id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	difficulty
704	remove ##sys#walk-namespace	felix winkelmann		`##sys#walk-namespace` in `library.scm` is obsolete - it was used by the `environments` egg but otherwise seems not to be used anymore.	task	closed	not urgent at all		core libraries	4.7.x	fixed