bug#4033: 23.1; list-colors-display is misleading

[Eli Zaretskii]

> From: "Drew Adams" <drew.adams@oracle.com>
> Date: Tue, 4 Aug 2009 12:40:32 -0700
> 
> BTW, if what you say is the case, then it is all the more unfortunate, since
> `color-values' returns values up to 65535 (or 65280, for some platforms). 
> That's
> 16 ** 4, which means that each color component can be represented by up to 4 
> hex
> digits: #RRRRGGGGBBBB. That's one reason I've always assumed that up to 4 hex
> digits were handled by Emacs.

Maybe it's too late and my brain is already asleep, but isn't 65535
2^16-1, i.e. the largest 16-bit number?