de>void save_end(char const *)</code></h4></dt>
<dd>
<strong>Default</strong>:Does nothing.<br>
<strong>Purpose</strong>:To inject/retrieve an object name into the archive. Used
by XML archive to inject "&lt;/name&gt;" after data.
<dd>
</dd>
<p>
<dt><h4><code>void end_preamble()</code></h4></dt>
<dd>
<strong>Default</strong>:Does nothing.<br>
<strong>Purpose</strong>:Called <strong>each time</strong> user data is saved. 
It's not called when archive bookkeeping data is saved.  This is used by XML archives 
