bug#25890: Default value of digits-per-component?

[Eli Zaretskii]

> Cc: Eli Zaretskii <eliz@gnu.org>
> From: Clément Pit-Claudel <cpitclaudel@gmail.com>
> Date: Wed, 29 Mar 2017 16:01:09 -0400
> 
> > If the change I made is nevertheless deemed too drastic, then what are
> > our alternatives?  The only one I could think of is to define a new
> > function and deprecate color-name-to-rgb in favor of that new
> > function, which will then display warnings when code using it is
> > compiled, and eventually cause them to make changes in their code
> > anyway.  Is that better?  Or are there any better ideas?
> 
> It sounds much better to me: the current solution breaks all code silently

I'm not sure I understand how come all users of that function are
suddenly broken.  A different result doesn't yet mean breakage, unless
the caller actually expected the precise format the old version was
producing, and relied on that.  Is that indeed so in the callers you
saw?