to_utf_16 (REXML::Encoding)

    # File src/rexml/encodings/UTF-16.rb, line 3
                    def to_utf_16 content
                            array_utf8 = content.unpack("U*")
                            array_enc = []
                            array_utf8.each do |num|
                                    if ((num>>16) > 0)
                                            array_enc << 0
                                            array_enc << ??
                                    else
                                            array_enc << (num >> 8)
                                            array_enc << (num & 0xFF)
                                    end
                            end
                            array_enc.pack('C*')
                    end