t ways.  In our system, the default method
is to use the function <code style="white-space: normal">typeid(...)</code> which is available 
in systems which support <b>RTTI</b> (<b>R</b>un <b>T</b>ime 
<b>T</b>ype <b>I</b>nformation).
This will be satisfactory in almost all cases and most users of this 
library will lose nothing in skipping this section of the manual.
<p>
However, there are some cases where the default type determination
system is not convenient.  Some platforms might not support
RTTI or it 