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

[Basil L. Contovounesios]

Mattias Engdegård <mattiase@acm.org> writes:

> Thanks to those who replied -- the originally proposed 0.325 luminance limit
> seems to be fairly uncontroversial and can be changed if evidence indicates 
> that
> it was badly chosen. Most of all, the value seems to work well across all
> platforms and a sufficient variety of equipment, which is the important part.
>
> Special thanks to Yuri for helping me confirm that the theoretical 50% 
> lightness
> of luminance 0.18 wasn't necessarily an optimal value in this case. Trust my 
> own
> eyes, but verify!
>
> The constant has now been given a (provisional) name, for extra clarity and 
> ease of adjustment.

Thanks!  Could the constant's docstring please follow the convention
described under (info "(elisp) Documentation Tips") of keeping the first
sentence on a single line?

-- 
Basil