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About the contributor
Olaf Drümmer

Olaf Drümmer is founder and managing director of callas software, a Berlin/Germany based company specializing in PDF analysis and processing, and of axaio software, developer of software extensions for Adobe Indesign and QuarkXPress. In addition he has been actively involved in the development of PDF standards within ISO since 1999.
More contributions
PDF Days Europe 2018 – schedule of sessions

Fittingly for the tenth anniversary of PDF’ becoming an ISO standard, standardization will play a significant role this year. The focus will be on recent developments, with an eye on the future. The agenda also includes PDF market analyses, next-generation PDF for mobile devices, universally accessible PDF files and the industry-supported veraPDF validator initiative.

Hotel Recommendations and Sightseeing Tips for PDF Days Europe 2018 in Berlin

You will visit the No. 1 PDF event – the PDF Days Europe 2018 in Berlin? Great! Here are some hotel recommendations and sightseeing tips near the event location (SI Hotel).

A double anniversary for PDF Days Europe 2018

Richard Cohn, Principal Scientist at Adobe, one of the two co-authors of the original PDF specification in the era of Acrobat 1.0 gives the keynote on 25 years of PDF during the PDF Europe 2018.

PDFcontainer – a proposal

Introduction PDF technology profiles can be leveraged to provide trusted, predictable containers for record types that often present workflow and preservation challenges, with email and case files (associated files in arbitrary formats) as primary use- …

PDF Day: a breakthrough in Washington DC

Over 260 attendees from 40+ federal and state agencies The latest PDF Day event was held on January 29th at the National Archives Building in Washington DC. With a record-breaking number of attendees, the event was a resounding success. PDF is a broadl …

WCAG 2.0 joins PDF/UA as an ISO standard


With Monday’s publication of W3C’s Web Content Accessibility Guidelines (WCAG 2.0) as ISO/IEC 40500, ISO standards now provide accessibility requirements for a large fraction of the world’s electronic content.

While ISO 14289 (PDF/UA) governs the creation and use of accessible PDF documents and forms, ISO/IEC 40500 (WCAG 2.0) provides normative principles, guidelines and success criteria for accessible web content. WCAG 2.0 is fundamentally rooted in traditional web technologies such as HTML, CSS and JavaScript, but the standard also provides much-needed guidance for multimedia, graphic design and other considerations.

Organizations that implement both WCAG 2.0 and PDF/UA will be able to meet the highest standards for ensuring both web-based and PDF content is accessible to users with disabilities.

Chairman of the PDF Association Olaf Drümmer said: “The PDF Association welcomes the addition of WCAG 2.0 to the expanding list of ISO standards addressing accessibility in electronic content.  Coupled with PDF/UA, which was published in August of 2012, it’s now possible to use ISO standards to meet the needs of organizations for a standardized approach to accessibility across a wide range of content.”


Tags: PDF/UA, WCAG, acccessible PDF, accessible, accessible conent
Categories: PDF/UA