+2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix options documentation.
+ * build-aux/cross-options.pl: As in --help output, write optional
+ arguments as [=ARG] not =[ARG].
+ * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
+
+2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
+ If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
+ requirements for a correct m4 are stricter.
+ * m4/m4.m4: Make it a symbolic link to submodules/autoconf/m4/m4.m4.
+ * configure.ac: Update to use AC_PROG_GNU_M4.
+ Reported by Eric Blake.
+
+2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Help with updating web manual.
+ * HACKING: Incorporate instructions from gnulib/doc/README.
+ * bootstrap.conf (gnulib_modules): Add gendocs.
+
+2009-04-03 Akim Demaille <demaille@gostai.com>
+
+ Regen.
+ * src/parse-gram.h, src/parse-gram.c: Regen.
+
+2009-04-03 Akim Demaille <demaille@gostai.com>
+
+ Factor %FLAG at scan level.
+ * src/parse-gram.y (PERCENT_DEBUG, PERCENT_ERROR_VERBOSE): Token
+ definitions and associated rules, replaced by....
+ (PERCENT_FLAG): this new token type, and rule.
+ * src/scan-gram.l (RETURN_PERCENT_FLAG): New.
+ Use it for %debug and %error-verbose.
+
+2009-04-03 Akim Demaille <demaille@gostai.com>
+
+ Regen.
+ * src/parse-gram.h, src/parse-gram.c: Regen.
+
+2009-04-03 Akim Demaille <demaille@gostai.com>
+
+ Treat %debug as %define debug.
+ * data/bison.m4 (b4_debug_if): New.
+ * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c,
+ * data/lalr1.java: Use it instead of b4_debug_flag.
+ * src/getargs.h, src/getargs.c (debug_flag): Remove.
+ * src/output.c (prepare): Don't output it.
+ * src/parse-gram.y: Treat %debug as %define debug.
+
+2009-04-03 Akim Demaille <demaille@gostai.com>
+
+ Treat %error-verbose as %define error_verbose.
+ This allows to pass -Derror_verbose on the command line. Better
+ yet, it allows to pass -Derror_verbose=$(ERROR_VERBOSE), with
+ ERROR_VERBOSE being defined as false or true.
+ * data/bison.m4 (b4_percent_define_if_define): Instead of relying
+ on b4_percent_define_ifdef, for does not check the defined value,
+ but only whether the symbol is defined, rely on
+ b4_percent_define_flag_if, so that a value of "false" is processed
+ as a false.
+ If not defined, define the flag to "false".
+ (b4_error_verbose_if): New.
+ * data/glr.c, data/lalr1.cc, data/yacc.c: Use it instead of
+ b4_error_verbose_flag.
+ * src/getargs.h, src/getargs.c (error_verbose_flag): Remove.
+ * src/output.c (prepare): Don't output it.
+ * src/parse-gram.y (%error-verbose): Treat as %define error_verbose.
+
+2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix strange %define locations for default values.
+ Reported by Akim Demaille at
+ <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
+ and discussed again starting at
+ <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
+ * data/bison.m4 (b4_percent_define_default): Leave syncline blank
+ because location information is bogus.
+ Use angle brackets to delimit fake file name because square brackets
+ look like underexpanded m4. Choose a better fake file name.
+ Use negative line numbers.
+ * src/muscle_tab.c (muscle_percent_define_default): Likewise.
+ * src/location.c (location_print): If line for a boundary is negative,
+ only print that boundary's file name.
+ * src/location.h: Document that.
+ * tests/skeletons.at (%define Boolean variables: invalid skeleton
+ defaults): Update output.
+
+2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Pacify ./configure --enable-gcc-warnings.
+ * Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS) because many files
+ in lib won't compile with it.
+ * src/local.mk (src_bison_CFLAGS): Use $(WERROR_CFLAGS) here only.
+
+2009-03-31 Akim Demaille <demaille@gostai.com>
+
+ bootstrap: --help to stdout.
