xmlwf -version (return code: 0)
xmlwf using expat_2.2.3
sizeof(XML_Char)=1, sizeof(XML_LChar)=1, XML_DTD, XML_CONTEXT_BYTES=1024, XML_NS
xmlwf --help (return code: 2)
usage: xmlwf [-s] [-n] [-p] [-x] [-e encoding] [-w] [-d output-dir] [-c] [-m] [-r] [-t] [file ...]