-2010-12-11 Joel E. Denny <jdenny@clemson.edu>
+2011-01-24 Joel E. Denny <joeldenny@joeldenny.org>
+
+ * data/yacc.c: Fix last apostrophe warning from xgettext.
+
+2011-01-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ Simplify handling of '.' and '-' after unbracketed named references.
+ * doc/bison.texinfo (Mid-Rule Actions): Mention that periods and
+ dashes make symbol names less convenient for named references.
+ * src/scan-code.l:
+ (handle_action_dollar): New arg textlen. All callers changed.
+ (handle_action_at): Likewise. Also, args are pointers to const.
+ (ref_tail_fields): Remove; no longer used.
+ (letter): Now includes '-' and '.', since this is for Bison
+ identifiers.
+ (id): Now the simpler traditional defn, since letters now include
+ '-' and '.'.
+ (c_letter, c_id): New defns.
+ (ref): Use c_id for unbracketed IDs.
+ (<SC_RULE_ACTION>): Simplify, now that the distinction between
+ Bison and unbracketed IDs are now in the regular expressions.
+ (VARIANT_BAD_BRACKETING): Remove.
+ (VARIANT_NOT_VISIBLE_FROM_MIDRULE): Renumber.
+ (find_prefix_end): Remove, replacing with ....
+ (identifier_matches): New function.
+ (variant_add): Use it. Omit EXPLICIT_BRACKETING arg; no longer
+ needed. CP arg is pointer to constant. All callers changed.
+ (show_sub_messages): Remove args CP, EXPLICIT_BRACKETING, DOLLAR_OR_AT.
+ New arg TEXT. All callers changed. Do not worry about showing
+ trailing context.
+ (parse_ref): Args CP, RULE, TEXT are now pointers to const. New
+ arg TEXTLEN. Remove arg DOLLAR_OR_AT. All callers changed.
+ Simplify code now that the regular expressions capture the
+ restrictions.
+ * src/scan-gram.l (letter, id): Adjust to match scan-code.l.
+ * src/symlist.c (symbol_list_null): Arg is now pointer to const.
+ * src/symlist.h: Likewise.
+ * tests/named-refs.at (Misleading references): These are now caught
+ by the C compiler, not by Bison; that's good enough. Adjust test
+ to reflect this.
+ (Many kinds of errors, Unresolved references): Adjust expected
+ diagnostics to match new behavior. The same errors are caught,
+ though the diagnostics are not quite as fancy.
+ ($ or @ followed by . or -): Likewise. Also, Make the grammar
+ unambiguous, so that diagnostics are not complicated by ambiguity
+ warnings.
+
+ Fix minor problems encountered by a fresh bootstrap.
+ * data/glr.c, data/yacc.c: Do not use apostrophes in '#' comments,
+ as they confuse xgettext, which tries to parse them as C character
+ constants in a preprocessor directive.
+ * data/yacc.c (yy_lac): Don't use printf %d format on *yyesp, as
+ that expression might not promote to int on some platforms.
+ * src/parse-gram.c, src/parse-gram.h: Regenerate.
+
+2011-01-09 Joel E. Denny <joeldenny@joeldenny.org>
+
+ Improve error messages for `$' or `@' followed by `.' or `-'.
+ Previously, for this special case of an invalid reference, the
+ usual "symbol not found in production:" was printed. However,
+ because the symbol name was parsed as the empty string, that
+ message was followed immediately by a newline instead of a symbol
+ name. In reality, this is a syntax error, so the reference is
+ invalid regardless of the symbols actually appearing in the
+ production. Discussed at
+ <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00012.html>.
+ * src/scan-code.l (parse_ref): Report the above case as a syntax
+ error. Other than that, continue to handle this case like any
+ other invalid reference that Bison manages to parse because
+ "possibly meant" messages can still be helpful to the user.
+ * tests/named-refs.at ($ or @ followed by . or -): New test group.
+
+2011-01-08 Joel E. Denny <joeldenny@joeldenny.org>
+
+ doc: don't use @acronym.
+ Lately, many GNU packages are dropping it. See
+ <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00003.html>.
+ * doc/bison.texinfo: Remove all uses.
