def rfc2426(self):
if self.unit:<EOL><INDENT>return rfc2425encode("<STR_LIT>",u'<STR_LIT:;>'.join(quote_semicolon(val) for val in<EOL>(self.name,self.unit)))<EOL><DEDENT>else:<EOL><INDENT>return rfc2425encode("<STR_LIT>",unicode(quote_semicolon(self.name)))<EOL><DEDENT>
RFC2426-encode the field content.

        :return: the field in the RFC 2426 format.
        :returntype: `str`