Re: [Cin] Some tests on blending

I append new plugins.text

I wonder if you think parts of it should be included in the manual too but so far it seems already covered.

I wouldn't really know what to put in. PS: I saw the manual update you mentioned in a previous mail about my attempts at Gimp-like functions. They are not very important and do not serve to solve cases where our overlays work differently from CinCV's. Besides, the tests I did are not representative, as is evident from the thread. I would remove that commit...