Added fifth message for testing empty MIME parts.

@@ -189,3 +189,29 @@ IGtpY2sgeW91IGRvd24gc3RhaXJzIScK
 
 
 ------- =_aaaaaaaaaa0--
 ------- =_aaaaaaaaaa0--
 
 
+From gray@Mirddin.farlep.net Sat Jul 13 00:43:18 2002
+Organization: Mailutils-tests
+Received: from Mirddin.farlep.net (localhost [127.0.0.1]) 
+	by Mirddin.farlep.net with ESMTP id g6CLhIb05086
+	for <gray@mirddin.farlep.net>; Sat, 13 Jul 2002 00:43:18 +0300
+Message-Id: <200207122143.g6CLhIb05086@Mirddin.farlep.net>
+To: Foo Bar <foobar@nonexistent.net>
+Subject: Empty MIME Parts
+MIME-Version: 1.0
+Content-Type: multipart/mixed; boundary="----- =_aaaaaaaaaa0"
+Content-ID: <5082.1026510189.0@Mirddin.farlep.net>
+Date: Sat, 13 Jul 2002 00:43:18 +0300
+From: Sergey Poznyakoff <gray@Mirddin.farlep.net>
+
+------- =_aaaaaaaaaa0
+Content-Type: text/plain; name="empty"; charset="us-ascii"
+Content-ID: <5082.1026510189.1@Mirddin.farlep.net>
+Content-Description: Empty part
+
+------- =_aaaaaaaaaa0
+Content-Type: text/plain; name="single.line"; charset="us-ascii"
+Content-ID: <5082.1026510189.2@Mirddin.farlep.net>
+Content-Description: Single line part
+
+
+------- =_aaaaaaaaaa0--