Adding references to XMLwrapp the C++ wrapper, Daniel
diff --git a/doc/upgrade.html b/doc/upgrade.html
index fc5d08e..1fbc84e 100644
--- a/doc/upgrade.html
+++ b/doc/upgrade.html
@@ -107,7 +107,7 @@
<p>So client code of libxml designed to run with version 1.x may have to be
changed to compile against version 2.x of libxml. Here is a list of changes
that I have collected, they may not be sufficient, so in case you find other
-change which are required, <a href="mailto:Daniel.Ïeillardw3.org">drop me a
+change which are required, <a href="mailto:Daniel.%C3%8Feillardw3.org">drop me a
mail</a>:</p>
<ol>
<li>The package name have changed from libxml to libxml2, the library name