public	new()
public	read(string : ?)
public	doctype(doctype : ?, system : ?)
public	startTag(name : ?, attrs : ?)
public	emptyTag(name : ?, attrs : ?)
public	dataElement(name : ?, contents : ?, attrs : ?)
public	endTag(name : ?)
public	characters(contents : ?)
public	write(filename : ?)
implementation	create_tag(name : ?)
implementation	close_tag()