ha:lht_tree_doc { ha:comm {

	ha:attrib {
		type=ha
		hide=1
		desc { a hash of attributes  }
		li:children {
			ha:simple-attrib-key { valtype=string; desc={attribute value without metadata (text node)} }
			ha:detailed-attrib {
				type=ha
				desc { attribute with metadata (hash node) }
				li:children {
					ha:value { valtype=string; desc={attribute value} }
					ha:prio  { valtype=integer; desc={priority value} }
				}
			}
		}
	}

}}