id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
242	pmSubtractSky()	gusciora@…	Paul Price	"What does it mean to clip a pixel (last paragraph)?  Do we mask it?  What do
we do with clipped pixels for?
    Fitting the polynomial.
    Subtracting the binned image.

What should we do if the fitSpec is PM_FIT_SPLINE?  Splines are currently
defined in one dimension only.  Images are two dimensional."	defect	closed	high		IPP SDRS	unspecified	normal	fixed