--- loncom/interface/filetypes.tab	2007/11/08 22:24:32	1.32
+++ loncom/interface/filetypes.tab	2008/01/15 17:17:42	1.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # file extension description file
 #
-# $Id: filetypes.tab,v 1.32 2007/11/08 22:24:32 albertel Exp $
+# $Id: filetypes.tab,v 1.33 2008/01/15 17:17:42 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3259,6 +3259,7 @@ wmv		emb	video/wmv
 mp1             unk     audio/mpeg                       MPEG Audio Stream, Layer I
 mp2             unk     video/mpeg                       MPEG Stream, Layer II
 mp3             unk     audio/mpeg                       MPEG Audio Stream, Layer III 
+mp4             unk     audio/mpeg                       MPEG Video 
 mpa             unk     audio/mpeg                       MPEG Audio Stream, Layer I, II or III
 mpg             emb     video/mpeg                       MPEG Movie
 mpeg            emb     video/mpeg                       MPEG Movie