regen

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index c17939a384bb599ae12760b95815b3e4c720f62d..150068eefb4fa38751c625da35f7975b4afad436 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,14 @@ GNU Bison NEWS
 
 * Noteworthy changes in release ?.? (????-??-??) [?]
 
+** Incompatible changes
+
+*** Obsolete features
+
+  Support for YYFAIL is removed, as announced since Bison 2.4.2.
+  Support for yystype and yyltype (instead of YYSTYPE and YYLTYPE)
+  is removed, as announced in Bison 1.875.
+
 ** Warnings
 
 *** Warning categories are now displayed in warnings
@@ -121,13 +129,50 @@ GNU Bison NEWS
 
 * Noteworthy changes in release ?.? (????-??-??) [?]
 
+ Bison no longer executes user-specified M4 code when processing a grammar.
+
+** Future Changes
+
+  In addition to the removal of the features announced in Bison 2.6, the
+  next major release will remove the "Temporary hack for adding a semicolon
+  to the user action", as announced in the release 2.5.  Instead of:
+
+    exp: exp "+" exp { $$ = $1 + $3 };
+
+  write:
+
+    exp: exp "+" exp { $$ = $1 + $3; };
+
+** Bug fixes
+
+*** Type names are now properly escaped.
+
+*** glr.cc: set_debug_level and debug_level work as expected.
+
+*** Stray @ or $ in actions
+
+  While Bison used to warn about stray $ or @ in action rules, it did not
+  for other actions such as printers, destructors, or initial actions.  It
+  now does.
+
+** Type names in actions
 
-* Noteworthy changes in release 2.5.90 (2012-07-05) [beta]
+  For consistency with rule actions, it is now possible to qualify $$ by a
+  type-name in destructors, printers, and initial actions.  For instance:
+
+    %printer { fprintf (yyo, "(%d, %f)", $<ival>$, $<fval>$); } <*> <>;
+
+  will display two values for each typed and untyped symbol (provided
+  that YYSTYPE has both "ival" and "fval" fields).
+
+* Noteworthy changes in release 2.6 (2012-07-19) [stable]
+
+** Future changes:
 
   The next major release of Bison will drop support for the following
   deprecated features.  Please report disagreements to bug-bison@gnu.org.
 
-*** K&C parsers
+*** K&R C parsers
 
   Support for generating parsers in K&R C will be removed.  Parsers
   generated for C support ISO C90, and are tested with ISO C99 and ISO C11