rc	- sys sys
	bin	- sys sys
		hg	- sys sys
sys	- sys sys
	man	- sys sys
		1	- sys sys
			hg	- sys sys
		8	- sys sys
			hgignore	- sys sys
			hgrc	- sys sys
	src	- sys sys
		cmd	- sys sys
			hg	- sys sys
				+	- sys sys