Re: master 68ae6fa: Improved light/dark colour predicate (bug#41544)

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Re: master 68ae6fa: Improved light/dark colour predicate (bug#41544)

Stefan Monnier
>> Where does this 0.6 come from?
> It's documented above, "a cut-off value determined experimentally".

I saw that part, but I was expecting a description of (or a pointer to)
the experiment.  Since it depends on the actual color, the human
subject, the monitor, and the ambient lighting (i.e. the search space is
very large), I expect these experiments took a significant amount of
work, so I'd expect some trace of it written down somewhere.


        Stefan