1	import Base
2	
3	# Markup: elements with attributes and children, and text. HTML, SVG and XML are all markup; a typed
4	# language (like domain/app/html) lowers into it to be printed.
5	type Attribute is Data:
6	  Attribute{name: String, value: String}
7	
8	type Node is Data:
9	  Element{tag: String, attributes: List<&2, Attribute>, children: List<&2, Node>}
10	  Void{tag: String, attributes: List<&2, Attribute>}
11	  Text{text: String}
12	  Raw{text: String}