+2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Say %language is experimental.
+ We're thinking of extending it's effect on output file naming. See the
+ thread at
+ <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
+ * NEWS: Say it's experimental.
+ * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
+ recommend it over %skeleton for now.
+ (Bison Options): Likewise.
+ (C++ Bison Interface): Use %skeleton not %language.
+ (Calc++ Parser): Use %skeleton not %language.
+ * src/getargs.c (usage): Say it's experimental.
+
+2008-11-01 Di-an Jan <dianj@freeshell.org>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ Support all Java parser class modifiers.
+ * data/java.m4 (b4_percent_define_get3): New.
+ (b4_final_if, b4_strictfp_if): New.
+ * data/lalr1.java (final, strictfp, extends, implements): Support.
+ * doc/bison.texinfo (final, strictfp, extends, implements): Add
+ documentation.
+ * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
+ (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
+ (AT_CHECK_JAVA_GREP): New.
+ (Java parser class modifiers): New test.
+ (Java parser class extends and implements): New test.
+
+ Model exception propagation better with throws and lex_throws.
+ * data/java.m4 (b4_list2): New.
+ (throws): Change default.
+ * data/lalr1.java (yyaction): Add throws.
+ (parse): Add lex_throws in addition to throws.
+ * doc/bison.texinfo (throws, lex_throws): Add documentation.
+ * tests/java.at (Java throws specifications): New test.
+
+ Improve documentation for Java parsers.
+ * doc/bison.texinfo (Java Parsers): Add subsections.
+ Don't quote first argument of %define.
+ (Java Bison Interface): Document output files. Move documentation
+ of parser class and merge into Java Parser Interface. Document
+ features that error out. Document directives with no effect.
+ Move note about Javadoc higher.
+ (Java Semantic Values): Explicitly mention stype.
+ Document that generic types cannot be used.
+ (Java Location Values): Use @deftypeivar. Document constructors.
+ Correct return value for toString.
+ (Java Parser Interface): List undocumented constants/fields.
+ Move documentation of fields added by %parse-param closer to list
+ of members. Document that token names are added as fields.
+ Document constructors accurately. Remove error method.
+ (Java Scanner Interface): Move note on %pure-parser to Java Bison
+ Interface. Describe %code lexer and yylex accutately.
+ Remove documentation that does not match the code.
+ (Java Action Features): New.
+ (Java Differences): Add reference. Add item on semantic values.
+ Add note about @{ ... @}. Clarify %% epilogue placement.
+ (Java Declarations Summary): New.
+
+ Fix Java skeleton.
+ * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
+ (b4_remove_comma): Quote test argument.
+ (b4_identification): Remove "bison" field.
+ * tests/java.at (Java parser class and package names): New test.
+ (Java %parse-param and %lex-param): New test.
+ (Java stype, position_class and location_class): New test.
+
+2008-10-31 Di-an Jan <dianj@freeshell.org>
+
+ * data/lalr1.jave: Update copyright years.
+ (YYParser): Correct name of "generated from" file in Javadoc:
+ use b4_file_name instead of @ofile@.
+ (Location constructor): Correct Javadoc parameter name.
+ (yylloc): Add missing opening m4 quote after b4_location_if.
+ This removes a stray [ in the Javadoc of Lexer.getStartPos.
+ (Lexer.yyerror): Fix incorrect m4 and Javadoc.
+ (YYParser constructor): Correct Javadoc parameter name.
+
+2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Always put auxiliary code files in the same dir as other output files.
+ * src/files.c (compute_file_name_parts): When the user specifies
+ --output but not --file-prefix, extract the directory prefix from the
+ file prefix not from the grammar file name. This affects the location
+ of files like location.hh generated by the C++ skeleton. The includes
+ in the other output files require this fix.
+ * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
+ for expected output files.
+ (Output files): Add a test for the above.
+
+2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ * gnulib: Update submodule to HEAD.
+
+2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Update copyright year.
+ * src/files.c: Here.
+
+2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
+
+ Don't overwrite the input file.
+ * src/files.c (output_file_name_check): Fatal error if using input file
+ for output.
+ * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
+ argument.
+ (Conflicting output files): Add test.
+
+2008-10-28 Akim Demaille <demaille@gostai.com>
+
+ Space changes.
+ * data/lalr1.cc: Formatting changes.
+
+2008-10-28 Akim Demaille <demaille@gostai.com>
+
+ Don't define debugging functions when !YYDEBUG.
+ * data/lalr1.cc (debug_stream, set_debug_stream)
+ (debug_level_type, debug_level, set_debug_level): Don't
+ declare them when YYDEBUG is not defined.
+ The implementation are already YYDEBUG-aware.
+
+2008-10-28 Akim Demaille <demaille@gostai.com>
+
+ Prefer "continue" for empty loop bodies.
+ * etc/bench.pl.in: Use "continue" instead of {}.
+
+2008-10-28 Akim Demaille <demaille@gostai.com>
+
+ Space and comments changes.
+ * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
+ * data/c.m4, data/lalr1.cc: Space changes.
+
+2008-10-28 Akim Demaille <demaille@gostai.com>
+
+ Make gnulib a submodule.
+ * gnulib: New.
+ * .gitmodules (gnulib): New.
+
+2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix yyerror_range for user-defined location type in C++. Reported by
+ Georg Sauthoff at
+ <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
+ * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
+ * THANKS (Georg Sauthoff): Add.
+
+2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Update several administrative files mainly to facilitate releasing.
+ * HACKING (Administrivia): Make the git-merge-changelog notes more
+ helpful.
+ (Test suite): Don't say lalr1.cc is not exercised in the test suite.
+ (Release Procedure): Update for git and add numerous details that were
+ previously missing.
+ * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
+ * maint.mk (announcement): Don't list bison as a bootstrap tool so
+ that announcements don't claim we bootstrapped with whatever bison
+ happened to be in PATH. Add flex as a bootstrap tool.
+ * Makefile.maint: Remove, previously replaced by maint.mk.
+ * Makefile.cfg: Remove, and migrate settings to...
+ * cfg.mk: ... here for the sake of `make announcement'.
+ * bootstrap.conf (gnulib_modules): Add announce-gen.
+ * README: Say GNU Bison instead of just Bison. Suggested by Karl
+ Berry.
+
+2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
+
+ Small but important bugfixes for the Java skeleton.
+ * data/lalr1.java (yyerror): Change Location to b4_location_type.
+ (yy_symbol_print): Call toString on yyvaluep.
+
+2008-08-29 Akim Demaille <demaille@gostai.com>
+
+ Clarify UPDATED use.
+ * doc/bison.texinfo: It refers to the last edition of this file,
+ not to the release date of Bison.
+ Reported by Joel E. Denny.
+
+2008-08-29 Akim Demaille <demaille@gostai.com>
+
+ * README: Update FAQ pointer.
+ Reported by Joel E. Denny.
+
+2008-08-27 Eric Blake <ebb9@byu.net>
+
+ Resync m4sugar from autoconf.
+ * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
+ (m4_init): Adjust to latest m4.git changes.
+ (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
+ effects.
+ * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
+ (_m4_list_cmp): Reduce side effects.
+
+2008-08-27 Akim Demaille <demaille@gostai.com>
+
+ Check yyerrok in calc.at.
+ * tests/calc.at (calc.y): Use yyerrok on "( error )".
+ (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
+ expected.
+
+2008-08-27 Akim Demaille <demaille@gostai.com>
+
+ Support yyerrok in lalr1.cc.
+ YYBACKUP is still to import back into lalr1.cc.
+ * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
+
+2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ For maintainer-check*, don't recompile for a $(VERSION) update.
+ * cfg.mk: New file.
+ (_is-dist-target): Override the one in GNUmakefile.
+ * Makefile.am (EXTRA_DIST): Add cfg.mk.
+
+2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Update for recent change to gnulib.
+ * src/parse-gram.y: Don't include strverscmp.h. It comes from
+ string.h now.
+
+2008-08-15 Eric Blake <ebb9@byu.net>
+
+ Remaining m4sugar merge from autoconf.
+ * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
+ * data/m4sugar/foreach.m4: New file, copied from autoconf.
+ * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
+ * src/output.c (output_skeleton): Tell m4 how to find it.
+
+ Partial m4sugar merge from autoconf: m4_map.
+ * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
+ (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
+ (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
+ * data/java.m4 (b4_token_enums): Use more efficient short-circuit
+ for empty list.
+ * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
+ Likewise.
+ (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
+ declares it.
+
+2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Keep .version and PACKAGE_VERSION in sync.
+ * Makefile.am ($(top_srcdir)/.version): Declare configure as a
+ dependency, and add comments justifying this in more detail. Discussed
+ starting at
+ <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
+
+2008-08-06 Eric Blake <ebb9@byu.net>
+
+ Partial m4sugar merge from autoconf: m4_shiftn.
+ * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
+ (m4_shift2, m4_shift3): New macros.
+ (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
+ * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
+ (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
+ * data/java.m4 (b4_remove_comma): Likewise.
+
+ Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
+ * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
+ (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
+ (m4_init): Consolidate wrapped text into single m4_wrap.
+ * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
+ in wrapped text.
+
+2008-08-05 Eric Blake <ebb9@byu.net>
+
+ Partial m4sugar merge from autoconf: builtins, version.m4.
+ * data/m4sugar/m4sugar.m4 (changeword): Nuke.
+ (m4_prepend): Remove, as it is unused and inherently quadratic,
+ whereas m4_append is linear in newer m4.
+ (m4_mkstemp): New builtin.
+ (m4_symbols): Make rename conditional.
+ (m4_version_prereq): Ensure fatal error if used in bison, which
+ intentionally lacks version.m4.
