build: create xz instead of bzip2 tarballs.

[bison.git] / NEWS

diff --git a/NEWS b/NEWS
index 3eb2cc69d06cec6208bcbfa9ee9cd63fca63269f..f84798894b8cc32728fe237eb4aa79751842e7b0 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,11 @@
 Bison News
 ----------
 
-* Changes in version 2.5 (????-??-??):
+* Changes in version 2.5.1 (????-??-??):
+
+** Minor improvements have been made to the manual.
+
+* Changes in version 2.5 (2011-05-14):
 
 ** Grammar symbol names can now contain non-initial dashes:
 
@@ -334,7 +338,7 @@ 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,
@@ -343,6 +347,16 @@ 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