This method is for expat-1.1 or later. This methods is called before the element that has namespace declaration. Prefix and uri can be nil. This method is for expat-1.1 or later. This methods is called after the element that has namespace declaration.
Prefix can be nil.
This method is for expat-1.1 or later. This method is for expat-19990728 or later. This method is for expat-19990728 or later. This method is called when there is no applicable event handler. If this method is defined, expansion of internal entities are inhibited.