+
+ Fix comments in m4sugar.
+ * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
+
+2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Update for recent .gitignore fix in Gnulib.
+ * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
+ anchored .gitignore entries.
+
+2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Set gnu or gnits strictness.
+ * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
+ development and gnits strictness for releases. Based on Eric Blake's
+ suggestion at
+ <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
+
+2008-07-31 Paolo Bonzini <bonzini@gnu.org>
+
+ * NEWS: Clarify documentation of %language.
+
+2008-07-31 Paolo Bonzini <bonzini@gnu.org>
+
+ Support usage of git-merge-changelog.
+ * .gitattributes: New.
+ * HACKING: Document usage of git-merge-changelog.
+ * bootstrap: Install git-merge-changelog entries in .git/config
+ if appropriate.
+
+2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Remove remaining dependence on CVS Id keyword.
+ * ChangeLog: For the sake of people still using CVS, don't use dollars
+ when mentioning Id.
+ * data/xslt/bison.xsl: Remove Id from header comments, where it was
+ unusual anyway.
+ * data/xslt/xml2dot.xsl: Likewise.
+ * data/xslt/xml2text.xsl: Likewise.
+ * data/xslt/xml2xhtml.xsl: Likewise.
+ * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
+ * doc/Makefile.am (neutralize): Remove, no longer needed.
+ (.x.1): Don't use neutralize.
+ (edit): Don't substitute for ID.
+ (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
+
+2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix dependence on computed configure variables.
+ * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
+ $(top_srcdir)/configure.ac so that changes to computed variables, such
+ as PACKAGE_VERSION, are seen.
+ * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
+
+2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Update copyright dates for recent changes.
+ * Makefile.am: Here.
+ * src/Makefile.am: Here.
+ * src/reduce.c: Here.
+ * tests/reduce.at: Here.
+
+2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Use git-version-gen for version names between releases.
+ * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
+ * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
+ * .prev-version: New.
+ * .version.in: Remove.
+ * ChangeLog: Remove the Id previously used for capturing the CVS
+ revision.
+ * GNUmakefile: Remove, now copied from Gnulib.
+ * Makefile.am: Add code suggested by comments in
+ build-aux/git-version-gen.
+ (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
+ .prev-version, and .version.
+ * NEWS (2.3b+): Rename to...
+ (?.?): ... this because we're dropping the "+" version naming scheme,
+ but, in general, we still can't be sure of our next release name.
+ * bootstrap: Add a quick hack to remove from .gitignore the
+ GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
+ entry. This should really be fixed in gnulib instead.
+ * bootstrap.conf (gnulib_modules): Add gnumakefile.
+ * configure.ac (AC_INIT): Set version name by invoking
+ build-aux/git-version-gen.
+ (AC_CONFIG_FILES): Remove .version, now generated by
+ build-aux/git-version-gen.
+ * maint.mk: New, copied from coreutils.
+ * doc/.cvsignore (bison.1): Add.
+ * doc/.gitignore (/bison.1): Add.
+ * doc/bison.1: Remove, generated.
+ * src/.cvsignore (revision.c): Remove.
+ * src/.gitignore (/revision.c): Remove.
+ * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
+ (BUILT_SOURCES): Remove revision.c.
+ (revision.c): Remove.
+ * src/getargs.c (version): Don't print revision after the VERSION.
+ * src/revision.h: Remove.
+
+2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix untranslatable composition of sentences. Reported by Goran
+ Uddeborg at
+ <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
+ * THANKS (Goran Uddeborg): Add.
+ * src/reduce.c (reduce_print): Report the number of nonterminals and
+ rules useless in the grammar in separate sentences.
+ * tests/reduce.at (Useless Rules): Update output.
+ (Reduced Automaton): Likewise.
+ (Underivable Rules): Likewise.
+ (Empty Language): Likewise.
+
+2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Fix some .gitignore and .cvsignore problems.
+ * bootstrap (insert_sorted_if_absent): Replace all uses with...
+ (insert_vc_ignore): ... this new function, which prepends `/' to all
+ .gitignore entries before passing them to insert_sorted_if_absent.
+ * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
+ .cvsignore files are maintained even though Bison developers run
+ bootstrap while using Git.
+ * .cvsignore (*.patch *.log log patches applied): Remove, apparently
+ unneeded by Bison.
+ (gnulib): Add.
+ * .gitignore (/*.patch *.log log patches applied): Remove, broken and
+ unneeded. Reported by Eric Blake.
+ * lib/.gitignore (/*~): Add.
+ * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
+ * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
+ Blake.
+ * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
+
+2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ Improve forward-compatibility with GNU M4. Reported by Eric Blake at
+ <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
+ * bootstrap.conf (gnulib_modules): Add unsetenv.
+ * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
+ * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
+ (/setenv.m4): Add.
+ * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
+ the first argument because it may become position-dependent, and unset
+ POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
+ Add comments explaining these issues in more detail.
+