t><dd><p>
      The new schema for the operator family.
     </p></dd></dl></div><p>
   The <code class="literal">OPERATOR</code> and <code class="literal">FUNCTION</code>
   clauses can appear in any order.
  </p></div><div class="refsect1" id="id-1.9.3.22.7"><h2>Notes</h2><p>
   Notice that the <code class="literal">DROP</code> syntax only specifies the <span class="quote">“<span class="quote">slot</span>”</span>
   in the operator family, by strategy or support number and input data
   type(s).  The 