+ * bootstrap (usage): Don't send --help to stderr.
+ Use a here doc instead of a long string.
+
+2009-03-31 Akim Demaille <demaille@gostai.com>
+
+ bootstrap: README-hacking no longer exists
+ * bootstrap (checkout_only_file): Set to HACKING.
+
+2009-03-26 Akim Demaille <demaille@gostai.com>
+
+ doc: merge HACKING and README-hacking.
+ Two files is confusing.
+ Reported by Alexandre Duret-Lutz.
+
+ * README-hacking: Merge into...
+ * HACKING (Working from the repository): here.
+
+2009-03-26 Akim Demaille <demaille@gostai.com>
+
+ doc: update README-hacking.
+ * README-hacking: We now use git and git submodules.
+ Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
+
+2009-03-26 Akim Demaille <demaille@gostai.com>
+
+ lalr1.cc: avoid GCC 4.3 warnings.
+ GCC 4.3 now warns about "a || b && c" and asks for explicit
+ parentheses.
+ Reported by Alexandre Duret-Lutz.
+ * data/location.cc: Update copyright years.
+ (Position::operator==): Use parens to make precedence explicit.
+ Compare lines and columns first, as they are more likely to be
+ different, and they are faster to compare.
+
+2009-03-26 Akim Demaille <demaille@gostai.com>
+
+ gnulib: update.
+ * gnulib: Update to latest.
+ * src/local.mk (AM_CFLAGS): Move to...
+ * Makefile.am: here.
+ * etc/prefix-gnulib-mk (prefix_assignment): Also transform
+ AM_CFLAGS.
+
+2009-03-02 Akim Demaille <demaille@gostai.com>
+
+ Comment changes.
+
+2009-03-02 Akim Demaille <demaille@gostai.com>
+
+ Share b4_yytranslate_define.
+ * data/lalr1.cc (b4_yytranslate_define): Move to...
+ * data/c++.m4: here.
+
+2009-03-02 Akim Demaille <demaille@gostai.com>
+
+ Use locations in the variant example.
+ Yes, this obfuscates the point of this example, variants only.
+ But glr.cc cannot work (yet?) without locations. This change
+ makes it easier to use this example with glr.cc.
+
+ * examples/variant.yy (assert): %define it.
+ (locations): Request them.
+ (yylex): Bind the location to the stage.
+
+2009-03-02 Akim Demaille <demaille@gostai.com>
+
+ Dub make_TOKEN as a public type interface.
+ * data/c++.m4 (b4_symbol_constructor_declare)
+ (b4_symbol_constructor_define): New empty stubs.
+ (b4_public_types_declare, b4_public_types_define): Use them.
+ * data/lalr1.cc (b4_symbol_constructor_declare)
+ (b4_symbol_constructor_declare_)
+ (b4_symbol_constructor_define_, b4_symbol_constructor_define):
+ Move to...
+ * data/variant.hh: here.
+ Remove the "b4_variant_if" parts, as variant.hh is loaded only if
+ needed.
+ * data/lalr1.cc: No longer invoke b4_symbol_constructor_define and
+ b4_symbol_constructor_declare, as it is now done by
+ b4_public_types_define and b4_public_types_declare.
+
+2009-03-02 Akim Demaille <demaille@gostai.com>
+
+ Coding style changes.
+ * data/lalr1.cc (b4_symbol_constructor_declaration_)
+ (b4_symbol_constructor_declarations)
+ (b4_symbol_constructor_definition_)
+ (b4_symbol_constructor_definitions)
+ (b4_yytranslate_definition): Rename as...
+ (b4_symbol_constructor_declare_)
+ (b4_symbol_constructor_declare)
+ (b4_symbol_constructor_define_)
+ (b4_symbol_constructor_define)
+ (b4_yytranslate_define): these.
+ * data/variant.hh (b4_variant_definition): Rename as...
+ (b4_variant_define): this.
+
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