Fix some broken links.
diff --git a/Demo/metaclasses/index.html b/Demo/metaclasses/index.html
index 1a54cdd..af9caa9 100644
--- a/Demo/metaclasses/index.html
+++ b/Demo/metaclasses/index.html
@@ -27,7 +27,7 @@
entities. Don Beaudry has used this in his infamous <A
HREF="http://maigret.cog.brown.edu/pyutil/">MESS</A> package; Jim
Fulton has used it in his <A
-HREF="http://www.digicool.com/papers/ExtensionClass.html">Extension
+HREF="http://www.digicool.com/releases/ExtensionClass/">Extension
Classes</A> package. (It has also been referred to as the ``Don
Beaudry <i>hack</i>,'' but that's a misnomer. There's nothing hackish
about it -- in fact, it is rather elegant and deep, even though
@@ -62,7 +62,7 @@
<P>(Types are not classes, by the way. See questions 4.2, 4.19 and in
particular 6.22 in the <A
-HREF="http://grail.cnri.reston.va.us/cgi-bin/faqw.py" >Python FAQ</A>
+HREF="http://www.python.org/cgi-bin/faqw.py" >Python FAQ</A>
for more on this topic.)
<P>
@@ -193,7 +193,7 @@
This is exactly the same as before except that instead of type(B),
B.__class__ is invoked. If you have read <A HREF=
-"http://grail.cnri.reston.va.us/cgi-bin/faqw.py?req=show&file=faq06.022.htp"
+"http://www.python.org/cgi-bin/faqw.py?req=show&file=faq06.022.htp"
>FAQ question 6.22</A> you will understand that while there is a big
technical difference between type(B) and B.__class__, they play the
same role at different abstraction levels. And perhaps at some point