// handler can handle only 'myitems' (e.g. it's GetSupportedTags returns "MYITEMS")
// you can call PushTagHandler(handler, "IT") when you find <myitems>
// and call PopTagHandler() when you find </myitems>
// handler can handle only 'myitems' (e.g. it's GetSupportedTags returns "MYITEMS")
// you can call PushTagHandler(handler, "IT") when you find <myitems>
// and call PopTagHandler() when you find </myitems>