Thanks for the review!

Robert Pluim <rpluim@gmail.com> writes:

> As with #75495, "size" or "sizes", please pick one and only one.

I do not have a preference for this. So I updated the patch to use
"sizes" consistently following your comment in #75495.

> When adding a new user option, please describe the default value. I
> assume itʼs nil, but NEWS should tell me (especially as NEWS is often
> read outside Emacs).

Added in the updated patch.

Pengji