bug#70963: [PATCH] Add Oklab color space utility functions in color.el.

[Eli Zaretskii <eliz@gnu.org>]

> From: Robert Church <chrchr@gmail.com>
> Date: Wed, 15 May 2024 09:58:27 -0700
> 
> This patch adds functions to convert to and from the Oklab perceptual color space to color.el. Oklab
> preserves the perceived brightness ot a color as the hue and saturation change. It is especially useful for
> programmatically generating color schemes, and can be used directly in CSS in current web browsers.
> 
> Oklab is described here: https://bottosson.github.io/posts/oklab/

Thanks, I installed this on the master branch.

For the future, please try to observe our conventions for patch
submissions:

  . accompany the patches with suitable ChangeLog-style commit log
    messages (you can see the examples in what I actually committed,
    and the instructions are in CONTRIBUTE)
  . leave 2 spaces between sentences in doc strings and comments
  . announce any worthy changes in NEWS and propose changes for the
    manuals when appropriate

I'm closing the bug report with this message.