Merge remote-tracking branch 'origin/maint'

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index a2ea735e8faac7bd3d533ec1044e2649f5f9a920..e9b7fd9bed5fceb40b2e4b7d833c2c54df8f89cc 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -242,6 +242,22 @@ GNU Bison NEWS
 
 * Noteworthy changes in release ?.? (????-??-??) [?]
 
 
 * Noteworthy changes in release ?.? (????-??-??) [?]
 

+** %language is no longer an experimental feature.
+
+  The introduction of this feature, in 2.4, was four years ago. The --language
+  option and the %language directive are no longer experimental.
+
+** New value for %define variable: api.pure full
+
+  The %define variable api.pure requests a pure (reentrant) parser. However,
+  for historical reasons, using it in a location-tracking Yacc parser resulted
+  in an yyerror function that did not take a location as a parameter. With this
+  new value, the user may request a better pure parser, where yyerror does take
+  a location as a parameter (in location-tracking parsers).
+
+  The use of "%define api.pure true" is deprecated in favor of this new
+  "%define api.pure full".
+

 ** Changes in the format of error messages
 
   This used to be the format of many error reports:
 ** Changes in the format of error messages
 
   This used to be the format of many error reports:


@@ -282,7 +298,7 @@ GNU Bison NEWS
   position_type are deprecated in favor of api.location.type and
   api.position.type.
 
   position_type are deprecated in favor of api.location.type and
   api.position.type.
 

-** Graphviz improvements
+** Graph improvements in DOT and XSLT

 
   The graphical presentation of the states is more readable: their shape is
   now rectangular, the state number is clearly displayed, and the items are
 
   The graphical presentation of the states is more readable: their shape is
   now rectangular, the state number is clearly displayed, and the items are


@@ -291,6 +307,41 @@ GNU Bison NEWS
   The reductions are now explicitly represented as transitions to other
   diamond shaped nodes.
 
   The reductions are now explicitly represented as transitions to other
   diamond shaped nodes.
 

+  These changes are present in both --graph output and xml2dot.xsl XSLT
+  processing, with minor (documented) differences.
+
+  Two nodes were added to the documentation: Xml and Graphviz.
+
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+** Bug fixes
+
+  Warnings about uninitialized yylloc in yyparse have been fixed.
+
+** Documentation
+
+  The sections about shift/reduce and reduce/reduce conflicts resolution
+  have been fixed and extended.
+
+* Noteworthy changes in release 2.6.5 (2012-11-07) [stable]
+
+  We consider compiler warnings about Bison generated parsers to be bugs.
+  Rather than working around them in your own project, please consider
+  reporting them to us.
+
+** Bug fixes
+
+  Warnings about uninitialized yylval and/or yylloc for push parsers with a
+  pure interface have been fixed for GCC 4.0 up to 4.8, and Clang 2.9 to
+  3.2.
+
+  Other issues in the test suite have been addressed.
+
+  Nul characters are correctly displayed in error messages.
+
+  When possible, yylloc is correctly initialized before calling yylex.  It
+  is no longer necessary to initialize it in the %initial-action.
+

 * Noteworthy changes in release 2.6.4 (2012-10-23) [stable]
 
   Bison 2.6.3's --version was incorrect.  This release fixes this issue.
 * Noteworthy changes in release 2.6.4 (2012-10-23) [stable]
 
   Bison 2.6.3's --version was incorrect.  This release fixes this issue.