2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index d807e67e0e..e32d18d0b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jun 27 00:40:47 2011  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* hash.c (rb_hash_reject): add documentation that Hash#reject
+	  without block returns enumerator.
+	  patched by Michael Edgar [Bug #4847] [ruby-core:36800]
+
 Sun Jun 26 23:49:21 2011  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* test/date/test_switch_hitter.rb: added a test.
diff --git a/hash.c b/hash.c
index 2045a536c1..4b5cd33b0d 100644
--- a/hash.c
+++ b/hash.c
@@ -944,6 +944,7 @@ rb_hash_reject_bang(VALUE hash)
 /*
  *  call-seq:
  *     hsh.reject {| key, value | block }  -> a_hash
+ *     hsh.reject                          -> an_enumerator
  *
  *  Same as <code>Hash#delete_if</code>, but works on (and returns) a
  *  copy of the <i>hsh</i>. Equivalent to