Tidy - UTF-8 problem

Hi

I am running Tidy on an input xml file containing a right single quotation
mark --> [ ' ]. The document's encoding correctly specifies that it is
UTF-8. Running Tidy from the command line outputs the quote properly while
using jtidy substitues some other unicode characters for the quote.
My cmd line options were: --escape-cdata false -xml -utf8
My java code has:
 tidy.setEscapeCdata(false);
            tidy.setXmlTags(true);
           tidy.setCharEncoding(Configuration.UTF8);