ent
useful features such as serialization of pointers, class versioning
and others. This library implements a family of full featured archive
classes appropriate for a variety of purposes.  

<p>
Our archives have been factored into a tree of classes in order to minimize
repetition of code.  This is shown in the accompanying 
<a target="class_diagram" href="class_diagram.html">class diagram</a>.

Any class which fulfills the following requirements will fit into
this hierarchy and implement all the features 