| @namespace html url(http://www.w3.org/1999/xhtml); | |
| @namespace a url(http://www.example.org/a); | |
| @namespace b url(http://www.example.org/b); | |
| div.stub > *|* { background-color : lime ; display : block ; | |
| margin-bottom : 1em } | |
| div.stub > *|*:not(*|*) { background-color : red } | |
| /* yes, the rule just above selects nothing... That's the point */ |