Re: flattening: two ways, two different results

frechefuchs via Graphicsmagick-help <[email protected]> Fri, 1 Sep 2023 14:41:46 +0200
Newsgroups gmane.comp.video.graphicsmagick.help
Message-ID <[email protected]>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