"top"><a href="#umerge-1">umerge/1</a></td><td>
  Returns the sorted iterator formed by merging all the subiterators of
  <code>IteratorOfIterators</code>.</td></tr>
<tr><td valign="top"><a href="#umerge-2">umerge/2</a></td><td>
  Returns the sorted iterator formed by merging <code>Iterator1</code> and
  <code>Iterator2</code>.</td></tr>
<tr><td valign="top"><a href="#umerge-3">umerge/3</a></td><td>
  Returns the sorted iterator formed by merging <code>Iterator1</code> and
  <code>Iterator2</code>.</td></tr