Portable Document Format: Forskelle mellem versioner

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Et link per dokument må være nok. ;-)
Adobe Acrobat Capture 3 er skrottet, linket viste kun til side med info herom.
Linje 23:
* [http://partners.adobe.com/public/developer/pdf/index_reference.html PDF Reference Book] - official reference to the PDF file format from Adobe, also available as a book describing PDF 1.6 (ISBN 0-321-30474-8) .
* [http://www.pdf-tools.com/public/downloads/whitepapers/whitepaper-pdfprimer.pdf White Paper: PDF Primer] — A white paper from PDF Tools AG with an introduction into what PDF is and its strengths and weaknesses.
* [http://www.adobe.com/products/acrcapture/pdfs/aacflavors.pdf Adobe Publication: The Four Flavors of Adobe PDF for Paper-based Documents] — details of the four possible formats generated by Adobe Acrobat Capture 3.0. ''The title is misleading as it does not describe four different formats of PDF, but rather four different options for PDF creation in one program. The link may be worthy of note because this informal guide has led to the widespread myth that there are, in fact, four (and the only four) different types of PDF file.''
* [http://www.adobe.com/print/features/psvspdf/main.html Adobe: PostScript vs. PDF]
* [http://www.prepressure.com/pdf/history/history01.htm History of PDF at prepressure.com]