--- loncom/interface/filetypes.tab	2001/12/05 14:50:56	1.14
+++ loncom/interface/filetypes.tab	2002/01/30 15:42:55	1.15
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # file extension description file
 #
-# $Id: filetypes.tab,v 1.14 2001/12/05 14:50:56 matthew Exp $
+# $Id: filetypes.tab,v 1.15 2002/01/30 15:42:55 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1962,7 +1962,7 @@ pcx             unk     PC Paintbrush Bi
 pda             unk     Bitmap Graphic
 pdb             unk     Protein Data Base file
 pdd             unk     Adobe PhotoDeluxe Image
-pdf             unk     Printer Description
+pdf             ign     Printer Description
 pdg             unk     PrintShop Deluxe File
 pdi             unk     MS Powerpoint File
 pdl             unk     Borland C++ Project Description Language
@@ -3235,7 +3235,7 @@ png		img	PNG Image Document
 jpg		img	JPEG Image Document
 eps		ssi	Encapsulated Postscript Document
 jpeg		img	JPEG Image Document
-pdf		ssi	Portable Data Format Document
+pdf		ign	Portable Data Format Document
 tex		ssi	TeX Document
 txt		ssi	Text (Plain) Document
 text		ssi	Text (Plain) Document