[rfc-i] I-D Action: draft-iab-rfc-use-of-pdf-00.txt

Leonard Rosenthol lrosenth at adobe.com
Wed Jan 27 14:40:53 PST 2016

Andy, your understanding is incorrect.

PDF/A-3u is all about search ability – the ‘u’ for Unicode, meaning that all characters/glyphs in the PDF have a Unicode representation.

PDF/A-3a is about accessibility.  It builds on 3u but adds a variety of requirements for accessibility such as alt text for images, etc.


From: rfc-interest <rfc-interest-bounces at rfc-editor.org<mailto:rfc-interest-bounces at rfc-editor.org>> on behalf of "Andrew G. Malis" <agmalis at gmail.com<mailto:agmalis at gmail.com>>
Date: Wednesday, January 27, 2016 at 4:46 PM
To: "draft-iab-rfc-use-of-pdf at ietf.org<mailto:draft-iab-rfc-use-of-pdf at ietf.org>" <draft-iab-rfc-use-of-pdf at ietf.org<mailto:draft-iab-rfc-use-of-pdf at ietf.org>>
Cc: "rfc-interest at rfc-editor.org<mailto:rfc-interest at rfc-editor.org>" <rfc-interest at rfc-editor.org<mailto:rfc-interest at rfc-editor.org>>
Subject: Re: [rfc-i] I-D Action: draft-iab-rfc-use-of-pdf-00.txt

I just read the draft and while PDF is admittedly not my primary area of expertise, I was curious why you chose PDF/A-3u rather than PDF/A-3a.  My limited understanding is that PDF/A-3a requires searchability, while PDF/A-3u doesn’t. If my understanding is incorrect, please correct me.


On Wed, Jan 27, 2016 at 10:34 AM, <internet-drafts at ietf.org<mailto:internet-drafts at ietf.org>> wrote:

A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the Internet Architecture Board Working Group of the IETF.

        Title           : PDF for an RFC Series Output Document Format
        Authors         : Tony Hansen
                          Larry Masinter
                          Matthew Hardy
        Filename        : draft-iab-rfc-use-of-pdf-00.txt
        Pages           : 19
        Date            : 2016-01-25

   This document discusses options and requirements for the PDF
   rendering of RFCs in the RFC Series, as outlined in RFC 6949.  It
   also discusses the use of PDF for Internet-Drafts, and available or
   needed software tools for producing and working with PDF.

The IETF datatracker status page for this draft is:

There's also a htmlized version available at:

Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org<http://tools.ietf.org>.

Internet-Drafts are also available by anonymous FTP at:

I-D-Announce mailing list
I-D-Announce at ietf.org<mailto:I-D-Announce at ietf.org>
Internet-Draft<https://www.ietf.org/mailman/listinfo/i-d-announceInternet-Draft> directories: http://www.ietf.org/shadow.html
or ftp://ftp.ietf.org/ietf/1shadow-sites.txt

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