maint: update for changes to gnulib's announce-gen.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 8e3280a3544c68e49664dc84bbb91a7fdee10312..08b0f194c7dc4a0f444cb78d284ae44ca6316830 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -130,6 +130,12 @@ Bison News
   discussion of how to suppress C preprocessor warnings about YYFAIL
   being unused, see the Bison 2.4.2 NEWS entry.
 
+** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
+
+  As promised in Bison 2.4.2's NEWS entry, it is now an error if a token
+  that appears after a %prec directive is not defined by %token, %left,
+  %right, or %nonassoc.  This is required by POSIX.
+
 ** Temporary hack for adding a semicolon to the user action.
 
   Previously, Bison appended a semicolon to every user action for
@@ -180,7 +186,13 @@ Bison News
   determine which destructor to call for the lookahead upon a syntax
   error or upon parser return.  This bug has been fixed.
 
-* Changes in version 2.4.2 (????-??-??):
+* Changes in version 2.4.2 (2010-03-20):
+
+** Some portability problems that resulted in failures and livelocks
+   in the test suite on some versions of at least Solaris, AIX, HP-UX,
+   RHEL4, and Tru64 have been addressed.  As a result, fatal Bison
+   errors should no longer cause M4 to report a broken pipe on the
+   affected platforms.
 
 ** `%prec IDENTIFIER' requires IDENTIFIER to be defined separately.
 
@@ -1313,8 +1325,7 @@ End:
 
 -----
 
-Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+Copyright (C) 1995-2010 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Parser Generator.