Returns the specified media type, or null. Required only if the DOM Document or SAX events do not specify the document type, and one must be present in the serialized document. Any document type specified by the DOM Document or SAX events will override these values. Returns true if comments should be ommited. The default is false.
Sets comment omitting on and off.
The default is false. Returns true if the XML document declaration should be ommited. The default is false. Returns true if the document type is standalone. The default is false.