Parse the arguments of a tag

Property definitions

dom $ XMLProcessor :: parse_args
	# Parse the arguments of a tag
	private fun parse_args(endtags: Array[Char]): Array[XMLAttribute] do
		var attrs = new Array[XMLAttribute]
		loop
			var arg = parse_arg(endtags)
			if arg isa XMLAttributeEnd then return attrs
			attrs.add arg
			if arg isa BadXMLAttribute then return attrs
		end
	end
lib/dom/parser.nit:248,2--257,4