No comment. Sorry.

	applying
	updateTargetAt:

	envelope compatibility
	duration duration: name sustainEnd:

	envelopeEditor compatibility
	points setPoints:loopStart:loopEnd:

	initialization
	initialize

	accessing	top
	centerPitch: If this envelope controls pitch, set its scale to the given number. Otherwise, do nothing.
	delta
	delta:
	highLimit
	highLimit:
	lowLimit
	lowLimit:
	volume: If this envelope controls volume, set its scale to the given number. Otherwise, do nothing.

	applying	top
	updateTargetAt: Send my updateSelector to the given target object with the value of this envelope at the given number of milliseconds from its onset. Answer true if the value changed.

	envelope compatibility	top
	duration Return the time of the final point.
	duration: Do nothing.
	name Answer a name for the receiver. This is used generically in the title of certain inspectors, such as the referred-to inspector, and specificially by various subsystems. By default, we let the object just print itself out..
	sustainEnd: Do nothing.

	envelopeEditor compatibility	top
	points
	setPoints:loopStart:loopEnd:

	initialization	top
	initialize

	instance creation	top
	for: Answer a random envelope for the given selector.
	new Answer a new instance of the receiver (which is a class) with no indexable variables. Fail if the class is indexable.