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Digital Publishing Interest Group

The mission of the Digital Publishing Interest Group is to provide a technical forum for experts in the digital publishing ecosystem to hold discussions and recommend solutions regarding a future vision of Digital Publishing. The main message of that vision is that the current format- and workflow-level separation between offline/portable and online document publishing should be diminished to zero. The Interest Group will provide technical direction, identify technical issues, and outline prototype solutions for relevant Working Groups of the W3C to finalize as Web standards. This group is not chartered to publish Recommendations; instead, the goal is to cooperate with the relevant W3C Working Groups to ensure that the requirements of this particular community are met.


Published documents and drafts

Documents being still worked on

These documents may have a stable version on the W3C TR site, but the group is still working on them, ie, the Editor's Draft represent the latest version.

  • Portable Web Publications for the Open Web Platform
Latest, published version
Editor's draft
GitHub Repository
Issue tracker
  • Requirements for Latin Text Layout and Pagination
Latest, published version
Editor's draft
GitHub Repository
Issue tracker
  • Priorities for CSS from the Digital Publishing Interest Group
Latest, published version
Editor's draft
GitHub Repository
Issue tracker
  • Digital Publishing WAI-ARIA Module 1.0
Latest, published version
Editor's draft
Issue tracker

Stable documents

Currently active discussionpages

List of current DIGPUB IG Task Forces

Current Goals Publications Leader(s) Repository Resources, Use Cases
Layout & Styling Expand coverage of latinreq; document spreads and bleeds, find material on STEM and higher-ed publications; looking at issues around pagination "Requirements for Latin Text Layout and Pagination" Dave Cramer github repository, github paged view, TF wiki, TF wiki, Styling Use Cases 1., I18N Use Cases 2., Pagination Use Cases
Content & Markup Review existing lists of structural vocabulary terms. Provide selected terms to PF for inclusion as digital publishing module of ARIA. Tzviya Siegman github repository, github paged view, TF wiki, Use Cases
Accessibility Review UAAG, EPUB 3 a11y features/guidelines (particularly media overlays, CSS Speech, Braille, and SVG) Deborah Kaplan, Charles LaPierre github repository, github paged view, TF wiki, Use Cases
STEM Review STEM-specific requirements, usage, deployments, etc, of W3C standards (HTML, MathML etc), web technology, markup and data formats. In particular, undertake kick-off interviews with specialists followed by a wider survey among practitioners, and summarize results in a report and the use cases. Peter Krautzberger github repository, github paged view, TF wiki, Use Cases
(PWP) Locators Establish principles and mechanism locators in the context of Portable Web Publications. Ben De Meester TF wiki
Archival (To be defined in more details.) Tim Cole TF wiki

Closed task forces

Current Goals Publications Leader(s) Repository Resources, Use Cases
Annotation Collect community feedback, then produce updated version; feed the results to the general Annotation work at W3C "Annotation Use Cases" Robert Sanderson github repository, github paged view, TF Wiki, Use Cases
Metadata Set up two committees of volunteers, one to research current informational resources available from the W3C and elsewhere regarding RDF, and the other to research identifiers that are or should be expressed as URIs and consult with their governing organizations to see what instructions or guidance they are providing and what level of URI usage they are currently experiencing. Also, finalize report in GitHub and turn it into a W3C Note by December 20. Task force report Bill Kasdorf, Madi Solomon github repository, github paged view, TF wiki, Use Cases
Identifiers Explore the technical challenges and requirements on identifiers with reference to EPUB-WEB Bill Kasdorf github repository, github paged view, TF wiki, Use Cases

Other task forces considered by the group

These task forces are currently not existing or active; they may be subject of future work.

Group(s) of Use Cases
Security Use Cases
Packaging and Distribution

Other document for the DPUB industry

F2F Meetings

Important Resources on this Wiki


  • October 2015: face-to-face meeting, in conjunction with the W3C TPAC week in 2015 in Sapporo, Japan.

W3C Group Resources

Communications Planning

DRAFT PUBLIC MESSAGING: Portable Web Publications

The World Wide Web Consortium’s Digital Publishing Interest Group (DPUB IG) has now published a draft document [@@fpwd] regarding a shared industry vision for advancing the capability to have portable web publications – a web-friendly publication format – for all kinds of web content. This is an important milestone for the future of the publishing industry and W3C invites public comments about this work via the DPUB mailing list @@.

Why is this a milestone? Users of all media have come to expect a seamless transition from one medium to the next, and that has born the DPUB vision [@@link to DPUB vision] for Portable Web Publications for the Open Web Platform [@@link]. The document outlines plans for publications that are part of the web - and not an afterthought. It considers the many outputs that publishers face: online, print, portable and archived formats.

How does the Portable Web Publications vision differ from EPUB? Recently, the IDPF began work on the first major revision of EPUB 3. Among the many goals of that vision is a greater alignment with the Open Web Platform, embracing the goals of this vision.

EPUB is the digital file format used by a large part of the publishing industry. The contents of an EPUB package are fundamentally part of the Open Web Platform: (X)HTML, CSS, images, and other media. Because of this, EPUB is often described as a "website in a box."

What has separated EPUB from the web was it's packaging mechanism, accessibility requirements, and navigational mechanisms. The International Digital Publishing Forum (IDPF) - the creators of the EPUB specification - have been one of the biggest consumers and users of W3C specs.

Historically the W3C has focused on the Web, which excluded some of the more traditional business like publishing. As those industries have begun to embrace the Web, web standards have begun to embrace those industries.

For this reason, the W3C formed the Digital Publishing Interest Group three years ago and has been working collaboratively with the IDPF and other industry consortia such as BISG. As part of this collaboration, the W3C’s DPUB group has been working toward a web-friendly publication format. The W3C and IDPF look forward to an active dialogue with the publishing industry and other content providers on this first public working draft document for Portable Web Publications. After this comment period, the next step will be @@.


Email the chairs and staff contact at

  • Markus Gylling, IDPF and the Daisy Consortium, Co-Chair
  • Tzviya Siegman, Wiley, Co-Chair
  • Ivan Herman, W3C, Staff Contact