PostingExchange protocol allows Indexing Kit classes to exchange their postings with one another.&nbsp; A <i>posting</i> is an optionally weighted opaque reference.&nbsp; A posting set is an array of postings ordered by handle, with no duplicates.</font></td></tr>

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<td><font face="Helvetica" size="+1"><b>Instance Methods</b></font></td></tr>

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