Fix gcc 3.4.4 shadowing warning reported by Eric Blake.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 54a10d8c891d483664380b78e74fb1943b31ba30..ca458c7e5393b68e9bf55a56d62f04c3522eb8b2 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -55,9 +55,9 @@ Bison News
   default.  You can specify the type of parser tables in the grammar
   file with these directives:
 
-    %define lr.type "LALR"
-    %define lr.type "IELR"
-    %define lr.type "canonical LR"
+    %define lr.type lalr
+    %define lr.type ielr
+    %define lr.type canonical-lr
 
   The default reduction optimization in the parser tables can also be
   adjusted using `%define lr.default-reductions'.  See the documentation
@@ -68,9 +68,11 @@ Bison News
   These features are experimental.  More user feedback will help to
   stabilize them.
 
-** Multiple %define's for any variable is now an error not a warning.
+** %define improvements.
 
-** %define can now be invoked via the command line.
+*** Multiple invocations for any variable is now an error not a warning.
+
+*** Can now be invoked via the command line.
 
   Each of these command-line options
 
@@ -89,7 +91,7 @@ Bison News
   quietly override %define, but -D and --define do not.  For further
   details, see the section "Bison Options" in the Bison manual.
 
-** %define variables renamed.
+*** Variables renamed.
 
   The following %define variables
 
@@ -104,7 +106,18 @@ Bison News
   The old names are now deprecated but will be maintained indefinitely
   for backward compatibility.
 
-** Symbols names
+*** Values no longer need to be quoted in grammar file.
+
+  If a %define value is an identifier, it no longer needs to be placed
+  within quotations marks.  For example,
+
+    %define api.push-pull "push"
+
+  can be rewritten as
+
+    %define api.push-pull push
+
+** Symbol names.
 
   Consistently with directives (such as %error-verbose) and variables
   (e.g. push-pull), symbol names may include dashes in any position,
@@ -146,6 +159,15 @@ Bison News
   Bison now warns when a character literal is not of length one.  In
   some future release, Bison will report an error instead.
 
+** Verbose error messages fixed for nonassociative tokens.
+
+  When %error-verbose is specified, syntax error messages produced by
+  the generated parser include the unexpected token as well as a list of
+  expected tokens.  Previously, this list erroneously included tokens
+  that would actually induce a syntax error because conflicts for them
+  were resolved with %nonassoc.  Such tokens are now properly omitted
+  from the list.
+
 * Changes in version 2.4.2 (????-??-??):
 
 ** Detection of GNU M4 1.4.6 or newer during configure is improved.