*/
Delete(b);           /* Destroys b, and destroys a */
</pre>
</blockquote>

Should it ever be necessary to manually increase the reference count of an object, the DohIncref() function
can be used:

<blockquote>
<pre>
DOH *a = NewString("Hello");
DohIncref(a);
</pre>
</blockquote>

<a name="2.4" href="#i2.4">
<h3>2.4 A Word About Mutability and Copying</h3>
</a>

All DOH objects are mutable regardless of their current reference
count.  For example, if you create a string and then create a 1000
references 