0.8.0.78.vector-nil-string.15:

0.8.0.78.vector-nil-string.15:
	Since I previously made a note that the applicability of the
	REPLACE transform was critical for the performance of
	string-streams
	... move types around sufficiently that the REPLACE transform
		becomes applicable again in string-stream machinery.
	(not that I observe the dramatic speedup I was hoping for)