Preserve multibyte UTF-8 characters when obfuscating.

Preserve multibyte UTF-8 characters when obfuscating.

This version uses the unicode 'replace' option, so non-UTF-8
encodings will still be mangled. Luckily, there aren't any
of those.

--- a/mercurial/templater.py	Fri Jul 21 02:31:59 2006 +0200
+++ b/mercurial/templater.py	Fri Jul 21 02:36:17 2006 +0200
@@ -241,6 +241,7 @@
     return text.replace('\n', '<br/>\n')
 
 def obfuscate(text):
+    text = unicode(text, 'utf-8', 'replace')
     return ''.join(['&#%d;' % ord(c) for c in text])
 
 def domain(author):