java.awt.swing.tree.DefaultMutableTreeNode spec needs to be corrected:
1. hyperlink from field allowsChildren points at method allowsChildren()
   and vise versa. -- fixed
2. Wrong name of required parameter in comments for add() method --fixed
3. Short descriptions of methods
getDepth(), getLevel(), isNodeAncestor()
getFirstLeaf(), isNodeSibling(), isNodeDescendant()
   end with "i.e." -- fixed. thanks for catching it
4. Not clear description of methods getNextLeaf() and getPreviosLeaf()
   --extensive commentary added. should now be clear.
5. There is no comment for getPathToRoot()
   --fixed (note: this should really be named getPathFROMroot().
6. Misspelling ("iff" instead of "if")
   --fixed