diff --git a/ChangeLog b/ChangeLog
index f22e3c69b0..cf453f58a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jul 23 08:52:22 2004  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/net/imap.rb (disconnected?): new method.
+
 Mon Jul 19 00:53:46 2004  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* lib/webrick/httpservlet/cgihandler.rb
diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 7e8d574fbe..705d54b0ce 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -289,6 +289,11 @@ module Net
       @sock.close
     end
 
+    # Returns true if disconnected from the server.
+    def disconnected?
+      return @sock.closed?
+    end
+
     # Sends a CAPABILITY command, and returns an array of
     # capabilities that the server supports.  Each capability
     # is a string.  See [IMAP] for a list of possible