diff --git a/ChangeLog b/ChangeLog
index 47df9fd6a2..3f4f7888b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Thu Nov 27 11:25:04 2008  Akinori MUSHA  <knu@iDaemons.org>
+
+	* range.c: Add Range#cover? as a new alias to #include? for the
+	  forward compatibility with 1.9, in which the behavior of
+	  Range#include? has changed.
+
 Wed Nov 26 13:31:07 2008  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* ext/gdbm/gdbm.c: do not set members of RSTRING(str) directly.
diff --git a/NEWS b/NEWS
index 8d06ee8117..131523a291 100644
--- a/NEWS
+++ b/NEWS
@@ -38,6 +38,11 @@ with all sufficient information, see the ChangeLog file.
 
     Renamed from ENV.index.
 
+  * Range#cover?
+
+    New alias to #include? for the forward compatibility with 1.9, in
+    which the behavior of Range#include? has changed.
+
 * dbm
 
   DBM#key
diff --git a/range.c b/range.c
index 7526324da7..f85f3b759b 100644
--- a/range.c
+++ b/range.c
@@ -695,6 +695,7 @@ Init_Range()
 
     rb_define_method(rb_cRange, "member?", range_include, 1);
     rb_define_method(rb_cRange, "include?", range_include, 1);
+    rb_define_method(rb_cRange, "cover?", range_include, 1);
 
     id_cmp = rb_intern("<=>");
     id_succ = rb_intern("succ");