Version 2.5.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 989e6b8b234db8748a5fc5a46b9a9958eb11c90d..ec94f4db0cd290a214b7c526d17cbc6b1c2edfdd 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -60,7 +60,7 @@ Bison News
   allow the programmer to prune possible parses based on the values of
   runtime expressions.
 
-* Changes in version 2.5 (????-??-??):
+* Changes in version 2.5 (2011-05-14):
 
 ** Grammar symbol names can now contain non-initial dashes:
 
@@ -393,7 +393,7 @@ Bison News
 
     bison -Werror,none,yacc gram.y
 
-*** The `none' category now disables all Bison warnings.
+*** The `none' category now disables all Bison warnings:
 
   Previously, the `none' category disabled only Bison warnings for
   which there existed a specific -W/--warning category.  However,
@@ -402,6 +402,16 @@ Bison News
 
     bison -Wnone gram.y
 
+** Precedence directives can now assign token number 0:
+
+  Since Bison 2.3b, which restored the ability of precedence
+  directives to assign token numbers, doing so for token number 0 has
+  produced an assertion failure.  For example:
+
+    %left END 0
+
+  This bug has been fixed.
+
 * Changes in version 2.4.3 (2010-08-05):
 
 ** Bison now obeys -Werror and --warnings=error for warnings about