Pdf 2.0 Adobe

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Pdf 2.0 Adobe

The ISO specification for PDF 2.0 is now out. It’s known as ISO 32000-2. As usual for ISO, it costs an insane 198 Swiss francs, which is roughly the same amount in dollars. In the past, Adobe has made PDF specifications available for free on its own site, but I can’t find it on adobe.com. Its PDF reference page still covers only PDF 1.7.

Adobe claims that its Adobe Acrobat Reader DC is not just a PDF reader, but the free global standard by which all products of this type are measured. Its functions of this tool are to view PDF documents, print PDFs, sign documents with e-signature, comment on PDF files and share the content with other devices.

Aug 08, 2017 PDF 2.0 adds support for “PRC”, a rich 3D modeling language, originally developed by Adobe. In addition, PDF 2.0 will enable new tools for users to view, measure, and annotate rich media content. Adobe’s blog describes some of the features of PDF 2.0. They include more sensible and stronger encryption, enhanced tagging, and improved color management. The PDF 1.7 spec wasn’t a very close match to the standard as Adobe practiced it. If you’ve worked with JHOVE, you know its PDF module has been riddled with bugs. Oct 29, 2019 A selection of summaries of PDF 2.0 from vendors of tools for creating, manipulating, or rendering PDF files. Several of these vendors were active in the development of the PDF 2.0 standard. PDF 2.0 from PDFlib Knowledgebase (https://www.pdflib.com/pdf-knowledge-base/pdf-20/). The initial edition of PDF 2.0 was the culmination of nine years of work by a dedicated group of approximately 30 subject-matter experts from around the world. PDF 2.0 is a refinement, not a replacement, of the venerable PDF format, originally published and made freely available by Adobe Systems since 1993.

ISO has to pay its bills somehow, but it’s not good if the standard is priced so high that only specialists can afford it. I don’t intend to spend $200 to be able to update JHOVE without pay. With some digging, I’ve found it in an incomplete, eyes-only format. All I can view is the table of contents. There are links to all sections, but they don’t work. I’m not sure whether it’s broken on my browser or by intention. In any case, it’s a big step backward as an open standard. I hope Adobe will eventually put the spec on its website.

Adobe’s blog describes some of the features of PDF 2.0. They include more sensible and stronger encryption, enhanced tagging, and improved color management.

The PDF 1.7 spec wasn’t a very close match to the standard as Adobe practiced it. If you’ve worked with JHOVE, you know its PDF module has been riddled with bugs. I don’t want to shake off blame for software bugs, but in many cases it just wasn’t clear what data types are permitted. The philosophy of JHOVE has been to follow the written spec strictly, and it doesn’t behave well when files use the “wrong” data types. It may report that the file isn’t well-formed, or it may throw an exception. Reports indicate that PDF 2.0’s specification cleans many of these issues up. This directly matters only to a handful of developers, but it makes it easier to create PDF-compliant software when the spec matches the files which Adobe considers valid.

Pdf

The PDF Association reports:

PDF is complex, and extremely flexible at a very low level. Most of the work that’s gone into the document is to clarify and correct the existing text. PDF 2.0 resolves many longstanding ambiguities, updates to external references and generally provides a tighter set of rules to enhance and ease interoperability.

Pdf 2.0 Adobe

As a result, all those who read it and express their view say the same thing: the text of PDF 2.0 is significantly clearer and more consistent in terms of describing the various features, requirements and considerations in PDF technology. Once PDF 2.0 is published it’s reasonable to predict an immediate benefit in terms of training developers to write PDF software, add support for PDF features, and more.

Pdf 2.0 Adobe Download

A better spec — if you can afford it.

The PDF Association has made example files available. Version 2.0 is mostly, but not entirely, compatible with 1.x. There’s discussion on Stack Overflow. UTF-8 text will be a serious compatibility issue.

Pdf 2.0 Adobe Software

It’s likely that many PDF readers will see the new major revision in the version number and assume they can’t handle it. This includes JHOVE. There will be a lot of software to update.