[tex-live] interactiveplot
Bob Tennent
rdt at cs.queensu.ca
Thu Nov 27 21:38:02 CET 2014
I'll just add two extracts from Wikipedia pages:
GNUpdf is a GNU project that aims to completely implement
the specifications of the Portable Document Format
standards as a free software library. On 6 October 2011,
GNU PDF was removed from the Free Software Foundation's
list of "high priority projects" due to the maturation of
the Poppler library.
There are still some technologies referenced by ISO
32000-1 that can be incorporated into valid PDF files
that remain proprietary (but still publicly documented),
such as Adobe XML Forms Architecture, and JavaScript for
Acrobat. The ISO committee is actively standardizing many
of these as part of ISO 32000-2
Bob T.
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