Fix broken links found by "make linkcheck".  scipy.org seems to be done right now, so I could not verify links going there.
diff --git a/Doc/howto/unicode.rst b/Doc/howto/unicode.rst
index 4b34c82..4e4921c 100644
--- a/Doc/howto/unicode.rst
+++ b/Doc/howto/unicode.rst
@@ -472,7 +472,7 @@
 from the above output, ``'Ll'`` means 'Letter, lowercase', ``'No'`` means
 "Number, other", ``'Mn'`` is "Mark, nonspacing", and ``'So'`` is "Symbol,
 other".  See
-<http://www.unicode.org/Public/UNIDATA/UCD.html#General_Category_Values> for a
+<http://unicode.org/Public/5.1.0/ucd/UCD.html#General_Category_Values> for a
 list of category codes.
 
 References
diff --git a/Doc/howto/webservers.rst b/Doc/howto/webservers.rst
index 4613c76..0829292 100644
--- a/Doc/howto/webservers.rst
+++ b/Doc/howto/webservers.rst
@@ -270,8 +270,7 @@
 * lighttpd ships its own `FastCGI module
   <http://trac.lighttpd.net/trac/wiki/Docs%3AModFastCGI>`_ as well as an `SCGI
   module <http://trac.lighttpd.net/trac/wiki/Docs%3AModSCGI>`_.
-* nginx also supports `FastCGI
-  <http://wiki.codemongers.com/NginxSimplePythonFCGI>`_.
+* nginx also supports `FastCGI <http://wiki.nginx.org/NginxSimplePythonFCGI>`_.
 
 Once you have installed and configured the module, you can test it with the
 following WSGI-application::
@@ -524,7 +523,7 @@
 informations on a web server.
 
 Often relational database engines like `MySQL <http://www.mysql.com/>`_ or
-`PostgreSQL <http://http://www.postgresql.org/>`_ are used due to their good
+`PostgreSQL <http://www.postgresql.org/>`_ are used due to their good
 performance handling very large databases consisting of up to millions of
 entries.  These are *queried* using a language called `SQL
 <http://en.wikipedia.org/wiki/SQL>`_.  Python programmers in general do not like
@@ -628,7 +627,7 @@
 It has a big, international community which has created many sites using Django.
 There are also quite a lot of add-on projects which extend Django's normal
 functionality.  This is partly due to Django's well written `online
-documentation <http://doc.djangoproject.com/>`_ and the `Django book
+documentation <http://docs.djangoproject.com/>`_ and the `Django book
 <http://www.djangobook.com/>`_.