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How do we gain insight into how users’ views of documents are shifting? Google Trends is an increasingly interesting source of high-level marketplace data. By aggregating Google’s search data over time, reporting a term’s popularity as compared with all other searches.

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The PDF Techniques Accessibility Summit’s objective is to establish a broad-based understanding of how PDF files should be tagged for accessibilty. It’s an opportunity to focus on establishing a common set of examples of accessible PDF content, and identify best-practice when tagging difficult cases.

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The typical adoption curve for PDF technologies until approximately 2007 tended to track with that of the original PDF developer. Since then the marketplace has shifted; it’s no longer clear that Adobe drivesPDF feature support worldwide. Accordingly, we are happy to report that adoption of PDF 2.0 continues apace, with new vendors announcing their support every month.

Tagged PDF 2.0

Yulian Gaponenko, software engineer at Dual Lab, and Roman Toda, CTO at Normex, will be hosting a presentation titled “Tagged PDF 2.0” at the PDF Days Europe 2018.


Yulian is a software engineer at Dual Lab, a member of PDF Association. He is involved in a variety of PDF-processing areas, ranging from the low level PDF inner structure handling to content pagination and layouting algorithms, conversion of HTML to PDF and producing tagged PDFs. Among these things he has worked on recently is the support of new features introduced in the ISO 32000-2 standard and specifically the changes and extensions for Tagged PDF.

Roman is pdf expert, software architect and developer with more than 20 years of experiences with digital document products, solutions, SDKs. He made his first plug in for Adobe Acrobat in 1997 and from then he’s been actively helping with the adoption and development of PDF format. He is also CTO and co-founder of Normex, company that partners and works with industry leaders.

Session Description:
PDF 2.0 specification introduced new features and clarifications to the document logical structure and tagged PDF documents. This talk is aimed to show what PDF 2.0 brings into play in the context of format interchange and repurposing, demonstrate examples of tagged PDF documents with new features and elaborate on how common formats (like HTML, OpenOffice, MS Office etc) conversion to PDF will benefit from the new PDF standard.

Among the topics which will be discussed in this talk are the PDF namespaces mechanism (including such examples as application of MathML namespace and ARIA standard structure attribute owner), associated files, structure destinations and pronunciation dictionaries.

Check out the detailed programme:
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