On Tue, 01 May 2007 23:22:30 PDT, you wrote: >Is the PDF spec (including optional stuff like digital signatures, embedded >multimedia, DRM, etc) fully open and free to use, or is it somehow encumbered? > If the former, they've got to compete on better tools or >better availability or better support; if the latter, they've got some element >of lock-in and may not care.
http://www.adobe.com/go/developer_legalnotices explains Adobe's position regarding the PDF spec.
