Emanuel Berg:
> Hello, is there a tool/command/script anywhere that can overwrite
> with a single color (or make transparent) every pixel to the left,
> above, right, and below a certain other color?
            
-) ImageMagick and their convert-tool
-) The Gimp
-) the list of programs that the next guy will suggest.

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GnuPG rsa4096 2020-09-08 [SC] [expire : 2022-09-08]
      B31591374C4824DE872841D27D857E5045D038F8
sub   rsa4096 2020-09-08 [E] [expire : 2022-09-08]

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