PDF/a and filters

  • Asger Askov Blekinge

    The pdf/a module lists "ASCIIHexDecode", "ASCII85Decode", "LZWDecode" as excluded filters.

    The ISO pdf/a spec only mentions LZWDecode as excluded. And the 1.4 pdf specification makes no special mention of the ASCII filters as excluded. How did you arrive at this decision, then?


    • Gary McGath

      Gary McGath - 2008-04-28

      This may be one of those differences between the draft definition of PDF/A which I worked on and the final definition. I really need to grab a block of time and do some work on PDF/A.

      And no one's even touched PDF 1.7 yet.


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