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    <div class="moz-cite-prefix">On 11/22/2018 12:43, luigi scarso
      wrote:<br>
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cite="mid:CAG5iGsDp1KvEdASZuGd3g9rzQCCE3_GzYu0Ue27i_s4Etqdosg@mail.gmail.com">
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            <div dir="ltr">On Thu, Nov 22, 2018 at 12:45 AM luigi scarso
              <<a href="mailto:luigi.scarso@gmail.com"
                moz-do-not-send="true">luigi.scarso@gmail.com</a>>
              wrote:<br>
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                  <div dir="ltr">On Thu, Nov 22, 2018 at 12:38 AM Rik
                    Kabel <<a
                      href="mailto:context@rik.users.panix.com"
                      target="_blank" moz-do-not-send="true">context@rik.users.panix.com</a>>
                    wrote:<br>
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                      <p>With the latest beta, PDF/A fails validation in
                        a new way.</p>
                      <p>Using <a
                          href="https://wiki.contextgarden.net/PDF/A"
                          target="_blank" moz-do-not-send="true">the
                          example document in the wiki</a>, PDF/A-1a
                        validation fails <a
                          href="https://www.pdf-online.com/osa/validate.aspx"
                          target="_blank" moz-do-not-send="true">the
                          online validator</a> [2] with:</p>
                      <blockquote>
                        <p
                          class="gmail-m_6993629882906656304m_8636724837746306782valdetail"
                          style="padding-left:0px">The key MarkInfo is
                          required but missing.<br>
                          The key StructTreeRoot is required but
                          missing.<br>
                          The key CIDSet is required but missing.<br>
                          The document does not conform to the requested
                          standard.<br>
                          The document contains fonts without embedded
                          font programs or encoding information (CMAPs).<br>
                          The document doesn't provide appropriate
                          logical structure information.<br>
                          The document does not conform to the PDF/A-1a
                          standard.</p>
                      </blockquote>
                      <p>while with PDF/A-1b requested, the MarkInfo and
                        StructTreeRoot issues are not reported. (A-2a
                        and A-3a fail in the same was as A-1a.)<br>
                      </p>
                      <p>[1] <a
class="gmail-m_6993629882906656304m_8636724837746306782moz-txt-link-freetext"
                          href="https://wiki.contextgarden.net/PDF/A"
                          target="_blank" moz-do-not-send="true">https://wiki.contextgarden.net/PDF/A</a><br>
                      </p>
                      <p>[2] <a
class="gmail-m_6993629882906656304m_8636724837746306782moz-txt-link-freetext"
href="https://www.pdf-online.com/osa/validate.aspx" target="_blank"
                          moz-do-not-send="true">https://www.pdf-online.com/osa/validate.aspx</a></p>
                      <p><br>
                      </p>
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                  </blockquote>
                  <div><br>
                  </div>
                  <div>Thank you for the report, I will check asap.  </div>
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                <div><br>
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            <div>these look ok now </div>
          </div>
          <br clear="all">
          <div>
            <div>\nopdfcompression</div>
            <div>\setupinteraction</div>
            <div>  [title=TITLE,</div>
            <div>   subtitle=SUBTITLE,</div>
            <div>   author=AUTHOR,</div>
            <div>   keyword={{KEYWORD1, KEYWORD2}, KEYWORD3}]</div>
            <div><br>
            </div>
            <div>%% For PDF/A</div>
            <div>\setupbackend[</div>
            <div>%format={pdf/a-1b:2005}, % OK</div>
            <div>%format={pdf/a-1a:2005}, % OK</div>
            <div>%format={pdf/a-2a},      % OK </div>
            <div>format={pdf/a-3a},       % OK </div>
            <div>profile={srgb.icc,default_gray.icc},</div>
            <div>intent=ISO coated v2 300\letterpercent\space (ECI)]</div>
            <div><br>
            </div>
            <div>%% Tagged PDF</div>
            <div>%% method=auto ==> default tags by Adobe</div>
            <div>\setupbackend[export=yes]</div>
            <div>\setupstructure[state=start,method=auto]</div>
            <div><br>
            </div>
            <div>\starttext</div>
            <div><br>
            </div>
            <div>\chapter[chap:testing]{Testing}</div>
            <div><br>
            </div>
            <div>\input knuth</div>
            <div><br>
            </div>
            <div>\input tufte</div>
            <div><br>
            </div>
            <div>\input knuth</div>
            <div><br>
            </div>
            <div>\placefigure[middle][fig:foo]</div>
            <div>  {This is an image}</div>
            <div>  {\externalfigure[cow.jpg]}</div>
            <div><br>
            </div>
            <div>\input tufte</div>
            <div><br>
            </div>
            <div>\input knuth</div>
            <div><br>
            </div>
            <div>\input tufte</div>
            <div><br>
            </div>
            <div>\stoptext</div>
          </div>
          <div><br>
          </div>
          -- <br>
          <div dir="ltr" class="gmail_signature">luigi<br>
          </div>
        </div>
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      <br>
      <pre wrap="">___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : <a class="moz-txt-link-abbreviated" href="mailto:ntg-context@ntg.nl">ntg-context@ntg.nl</a> / <a class="moz-txt-link-freetext" href="http://www.ntg.nl/mailman/listinfo/ntg-context">http://www.ntg.nl/mailman/listinfo/ntg-context</a>
webpage  : <a class="moz-txt-link-freetext" href="http://www.pragma-ade.nl">http://www.pragma-ade.nl</a> / <a class="moz-txt-link-freetext" href="http://context.aanhet.net">http://context.aanhet.net</a>
archive  : <a class="moz-txt-link-freetext" href="https://bitbucket.org/phg/context-mirror/commits/">https://bitbucket.org/phg/context-mirror/commits/</a>
wiki     : <a class="moz-txt-link-freetext" href="http://contextgarden.net">http://contextgarden.net</a>
___________________________________________________________________________________</pre>
    </blockquote>
    <p>Still fails here, using the code you posted, with:</p>
    <blockquote>
      <p class="valdetail" style="padding-left:0px">Validating file
        "pdfa.pdf" for conformance level pdfa-3a<br>
        The key MarkInfo is required but missing.<br>
        The key StructTreeRoot is required but missing.<br>
        The document does not conform to the requested standard.<br>
        The document doesn't provide appropriate logical structure
        information.<br>
        The document does not conform to the PDF/A-3a standard.</p>
    </blockquote>
    <p class="valdetail" style="padding-left:0px">I am running on W10-64
      with:</p>
    <p class="valdetail" style="padding-left:0px">      the local LuaTeX
      version is           1.09.0 6998 on Lua 5.3.5,<br>
            the local ConTeXt timestamp is        2018-11-18 13:15 UTC</p>
    <p class="valdetail" style="padding-left:0px">-- <br>
      Rik<br>
    </p>
    <p class="valdetail" style="padding-left:0px"><br>
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