Fix complaints about escape sequences.

[bison.git] / ChangeLog

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+2009-08-19  Joel E. Denny  <jdenny@clemson.edu>
+
+       Fix complaints about escape sequences.
+       Discussed starting at
+       <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
+       * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
+       For a \0 and similar escape sequences meaning the null
+       character, report an invalid escape sequence instead of an
+       invalid null character because the latter does not actually
+       appear in the user's input.
+       In all escape sequence complaints, don't escape the initial
+       backslash, and don't quote when the sequence appears at the end
+       of the complaint line unless there's whitespace that quotearg
+       won't escape.
+       Consistently say "invalid" not "unrecognized".
+       Consistently prefer "empty character literal" over "extra
+       characters in character literal" warning for invalid escape
+       sequences; that is, consistently discard those sequences.
+       * tests/input.at (Bad escapes in literals): New.
+
+2009-08-19  Akim Demaille  <demaille@gostai.com>
+
+       doc: fixes.
+       * doc/bison.texinfo: Fix minor Texinfo errors.
+
+2009-08-19  Akim Demaille  <demaille@gostai.com>
+
+       doc: %initial-action to initialize yylloc.
+       Reported by Bill Allombert.
+       * doc/bison.texinfo: Set fill-column to 76.
+       (Location Type): Document the use of %initial-action to initialize
+       yylloc.
+
+2009-08-18  Joel E. Denny  <jdenny@clemson.edu>
+
+       maint: update for gnulib's recent update-copyright changes
+       * gnulib: Update.
+       * .x-update-copyright (COPYING): Add as it's no longer implied
+       when .x-update-copyright is present.
+       * cfg.mk (update-copyright-local): Remove, now ignored.
+       (update-copyright): Declare update-b4-copyright as a dependency.
+
+2009-08-17  Akim Demaille  <demaille@gostai.com>
+
+       build: require gettext 0.17.
+
+       Suggested by Bruno Haible.
+       http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
+       * configure.ac: require gettext 0.17 to ensure compatibility with
+       gnulib.
+
 2009-08-17  Akim Demaille  <demaille@gostai.com>
 
        build: lower gettext requirements.