s_node_pair-1">is_node_pair/1</a></td><td>
  Returns whether a node is a node pair.</td></tr>
<tr><td valign="top"><a href="#new-0">new/0</a></td><td>
  Creates a empty tree.</td></tr>
<tr><td valign="top"><a href="#new_node_ph-1">new_node_ph/1</a></td><td>
  Creates a node from a placeholder.</td></tr>
<tr><td valign="top"><a href="#replace_with_elements-3">replace_with_elements/3</a></td><td>
  Replaces the first occurrence of Pattern in List with the elements
  in the list Replacement.</td></tr>
<tr><td 