bug#47316: 27.1; commands with color input should use a common color chooser

[Eli Zaretskii]

> Date: Mon, 22 Mar 2021 12:11:56 +0000
> From: scame <laszlomail@protonmail.com>
> Cc: "scame via Bug reports for GNU Emacs, the Swiss army knife of text 
> editors" <bug-gnu-emacs@gnu.org>, "47316@debbugs.gnu.org" 
> <47316@debbugs.gnu.org>
> 
> > read-color will show you the colors from which you can select if you type 
> > '?', the standard Emacs command that requests the list of possible 
> > candidate values.
> 
> Yes, I mentioned it in my mail:
> 
> > > set-foreground-color uses a color chooser: read-color.

The way it was written, together with the rest of the message, could
cause people to interpret that as if read-color didn't display the
colors.  My intent was to point out that it does.