ce of the <code style="white-space: normal">&lt;&lt;</code> 
and <code style="white-space: normal">&gt;&gt;</code> suggests
a relationship between archives and C++ i/o streams. <strong>Archives are not 
C++ i/o streams</strong>. All the archives included with this system take a stream
as an argument in the constructor and that stream is used for output or input.
However, this is not a requirement of the serialization functions or the
archive interface. It just turns out that the archives written so far have