[Image-SIG] Re: RGB conversion to CMKY gives strange results

[Fredrik Lundh]

Ray Pasco wrote:

> The doc for im.convert is obviously wrong, too !  It says that the
> coefficient matrix must be either a 4-tuple or a 16-tuple, yet its own
> example uses a 12-tuple !

it's a typo: the matrix should be either a 4-tuple (for an L target) or a
12-tuple (for an RGB target).

</F>