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            <b><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - LO603a: On macOS export PDF generates empty comments"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=116471#c9">Comment # 9</a>
              on <a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - LO603a: On macOS export PDF generates empty comments"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=116471">bug 116471</a>
              from <span class="vcard"><a class="email" href="mailto:telesto@surfxs.nl" title="Telesto <telesto@surfxs.nl>"> <span class="fn">Telesto</span></a>
</span></b>
        <pre>(In reply to Martin Srebotnjak from <a href="show_bug.cgi?id=116471#c8">comment #8</a>)
<span class="quote">> Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=140691" name="attach_140691" title="Test document">attachment 140691</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=140691&action=edit" title="Test document">[details]</a></span>
> Test document

> Enjoy.</span >

I can't repro it with LibO 6.1 build 08-03-2018 using Sierra 10.12.6.
It might be a PDF-reader issue.. The PDF is valid (in my case):
<a href="https://www.pdf-online.com/osa/validate.aspx">https://www.pdf-online.com/osa/validate.aspx</a></pre>
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