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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Password required on document that opens without using Acrobat"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=70704#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Password required on document that opens without using Acrobat"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=70704">bug 70704</a>
              from <span class="vcard"><a class="email" href="mailto:qubit@runcibility.com" title="Qubit <qubit@runcibility.com>"> <span class="fn">Qubit</span></a>
</span></b>
        <pre>Created <span class=""><a href="attachment.cgi?id=88038" name="attach_88038" title="Slides from LibreOffice2013 presentation - cleaned with MuPDF">attachment 88038</a> <a href="attachment.cgi?id=88038&action=edit" title="Slides from LibreOffice2013 presentation - cleaned with MuPDF">[details]</a></span>
Slides from LibreOffice2013 presentation - cleaned with MuPDF

(In reply to <a href="show_bug.cgi?id=70704#c2">comment #2</a>)
<span class="quote">> Interesting.

> GhostScript also is unable to open it, but mupdf can do so.</span >

Excellent. Looks like we can mupdf to convert the PDF files.

WORKAROUND:

Build MuPDF from source (3379bea "Remove duplicated line.") and use mutool to
massage a (seemingly) encrypted PDF into something more standard.

For example:
qubit@loopbackoffice:~/src/mupdf/build/debug/mutool clean LibO\ Conf\ 2013\ as\
presented.pdf LibO-Conf-2013_cleaned-with-mupdf.pdf

Evince can open the output PDF properly.</pre>
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