COMMIT Float#round takes an optional arg	http://github.com/rubyspec/rubyspec/commit/d6e6851273fe04be7010130f4deeb906d35311a9
COMMIT Add spec for Hash.each[_pair] yielding to |k,| args.	http://github.com/rubyspec/rubyspec/commit/605e05cfdacae5ba6efca269e98263671acac417
COMMIT Add specs for Proc#parameters with both styles of anonymous restarg.	http://github.com/rubyspec/rubyspec/commit/aad38981bbd18996b8c82c58b10ce286535c989a

===================================================================
+++ 20110117T023555Z
@@ 13736 @@
 Hash#each
 - yields a [[key, value]] Array for each pair to a block expecting |*args|
 - yields the key and value of each pair to a block expecting |key, value|
+- yields the key only to a block expecting |key,|
 - uses the same order as keys() and values()
 - returns an Enumerator if called on a non-empty hash without a block
 - returns an Enumerator if called on an empty hash without a block
@@ 44639 @@
 Hash#each
 - yields a [[key, value]] Array for each pair to a block expecting |*args|
 - yields the key and value of each pair to a block expecting |key, value|
+- yields the key only to a block expecting |key,|
 - uses the same order as keys() and values()
 - returns an Enumerator if called on a non-empty hash without a block
 - returns an Enumerator if called on an empty hash without a block