to it (in lists and hash tables), changes to the string
will be reflected in all of the references.  Therefore, if you need to
make any kind of local change, you should first make a copy using the
Copy() function.  Caveat:  when copying lists and hash tables, elements
are copied by reference.

<a name="2.5" href="#i2.5">
<h3>2.5 Strings</h3>
</a>

The DOH String type is perhaps the most flexible object.  First, it supports a variety of string-oriented
operations.  Second, it supports many of the same operat