The language of the engine to use. The output of the TTL web service XCES method as input. The method returns the XCES string with head attributes. The UTF8 encoded, input string. The method returns a SGML character expansion of the input string. The SGML encoded, input string. The method returns a UTF7 representation of the input string. Runs LexPar on the output of the TTL web service XCES method. Input string must be SGML encoded. For this purpose, use this package UTF8toSGML and then apply SGMLtoUTF7 on the result value to obtain the UTF7 encoding of the result. This static method performs UTF8 to SGML encoding on the input string. This static method performs SGML to UTF7 encoding on the input string.