Index: twitter4r/lib/twitter/model.rb
diff -u twitter4r/lib/twitter/model.rb:1.1.1.1 twitter4r/lib/twitter/model.rb:1.1.1.1.2.1
--- twitter4r/lib/twitter/model.rb:1.1.1.1	Sun Mar 15 14:57:13 2009
+++ twitter4r/lib/twitter/model.rb	Sun Mar 15 18:14:02 2009
@@ -219,7 +219,10 @@
   # Represents a status posted to <tt>Twitter</tt> by a <tt>Twitter</tt> user.
   class Status
     include ModelMixin
-    @@ATTRIBUTES = [:id, :text, :created_at, :user]
+    @@ATTRIBUTES = [
+      :id, :text, :created_at, :user, :source,
+      :in_reply_to_status_id, :in_reply_to_user_id, :in_reply_to_screen_name
+    ]
     attr_accessor *@@ATTRIBUTES
 
     class << self
Index: twitter4r/lib/twitter/client/status.rb
diff -u twitter4r/lib/twitter/client/status.rb:1.1.1.1 twitter4r/lib/twitter/client/status.rb:1.1.1.1.2.1
--- twitter4r/lib/twitter/client/status.rb:1.1.1.1	Sun Mar 15 14:57:14 2009
+++ twitter4r/lib/twitter/client/status.rb	Sun Mar 15 18:14:02 2009
@@ -27,7 +27,7 @@
   # * +:get+
   # * +:post+
   # * +:delete+
-  def status(action, value)
+  def status(action, value, reply = nil)
     raise ArgumentError, "Invalid status action: #{action}" unless @@STATUS_URIS.keys.member?(action)
     return nil unless value
   	uri = @@STATUS_URIS[action]
@@ -36,7 +36,9 @@
     when :get
     	response = http_connect {|conn|	create_http_get_request(uri, :id => value.to_i) }
     when :post
-    	response = http_connect({:status => value, :source => @@config.source}.to_http_str) {|conn| create_http_post_request(uri) }
+        args = {:status => value, :source => @@config.source}
+	args[:in_reply_to_status_id] = reply.to_i if reply
+    	response = http_connect(args.to_http_str) {|conn| create_http_post_request(uri) }
     when :delete
     	response = http_connect {|conn| create_http_delete_request(uri, :id => value.to_i) }
     end