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            <b><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - FILEOPEN XLSX Autofilter opened incorrectly with more than 8 filtering conditions"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=140469#c5">Comment # 5</a>
              on <a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - FILEOPEN XLSX Autofilter opened incorrectly with more than 8 filtering conditions"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=140469">bug 140469</a>
              from <span class="vcard"><a class="email" href="mailto:libreoffice@nisz.hu" title="NISZ LibreOffice Team <libreoffice@nisz.hu>"> <span class="fn">NISZ LibreOffice Team</span></a>
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        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=169817" name="attach_169817" title="Another example file with filtered date column">attachment 169817</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=169817&action=edit" title="Another example file with filtered date column">[details]</a></span>
Another example file with filtered date column

This is <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=141122" name="attach_141122" title="Example file from Excel 2010">attachment #141122</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=141122&action=edit" title="Example file from Excel 2010">[details]</a></span> from <a class="bz_bug_link 
          bz_status_VERIFIED  bz_closed"
   title="VERIFIED FIXED - XLSX FILEOPEN: Autofiltered date column and another filtered column discard the filtering"
   href="show_bug.cgi?id=116818">bug #116818</a> saved with current Calc master.

Here the filtering condition changes in the XML (but works the same in Excel),
from:

    <filterColumn colId="0">
      <filters>
        <dateGroupItem year="2014" dateTimeGrouping="year"/>
        <dateGroupItem year="2012" dateTimeGrouping="year"/>
      </filters>
    </filterColumn>

changes is Calc export to:

    <filterColumn colId="0">
      <filters>
        <dateGroupItem year="2014" month="12" day="12" dateTimeGrouping="day"/>
        <dateGroupItem year="2014" month="12" day="13" dateTimeGrouping="day"/>
        <dateGroupItem year="2014" month="12" day="14" dateTimeGrouping="day"/>
        <dateGroupItem year="2014" month="12" day="15" dateTimeGrouping="day"/>
        <dateGroupItem year="2014" month="12" day="16" dateTimeGrouping="day"/>
        <dateGroupItem year="2014" month="12" day="17" dateTimeGrouping="day"/>
        <dateGroupItem year="2012" month="12" day="02" dateTimeGrouping="day"/>
        <dateGroupItem year="2012" month="12" day="03" dateTimeGrouping="day"/>
        <dateGroupItem year="2012" month="12" day="04" dateTimeGrouping="day"/>
        <dateGroupItem year="2012" month="12" day="05" dateTimeGrouping="day"/>
        <dateGroupItem year="2012" month="12" day="06" dateTimeGrouping="day"/>
      </filters>
    </filterColumn>

This puts it above the 8 conditions limit and fails to display in Calc.</pre>
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