[iText-questions] (no subject)

[GaoSu]

I need your help.      There are 2 problems.      The first is when I generate a PDF document from a xml file.the dtd of  the xml file is http://www.lowagie.com/iText/itext.dtd. and the encoding of  it is "GB2312" if the xml file does not include Chinese Character,it is  ok,But if xml file includes Chinese Character,it does not work. how i deal  with it?    The other is how a watermark is writen in a PDF document in xml file.       Thanks in advance!