amtype">const char *&#160;</td>
          <td class="paramname"><em>key</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Deletes a key by placing a delete marker and leaving all revisions.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">kv</td><td>the pointer to the <a class="el" href="group__types_group.html#ga054c05493dd3cfc5c3e7a6