Mention Hash#key and other hash like interfaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20637 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/NEWS b/doc/NEWS
index 11482e67be..7bee7f6e5e 100644
--- a/doc/NEWS
+++ b/doc/NEWS
@@ -41,6 +41,9 @@ Incompatible (Trivial)
           o Hash#to_s is equivalent to Hash#inspect
           o Semantics for Hash#each and Hash#each_pair
           o Hash#select
+          o Hash#key is the new name for #index which has been deprecated.
+          o Most of the changes in Hash apply to hash like interfaces such as
+            ENV and *DBM.
     * Integer
           o Integer(nil) raises TypeError
     * Struct