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The PDF Association celebrates its members’ public statements
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for ISO-standardized PDF technology.

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PDF/A and external references

November 2025 by Peter Wyatt

PDF/A ensures reliable long-term rendering by embedding fonts, images, and color profiles, but URLs can still appear in text, hyperlinks, bookmarks, annotations, metadata, and embedded files.

Link annotations and URI Actions define clickable destinations, but PDF/A restricts certain action types to prevent external dependencies.

Guided by clear policies, comprehensive audits of both visible and hidden references help maintain authenticity, accessibility, and long-term integrity of PDF/A documents and digital collections.

PDF/A ensures reliable long-term rendering by embedding fonts, images, and color profiles, but URLs can still appear in text, hyperlinks, bookmarks, annotations, metadata, and embedded files.

Link annotations and URI Actions define clickable destinations, but PDF/A restricts certain action types to prevent external dependencies.

Guided by clear policies, comprehensive audits of both visible and hidden references help maintain authenticity, accessibility, and long-term integrity of PDF/A documents and digital collections.

Corel’s latest Technical Suite boasts PDF/A, 3D PDF support

March 2015 by Duff Johnson
News


The X7 Technical Suite has been enhanced with new support for ISO standardized PDF technology.

Duff Johnson
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March 2015 by Duff Johnson
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Adobe Systems announces Acrobat DC as its replacement for Acrobat XI.

News

February 2015 by 1,200 users surveyed about document productivity views

The PDF Association teamed up with Nitro to get as many respondents as possible to a survey of knowledge workers.

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February 2015 by Duff Johnson
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PDF/UA is featured in the US Access Board’s 2015 Notice of Public Rule Making for the Section 508 refresh.

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February 2015 by Olaf Drümmer
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Karen McCall will be speaking at this year’s CSUN conference about “The Implementation of PDF/UA and Standardized Access to PDF … Read more

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February 2015 by Thomas Zellmann
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Apache PDFBox becomes a Partner Organization of the PDF Association.

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January 2015 by Duff Johnson
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The Open Preservation Foundation and the PDF Association have signed an agreement to formally recognize their on-going collaborative partnership.

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January 2015 by Matthias Wagner
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Electronic invoices: New uniform data format ZUGFeRD saves money and helps SMEs

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January 2015 by Duff Johnson
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A just-published report from the Australian government finds that PDF as a file-format is accessible but that PDF as supported … Read more

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December 2014 by Duff Johnson
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The 2nd edition of PDF/UA is a minor revision, but what’s more exciting is that it conforms to PDF/UA!. Developers … Read more

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December 2014 by Duff Johnson
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An overwhelming majority say that they learned readily applicable information, both from the sessions and one-on-one discussions.

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