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            <b><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Filter By Color: allow multiple selection"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=142522#c9">Comment # 9</a>
              on <a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Filter By Color: allow multiple selection"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=142522">bug 142522</a>
              from <span class="vcard"><a class="email" href="mailto:michael.stahl@allotropia.de" title="Michael Stahl (allotropia) <michael.stahl@allotropia.de>"> <span class="fn">Michael Stahl (allotropia)</span></a>
</span></b>
        <pre>i think this could easily be implemented in ODF filter because ODF already has
these filter-or and filter-and elements that don't care if the condition inside
them is a string match or a color... but i have no idea about XLSX

  <rng:define name="table-filter">
    <rng:element name="table:filter">
      <rng:ref name="table-filter-attlist"/>
      <rng:choice>
        <rng:ref name="table-filter-condition"/>
        <rng:ref name="table-filter-and"/>
        <rng:ref name="table-filter-or"/>
      </rng:choice>
    </rng:element>
  </rng:define>
  <rng:define name="table-filter-and">
    <rng:element name="table:filter-and">
      <rng:oneOrMore>
        <rng:choice>
          <rng:ref name="table-filter-or"/>
          <rng:ref name="table-filter-condition"/>
        </rng:choice>
      </rng:oneOrMore>
    </rng:element>
  </rng:define>
  <rng:define name="table-filter-or">
    <rng:element name="table:filter-or">
      <rng:oneOrMore>
        <rng:choice>
          <rng:ref name="table-filter-and"/>
          <rng:ref name="table-filter-condition"/>
        </rng:choice>
      </rng:oneOrMore>
    </rng:element>
  </rng:define></pre>
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