maint: remove trailing empty lines.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index c3f73190c246616478f5bd943ca9dbb4ebaa9357..293e2dfda6a20e13191d58702d220fa313f77bcb 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -24,6 +24,15 @@ Bison News
   Also, it is possible to add code to the parser's constructors using
   "%code init" and "%define init_throws".
 
+** C++ skeleton improvements
+
+  The C++ parser features a syntax_error exception, which can be
+  thrown from the scanner or from user rules to raise syntax errors.
+  This facilitates reporting errors caught in sub-functions (e.g.,
+  rejecting too large integral literals from a conversion function
+  used by the scanner, or rejecting invalid combinations from a
+  factory invoked by the user actions).
+
 ** Variable api.tokens.prefix
 
   The variable api.tokens.prefix changes the way tokens are identified in
@@ -62,8 +71,12 @@ Bison News
 
 * Changes in version 2.5.1 (????-??-??):
 
+** Some portability problems in the test suite have been fixed.
+
 ** Minor improvements have been made to the manual.
 
+** YYBACKUP works as expected.
+
 * Changes in version 2.5 (2011-05-14):
 
 ** Grammar symbol names can now contain non-initial dashes:
@@ -1577,7 +1590,7 @@ End:
 
 -----
 
-Copyright (C) 1995-2011 Free Software Foundation, Inc.
+Copyright (C) 1995-2012 Free Software Foundation, Inc.
 
 This file is part of Bison, the GNU Parser Generator.