[kupfer] Link to amk's unicode guide

[Ulrik Sverdrup <usverdrup src gnome org>]

commit ded5da4be2565ee33be07fd7b96b3a33de2aa159
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Sat Jun 12 12:52:27 2010 +0200

    Link to amk's unicode guide

 Documentation/Manual.rst |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/Documentation/Manual.rst b/Documentation/Manual.rst
index eb712b1..615de64 100644
--- a/Documentation/Manual.rst
+++ b/Documentation/Manual.rst
@@ -355,8 +355,10 @@ Internally, kupfer must use ``unicode`` for all internal text.
 The module ``kupfer.kupferstring`` has functions for the most important
 text conversions.
 
-A good introduction to unicode in Python is to read here:
-http://farmdev.com/talks/unicode/
+Two good resources for unicode in Python are to be found here:
+
+| http://farmdev.com/talks/unicode/
+| http://www.amk.ca/python/howto/unicode
 
 **Always** find out what encoding you must expect for externally read
 text (from files or command output). If you must guess, use the locale