> I'm not sure I understand. I can open a PDF file generated
> by the DocBook XSL stylesheets in Adobe Acrobat Standard 7,
> attach comments, and save the file. The original PDF file
> was created by any of the XSL-FO processors, including FOP
> 0.20.5. Perhaps Acrobat inserts the digital signature when
> it adds the comments, but the file doesn't have to be created
> by Adobe Acrobat.
If you're using Adobe Acrobat, you have special powers. I don't believe
Adobe Reader can do it.
Peter Desjardins
SupplyScape Corporation
http://www.supplyscape.com