Commons.Xml.Relaxng 1.0.5000.0 Commons.Xml.Nvdl.NvdlResultAction Constructor The default constructor. To be added. Represents an NVDL "attachPlaceHolder" element. This class represents NVDL "attachPlaceHolder" element. For the entire NVDL grammar, see http://www.asahi-net.or.jp/~eb2m-mrt/dsdl/fcd/nvdl-fcd.pdf .