Many changes across the entire document, commenting out some material
and editing other material, in order to make an internal draft version
for sharing with OSI.

KDE presents this as a series of png files on their site, which is less
convenient that assembling that into a PDF.  But we don't have
permission to distribute an assembled PDF, so instead we have a script
that lets a user take the png files and make their own PDF.

As per conversation with Alex Scammon.