Index: lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java,v
diff -u -r1.36 -r1.37
--- lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	5 Sep 2006 00:06:34 -0000	1.36
+++ lams_tool_larsrc/src/java/org/lamsfoundation/lams/tool/rsrc/web/action/AuthoringAction.java	5 Sep 2006 05:25:30 -0000	1.37
@@ -509,6 +509,7 @@
 		
 		//**********************************Handle Authoring Instruction Attachement *********************
     	//merge attachment info
+		//so far, attPOSet will be empty if content is existed. because PropertyUtils.copyProperties() is executed
 		Set attPOSet = resourcePO.getAttachments();
 		if(attPOSet == null)
 			attPOSet = new HashSet();
@@ -561,7 +562,7 @@
     		}
     	}
     	resourcePO.setResourceItems(itemList);
-    	//delete them from database.
+    	//delete instructino file from database.
     	List delResourceItemList = getDeletedResourceItemList(sessionMap);
     	iter = delResourceItemList.iterator();
     	while(iter.hasNext()){