--- loncom/interface/filetypes.tab	2001/08/18 16:07:07	1.8
+++ loncom/interface/filetypes.tab	2001/11/30 14:29:26	1.11
@@ -12,6 +12,7 @@ page		ssi	Page Material Document
 sequence	rat	Sequence of Page Materials
 gif		img	GIF Image Document
 ps		ssi	Postscript Document
+png		img	PNG Image Document
 jpg		img	JPEG Image Document
 eps		ssi	Encapsulated Postscript Document
 jpeg		img	JPEG Image Document
@@ -26,3 +27,8 @@ meta            ssi     Metadata Catalog
 zip             ign     Archive File
 class           ign     Java Class File
 cab             ign     Java Cab File
+jar		ign	Java Jar File
+save		hdn	Hidden Save File
+meta		hdn	Hidden Meta File
+log		hdn	Hidden Log File
+bak             hdn     Hidden Backup File