id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	revision
371	Target graph is not cleared before graph copying	Peter Kovacs	Peter Kovacs	"The target graph must be cleared before graph copying. The `clear()` function must be used in the `DigraphCopySelector` and `GraphCopySelector` classes before adding nodes and arcs/edges.

It is a question if `build()` is required to clear the graph or we should explicitly call `clear()` before `build()` for those structures that provides `build()` function."	defect	closed	critical	LEMON 1.3 release	core	hg main	fixed