* doc/overview.html: Fix a typo ("See").
to be invoked when an object is collected.
It can take advantage of type information to locate pointers if such
information is provided, but it is usually used without such information.
-ee the README and
+See the README and
<tt>gc.h</tt> files in the distribution for more details.
<p>
For an overview of the implementation, see <a href="http://www.hpl.hp.com/personal/Hans_Boehm/gc/gcdescr.html">here</a>.