Alternatie proposal for digital signatures

[Bob Denny]

Roy:
> May I ask if you could build the report like an IVOA Note (see examples 
> in [1]) and submit it that way? It means either HTML or a Word document 
> with the recommended styling [2]. This makes your contribution much more 
> visible.

OK, I had some time while doing lengthy regression tests and I was able to write
an update in IVOA HTML format and upload it. I found some errors in the
original/draft PDF in the process. I gave this one a very thorough going over.
Thanks again for your encouragement.

  -- Bob