Add news about USE_EXPAND wildcards. (trunk r6802)

svn path=/main/branches/2.1.3/; revision=6803
diff --git a/NEWS b/NEWS
index 436f989..edb2f33 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,12 @@
 News (mainly features/major bug fixes)
+* USE_EXPAND variables such as LINGUAS support a * wildcard that will enable
+  all of the corresponding flags that are listed in IUSE for a given package.
+  USE_EXPAND wildcards such as linguas_* are supported in USE and package.use.