And associated stack buffer.

Instead of just comparing the absolute URI property of the generated IUri,
compare on a property by property basis. Since not all IUri's have an
absolute URI property.

wined3d: Don't overwrite the offscreen depth/stencil surface with undefined data in surface_load_ds_location().

The plan is to get rid of IXMLDOMNode interface in xmlnode object and use 
proper inheritance.