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Summary
Based on Image:KB_UK_Dvorak.png and share/X11/xkb/us-dvorak-classic and share/X11/xkb/gb-dvorak symbol mappings (in xorg). As such I believe this is tainted with the GPL
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Based on Image:KB_UK_Dvorak.svg and share/X11/xkb/us-dvorak-classic and share/X11/xkb/gb-dvorak symbol mappings (in xorg). As such I believe this is tainted with the GPL