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From: sl@stanleylieber.com
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Subject: Re: [9front] Blie - blended layers image editor
Reply-To: 9front@9front.org
Precedence: bulk

paint(1) has some nice design choices. following programs like sam
and acme, you can do things like this:

          <command
               Executes command and reads the canvas from its standard
               output.

          >command
               Executes command and writes the canvas to its standard
               input.

          |command
               Transforms the canvas by piping it through command.

this allows a lot of features to be towed outside the layer-compositing
program entirely, and any such tools can also be reused for other
applications.

sl