * tests/calc.at: Exercise prologue splitting.
+
+ * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
+ `b4_post_prologue' instead of `b4_prologue'.
+
+ * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
+ muscles.
+ (output): Free pre_prologue_obstack and post_prologue_obstack.
+ * src/files.h, src/files.c (attrs_obstack): Remove.
+ (pre_prologue_obstack, post_prologue_obstack): New.
+ * src/reader.c (copy_definition): Add a parameter to specify the
+ obstack to fill, instead of using attrs_obstack unconditionally.
+ (read_declarations): Pass pre_prologue_obstack to copy_definition if
+ `%union' has not yet been seen, pass post_prologue_obstack otherwise.
+
+2002-04-23 Paul Eggert <eggert@twinsun.com>
+
+ * data/bison.simple: Remove unnecessary commentary and white
+ space differences from 1_29-branch.
+ Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
+
+ (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
+ YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
+ if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
+ constructors or destructors.
+
+ (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
+
+2002-04-23 Akim Demaille <akim@epita.fr>
+
+ * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
+ * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
+ location with columns.
+ * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
+ All reported by Paul Eggert.
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (dump_grammar): Move to...
+ * src/gram.h, src/gram.c (grammar_dump): here.
+ Be sure to separate long item numbers.
+ Don't read the members of a rule's prec if its nil.
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ * src/output.c (table_size, table_grow): New.
+ (MAXTABLE): Remove, replace uses with table_size.
+ (pack_vector): Instead of dying when the table is too big, grow it.
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ * data/bison.simple (yyr1): Its type is that of a token number.
+ * data/bison.c++ (r1_): Likewise.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ * src/reader.c (token_translations_init): 256 is now the default
+ value for the error token, i.e., it will be assigned another
+ number if the user assigned 256 to one of her tokens.
+ (reader): Don't force 256 to error.
+ * doc/bison.texinfo (Symbols): Adjust.
+ * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
+ (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
+ etc. instead of 10, 20, 30 (which was used to `jump' over error
+ (256) and undefined (2)).
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ Propagate more token_number_t.
+
+ * src/gram.h (token_number_as_item_number)
+ (item_number_as_token_number): New.
+ * src/output.c (GENERATE_OUTPUT_TABLE): New.
+ Use it to create output_item_number_table and
+ output_token_number_table.
+ * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
+ * src/lex.c, src/nullable.c, src/output.c, src/print.c,
+ * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
+ * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
+
+2002-04-22 Akim Demaille <akim@epita.fr>
+
+ * src/output.h, src/output.c (get_lines_number): Remove.
+
+2002-04-19 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo (Actions): Make clear that `|' is not the same
+ as Lex/Flex'.
+ (Debugging): More details about enabling the debugging features.
+ (Table of Symbols): Describe $$, $n, @$, and @n.
+ Suggested by Tim Josling.
+
+2002-04-19 Akim Demaille <akim@epita.fr>
+
+ * doc/bison.texinfo: Remove the uses of the obsolete @refill.
+
+2002-04-10 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: Rely on HAVE_LIMITS_H.
+ Suggested by Paul Eggert.
+
+2002-04-09 Akim Demaille <akim@epita.fr>
+
+ * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
+ full stderr, and strip it according to the bison options, instead
+ of composing the error message from different bits.
+ This makes it easier to check for several error messages.
+ Adjust all the invocations.
+ Add an invocation exercising the error token.
+ Add an invocation demonstrating a stupid error message.
+ (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
+ Adjust the tests.
+ Error message are for stderr, not stdout.
+
+2002-04-09 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h, src/gram.c (error_token_number): Remove, use
+ errtoken->number.
+ * src/reader.c (reader): Don't specify the user token number (2)
+ for $undefined, as it uselessly prevents using it.
+ * src/gram.h (token_number_t): Move to...
+ * src/symtab.h: here.
+ (state_t.number): Is a token_number_t.
+ * src/print.c, src/reader.c: Use undeftoken->number instead of
+ hard coded 2.
+ (Even though this 2 is not the same as above: the number of the
+ undeftoken remains being 2, it is its user token number which
+ might not be 2).
+ * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
+ `user_token_number_max'.
+ Output `undef_token_number'.
+ * data/bison.simple, data/bison.c++: Use them.
+ Be sure to map invalid yylex return values to
+ `undef_token_number'. This saves us from gratuitous SEGV.
+
+ * tests/conflicts.at (Solved SR Conflicts)
+ (Unresolved SR Conflicts): Adjust.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
+ Adding #line.
+ Remove the duplicate `typedefs'.
+ (RhsNumberType): Fix the declaration and various other typos.
+ Use __ofile__.
+ * data/bison.simple: Use __ofile__.
+ * src/scan-skel.l: Handle __ofile__.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/gram.h (item_number_t): New, the type of item numbers in
+ RITEM. Note that it must be able to code symbol numbers as
+ positive number, and the negation of rule numbers as negative
+ numbers.
+ Adjust all dependencies (pretty many).
+ * src/reduce.c (rule): Remove this `short *' pointer: use
+ item_number_t.
+ * src/system.h (MINSHORT, MAXSHORT): Remove.
+ Include `limits.h'.
+ Adjust dependencies to using SHRT_MAX and SHRT_MIN.
+ (shortcpy): Remove.
+ (MAXTABLE): Move to...
+ * src/output.c (MAXTABLE): here.
+ (prepare_rules): Use output_int_table to output rhs.
+ * data/bison.simple, data/bison.c++: Adjust.
+ * tests/torture.at (Big triangle): Move the limit from 254 to
+ 500.
+ * tests/regression.at (Web2c Actions): Ajust.
+
+ Trying with bigger grammars shows various phenomena: at 3000 (28Mb
+ of grammar file) bison is killed by my system, at 2000 (12Mb) bison
+ passes, but produces negative #line number, once fixed, GCC is
+ killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
+ C), it passes.
+ * src/state.h (state_h): Code input lines on ints, not shorts.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/reduce.c (reduce_grammar): First reduce the nonterminals,
+ and then the grammar.
+
+2002-04-08 Akim Demaille <akim@epita.fr>
+
+ * src/system.h: No longer using strndup.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
+ * src/output.c (output_table_data): Return the longest number.
+ (prepare_tokens): Output `token_number_max').
+ * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
+ New.
+ Use them to define yy_token_number_type/TokenNumberType.
+ Use this type for yytranslate.
+ * tests/torture.at (Big triangle): Push the limit from 124 to
+ 253.
+ * tests/regression.at (Web2c Actions): Adjust.
+
+2002-04-07 Akim Demaille <akim@epita.fr>
+
+ * tests/torture.at (Big triangle): New.
+ (GNU AWK Grammar, GNU Cim Grammar): Move to...
+ * tests/existing.at: here.
+
2002-04-07 Akim Demaille <akim@epita.fr>
* src/gram.h, src/gram.c (nitems): Remove, it is an alias of
nritems.
Adjust dependencies.
-
2002-04-07 Akim Demaille <akim@epita.fr>
* src/reader.c: Normalize increments to prefix form.
(symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
(symbols_new, symbols_free, symbols_do): these.
-
2002-04-07 Akim Demaille <akim@epita.fr>
Use lib/hash for the symbol table.
* src/lalr.h (LA): Is a bitsetv, not bitset*.
-
2002-04-07 Akim Demaille <akim@epita.fr>
* src/lalr.h, src/lalr.c (LAruleno): Replace with...
(LArule): this, which is an array to rule_t*.
* src/print.c, src/conflicts.c: Adjust.
-
2002-04-07 Akim Demaille <akim@epita.fr>
* src/gram.h (rule_t): Rename `number' as `user_number'.
* src/symtab.h: here.
No longer include `gram.h'.
-
2002-04-07 Akim Demaille <akim@epita.fr>
* src/gram.h, src/gram.c (rules_rhs_length): New.
1987-12-16 Richard Stallman <rms@gnu.org>
* REFERENCES: entered into RCS
+-----
+
+Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Autoconf.
+
+GNU Autoconf is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
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projects / bison.git / blobdiff