--- loncom/interface/filetypes.tab	2006/05/12 02:17:50	1.29
+++ 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 1.29 2006/05/12 02:17:50 www Exp $
+# $Id: filetypes.tab,v 1.33 2008/01/15 17:17:42 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2971,7 +2971,6 @@ wkb             unk    unk
 wkb             unk    unk              Workbook
 wke             unk    unk              Lotus Educational Version Spreadsheet File
 wkq             unk    unk              Quattro Spreadsheet
-wks             unk    unk              Lotus Spreadsheet File
 wkz             unk    unk              Compressed Spreadsheet
 wld             unk    unk              REND386/AVRIL File
 wlf             unk    unk              Argo WebLoad I Upload File
@@ -3005,7 +3004,6 @@ wpf             unk    unk
 wpg             unk    unk              WordPerfect/Drawperfect Graphics
 wpk             unk    unk              Keyboard
 wpm             unk    unk              WordPerfect Macro
-wps             unk    unk              Works Text Document
 wpt             unk    unk              WordPerfect Template
 wpw             unk    unk              PerfectWorks Document
 wpx             unk    unk              Adobe printer Information File (Usually found in C:\W
@@ -3236,9 +3234,9 @@ assess		ssi	text/xml
 survey		ssi	text/xml                         Online Survey
 form		ssi	text/xml                         Online Form
 library         ssi     text/xml                         Library of Functions File
-page		ssi	text/xml                         Page Material Document
+page		ssi	text/xml                         Page of Materials
 task		ssi	text/xml                         Bridge Task Document
-sequence	rat	text/xml                         Sequence of Page Materials
+sequence	rat	text/xml                         Sequence of Materials
 tmp		hdn     text/xml                         LON-CAPA Temporary File
 gif		img	image/gif                        GIF Image Document
 ps		ign	application/postscript           Postscript Document
@@ -3261,6 +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 
@@ -3283,3 +3282,5 @@ xlt             unk     application/vnd.
 xlv             unk     application/vnd.ms-excel         Excel VBA
 xlw             unk     application/vnd.ms-excel         Excel Workspace
 ics             unk     text/calendar                    iCalendar File
+wks             unk     application/vnd.ms-works         Microsoft Works 
+wps             unk     application/vnd.ms-works         Works Text Document