[magick-users] bug with contrast-stretch?

[Mikolaj Machowski]

duc.sequere.aut.de.via.decede at imagemagick.org scripsit:
>> Don't you need to put the % on both values, e.g. 0.2%x0.1%
>
> No, the simplistic geometry string parser uses percent if it spots '%' anywhere
> in the string.

Any clues? By testing I narrowed problematic cases to combination of
x and %, eg. convert 1.jpg -contrast-stretch 2x1% 2.jpg instead of
slightly intensification of image will completely destroy it leaving
only white, yellow and black pixels.

m.