No comment. Sorry.

	enumerating
	do:

	initialize
	initialize

	merging
	mergeEdgesFrom:

	private
	asArray grow

	removing
	removeFirst

	sorting
	resortFirst

	streaming
	atEnd next peek reset

	testing
	isEmpty

	accessing	top
	at: Primitive. Assumes receiver is indexable. Answer the value of an indexable element in the receiver. Fail if the argument index is not an Integer or is out of bounds. Essential. See Object documentation whatIsAPrimitive.
	first
	indexOf:
	last
	size Primitive. Answer the number of indexable variables in the receiver. This value is the same as the largest legal subscript. Essential. See Object documentation whatIsAPrimitive.
	xValues

	enumerating	top
	do:

	initialize	top
	initialize

	merging	top
	mergeEdgesFrom: Merge all the edges from the given input list in the AET

	private	top
	asArray
	grow

	removing	top
	removeFirst

	sorting	top
	resortFirst Resort the first entry in the active edge table

	streaming	top
	atEnd
	next Return the next entry from the AET and advance start
	peek Peek the next entry from the AET
	reset

	testing	top
	isEmpty

	instance creation	top
	new Answer a new instance of the receiver (which is a class) with no indexable variables. Fail if the class is indexable.