Added comments to all class headers. Comments to individual methods will

be added as needed.

source/org/thdl/tib/scanner/Link.java

@@ -19,6 +19,14 @@ Contributor(s): ______________________________________.
 package org.thdl.tib.scanner;
 import java.io.*;
 
+/** Used by {@link LinkedList} to provide the implementation of a
+    simple dynamic link list.
+
+    @author Andrés Montano Pellegrini
+    @see LinkedList
+    @see ListIterator
+*/
+
 class Link
 {
 	private Object obj;