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From: Rik Kabel <context@rik.users.panix.com>
Newsgroups: gmane.comp.tex.context
Subject: PDF/A-3a attachment support query
Date: Thu, 5 Dec 2019 21:11:54 -0500
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Hello list,

The following document fails PDF/A-3a validation. It passes without the 
attachment.

    \setuplanguage       [en]
    \setuptagging        [state=start]
    \setupinteraction    [state=start]
    \setupbackend        [format={pdf/a-3a},profile={default_gray.icc},
                           intent={ISO coated v2 300\letterpercent\space
    (ECI)}]
    \setupstructure      [state=start,method=auto]
    \setupcolors         [pagecolormodel=auto,start=yes,rgb=no,cmyk=no]
    \setupbodyfont       [Palatino,10pt]
    \starttext

       Attaching a plain text file.

    % \attachment        [file=test.tex,
    %                     type={text/plain;charset=UTF-8}]
    % The \ConTeXt\ source code for this document is attached here.
       \attachment        [file=testa.pdf,
                           type={application/pdf}]
       A successfully validated pdf/a-3a file is attached here.

    \stoptext

pdf-online <https://www.pdf-online.com/osa/validate.aspx>reports:

    Validating file "test.pdf" for conformance level pdfa-3a
    The key F is required but missing.
    The appearance dictionary doesn't contain an entry.
    File specification 'testa.pdf' not associated with an object.
    The document does not conform to the requested standard.
    The document doesn't conform to the PDF reference (missing required
    entries, wrong value types, etc.).
    The document contains hidden, invisible, non-viewable or
    non-printable annotations.
    The document contains annotations or form fields with ambigous or
    without appropriate appearances.
    The document does not conform to the PDF/A-3a standard.
    Done.

My understanding is that 3-a should support both pdf and non-pdf 
attachments. This fails in a similar manner with both pdf/a-3a-validated 
files and with plain text files. I also tested with verapdf, and it also 
rejected the document with an attachment.

Is this my error, or is it not yet supported?

-- 
Rik Kabel



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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hello list,</p>
    <p>The following document fails PDF/A-3a validation. It passes
      without the attachment.</p>
    <blockquote><tt>\setuplanguage       [en]</tt><tt><br>
      </tt><tt>\setuptagging        [state=start]</tt><tt><br>
      </tt><tt>\setupinteraction    [state=start]</tt><tt><br>
      </tt><tt>\setupbackend        [format={pdf/a-3a},</tt><tt>profile={default_gray.icc},</tt><tt><br>
      </tt><tt>                      intent={ISO coated v2
        300\letterpercent\space (ECI)}]</tt><tt><br>
      </tt><tt>\setupstructure      [state=start,</tt><tt>method=auto]</tt><tt><br>
      </tt><tt>\setupcolors         [pagecolormodel=auto,</tt><tt>start=yes,</tt><tt>rgb=no,</tt><tt>cmyk=no]</tt><tt><br>
      </tt><tt>\setupbodyfont       [Palatino,10pt]</tt><tt><br>
      </tt><tt>\starttext</tt><tt><br>
      </tt><tt><br>
      </tt><tt>  Attaching a plain text file.</tt><tt><br>
      </tt><tt><br>
      </tt><tt>% \attachment        [file=test.tex,</tt><tt><br>
      </tt><tt>%                     type={text/plain;charset=UTF-8}]</tt><tt><br>
      </tt><tt>% The \ConTeXt\ source code for this document is attached
        here.</tt><tt><br>
      </tt><tt>  \attachment        [file=testa.pdf,</tt><tt><br>
      </tt><tt>                      type={application/pdf}]</tt><tt><br>
      </tt><tt>  A successfully validated pdf/a-3a file is attached
        here.</tt><tt><br>
      </tt><tt><br>
      </tt><tt>\stoptext</tt><br>
      <br>
    </blockquote>
    <p><a moz-do-not-send="true"
        href="https://www.pdf-online.com/osa/validate.aspx">pdf-online </a>reports:</p>
    <blockquote>
      <div id="Details" style="height: 300px; overflow: hidden scroll;
        width: 774px;"><tt>Validating file "test.pdf" for conformance
          level pdfa-3a</tt><tt><br>
        </tt><tt>The key F is required but missing.</tt><tt><br>
        </tt><tt>The appearance dictionary doesn't contain an entry.</tt><tt><br>
        </tt><tt>File specification 'testa.pdf' not associated with an
          object.</tt><tt><br>
        </tt><tt>The document does not conform to the requested
          standard.</tt><tt><br>
        </tt><tt>The document doesn't conform to the PDF reference
          (missing required entries, wrong value types, etc.).</tt><tt><br>
        </tt><tt>The document contains hidden, invisible, non-viewable
          or non-printable annotations.</tt><tt><br>
        </tt><tt>The document contains annotations or form fields with
          ambigous or without appropriate appearances.</tt><tt><br>
        </tt><tt>The document does not conform to the PDF/A-3a standard.</tt><tt><br>
        </tt><tt>Done.</tt></div>
    </blockquote>
    <div id="Details" style="height: 300px; overflow: hidden scroll;
      width: 774px;">
      <p>My understanding is that 3-a should support both pdf and
        non-pdf attachments. This fails in a similar manner with both
        pdf/a-3a-validated files and with plain text files. I also
        tested with verapdf, and it also rejected the document with an
        attachment.<br>
      </p>
      <p>Is this my error, or is it not yet supported?</p>
      <p>-- <br>
        Rik Kabel<br>
      </p>
    </div>
    <div id="Details" style="height: 300px; overflow: hidden scroll;
      width: 774px;">
      <p class="valdetail" style="padding-left:0px"><br>
      </p>
    </div>
  </body>
</html>

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