diff --git a/ChangeLog b/ChangeLog
index 0a0f48bd..777fef85 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2008-05-07  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	const SharedHandle<Request> -> const SharedHandle<Request>&
+	* src/FtpDowndloadCommand.cc
+	* src/FtpDowndloadCommand.h
+	* src/HttpDownloadCommand.cc
+	* src/HttpDownloadCommand.h
+
+2008-05-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	Enabled --enable-http-keep-alive by default.
+	* src/option_processing.cc
+
 2008-05-05  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
 
 	Fixed the bug that the control file(.aria2 file) is not renamed
diff --git a/src/FtpDownloadCommand.cc b/src/FtpDownloadCommand.cc
index 392cdc46..87b78f02 100644
--- a/src/FtpDownloadCommand.cc
+++ b/src/FtpDownloadCommand.cc
@@ -39,7 +39,7 @@
 namespace aria2 {
 
 FtpDownloadCommand::FtpDownloadCommand(int cuid,
-				       const RequestHandle req,
+				       const RequestHandle& req,
 				       RequestGroup* requestGroup,
 				       DownloadEngine* e,
 				       const SocketHandle& dataSocket,
diff --git a/src/FtpDownloadCommand.h b/src/FtpDownloadCommand.h
index db3e3314..3d257d9a 100644
--- a/src/FtpDownloadCommand.h
+++ b/src/FtpDownloadCommand.h
@@ -46,7 +46,7 @@ private:
   SharedHandle<SocketCore> ctrlSocket;
 public:
   FtpDownloadCommand(int cuid,
-		     const SharedHandle<Request> req,
+		     const SharedHandle<Request>& req,
 		     RequestGroup* requestGroup,
 		     DownloadEngine* e,
 		     const SharedHandle<SocketCore>& dataSocket,
diff --git a/src/HttpDownloadCommand.cc b/src/HttpDownloadCommand.cc
index 13fcfffc..4f4cba9d 100644
--- a/src/HttpDownloadCommand.cc
+++ b/src/HttpDownloadCommand.cc
@@ -47,7 +47,7 @@
 namespace aria2 {
 
 HttpDownloadCommand::HttpDownloadCommand(int cuid,
-					 const RequestHandle req,
+					 const RequestHandle& req,
 					 RequestGroup* requestGroup,
 					 const HttpConnectionHandle& httpConnection,
 					 DownloadEngine* e,
diff --git a/src/HttpDownloadCommand.h b/src/HttpDownloadCommand.h
index 2e722f70..b6b59cd6 100644
--- a/src/HttpDownloadCommand.h
+++ b/src/HttpDownloadCommand.h
@@ -49,7 +49,7 @@ protected:
   virtual bool prepareForNextSegment();
 public:
   HttpDownloadCommand(int cuid,
-		      const SharedHandle<Request> req,
+		      const SharedHandle<Request>& req,
 		      RequestGroup* requestGroup,
 		      const SharedHandle<HttpConnection>& httpConnection,
 		      DownloadEngine* e,