--- trac/mimeview/txtl.py.orig	2005-11-10 10:48:02.000000000 -0600
+++ trac/mimeview/txtl.py	2005-11-10 10:48:02.000000000 -0600
@@ -35,4 +35,4 @@
 
     def render(self, req, mimetype, content, filename=None, rev=None):
         import textile
-        return textile.textile(content)
+        return textile.textile(content, input_encoding='utf-8', output_encoding='utf-8')