[Greasemonkey] insert comment top html document

[Roderick McGuire]

Bill Donnelly wrote:
> I want to write a GmScript that inserts a comment at the top of each
> html document that contains the URL source address, so when the source
> is saved, the URL of the document is automatically included for reference.

It has been my impression that when you View Source or Save Source Fx 
goes out and reloads the document (maybe from cache). It would be nice 
if there was an option to reconstruct a source from a heavily altered 
DOM but this is different than what seems to currently go on.