+
+2011-01-05 Alex Rozenman <rozenman@gmail.com>
+
+ Do not allow identifiers that start with a negative number.
+ Reported by Paul Hilfinger as a side effect of named references
+ support at
+ <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>.
+ Suggested by Paul Eggert.
+ * src/scan-code.l ({letter}, {id}): Adjust lexical definitions.
+ * src/scan-gram.l ({letter}, {id}): Likewise.
+
+2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
+
+ * ChangeLog (2011-01-02): improve description.
+
+2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
+
+ maint: don't update copyright years in bootstrap.
+ * .x-update-copyright: Add entry for bootstrap.
+ * bootstrap: Remove 2011 from copyright years. The bootstrap
+ version we're currently using comes from an older version of
+ gnulib.
+ * bootstrap.conf (bootstrap_sync): Add comments explaining this
+ issue.
+
+2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
+
+ maint: run "make update-copyright".
+
+2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
+
+ maint: prepare to use year ranges in copyright notices.
+ * README (Copyright statements): New section explaining the range
+ notation. The GNU maintainers document requires this explanation:
+ <http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices>.
+ I copied our explanation from coreutils.
+ * build-aux/update-b4-copyright: Revert 2010-06-17 changes that
+ disabled Bison's automated use of ranges.
+ * cfg.mk (update-copyright-env): Likewise.
+
+2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
+
+ Correct my email address.
+ * ChangeLog: In all recent entries.
+ * THANKS (Joel E. Denny): Here.
+
+2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
+
+ doc: cleanup.
+ * NEWS (2.5): Try to sort entries according to how interesting
+ users might find them.
+
+2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
+
+ doc: cleanup.
+ * NEWS (2.5): Make some minor improvements to wording, and format
+ entries more consistently.
+ * doc/bison.texinfo (Language and Grammar): Point out that IELR
+ and canonical LR are experimental features.
+ (Decl Summary): In list of %define variables, make wording more
+ consistent. Improve discussion of using LALR for GLR.
+
+2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
+
+ parse.lac: document.
+ * NEWS (2.5): Add entry for LAC, and mention LAC in entry for
+ other corrections to verbose syntax error messages.
+ * doc/bison.texinfo (Decl Summary): Rewrite entries for
+ lr.default-reductions and lr.type to be clearer, to mention
+ %nonassoc's effect on canonical LR, and to mention LAC. Add entry
+ for parse.lac.
+ (Glossary): Add entry for LAC.
+
+2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
parse.lac: implement exploratory stack reallocations.
* data/yacc.c: Rename %define variable parse.lac.es-capacity to
(LAC: Memory exhaustion): Update to use YYMAXDEPTH and
parse.lac.es-capacity-initial.
-2010-12-11 Joel E. Denny <jdenny@clemson.edu>
+2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
parse.lac: implement as %define variable.
LAC = lookahead correction. See discussion at
* tests/regression.at (LAC: Exploratory stack): New test group.
(LAC: Memory exhaustion): New test group.
-2010-11-21 Joel E. Denny <jdenny@clemson.edu>
+2010-11-21 Joel E. Denny <joeldenny@joeldenny.org>
build: use gnulib's new bootstrap_sync option.
Now, whenever we update bison's copy of gnulib, bootstrap will
* bootstrap.conf (bootstrap_sync): Set to true.
* gnulib: Update to latest so bootstrap is in sync now.
-2010-11-07 Joel E. Denny <jdenny@clemson.edu>
+2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
yysyntax_error: fix for consistent error with lookahead.
* NEWS (2.5): Document.
(AT_BISON_OPTION_POPDEFS): Pop it.
(AT_FULL_COMPILE): Extend to handle Java.
-2010-11-07 Joel E. Denny <jdenny@clemson.edu>
+2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
yysyntax_error: more preparation for readability of next patch.
There are no behavioral changes here.
* tests/conflicts.at (parse.error=verbose and consistent errors):
Reorganize.
-2010-11-07 Joel E. Denny <jdenny@clemson.edu>
+2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
yysyntax_error: prepare for readability of next patches.
These are purely whitespace changes that result in ugly code
-----
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