10. The method of claim 6 , wherein updating the first entry in the TOC document comprises repeating the scanning of the target document to locate the first selected part of the target document in response to an update event.
10. The method of claim 6 , wherein updating the first entry in the TOC document comprises repeating the scanning of the target document to locate the first selected part of the target document in response to an update event. 11. The method of claim 10 , wherein the update event comprises opening the TOC document.