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From: Tomas Hlavaty <tom@logand.com>
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Subject: Re: Emacs Survey: Toolbars
Date: Fri, 25 Dec 2020 19:28:27 +0100
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On Fri 25 Dec 2020 at 13:14, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>> Do you have suggestion for automatically computing "it's not too
>> hard" color mapping for "inverse video" "pure" text?
>
> Convert the color's YUV and invert the Y.

Thanks for the suggestion!  I'll have a look at that.