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bug#25890: `color-values` gives wrong value


From: Eli Zaretskii
Subject: bug#25890: `color-values` gives wrong value
Date: Fri, 10 Mar 2017 15:32:58 +0200

> From: Lars Ingebrigtsen <address@hidden>
> Cc: "address@hidden" <address@hidden>,  address@hidden
> Date: Fri, 10 Mar 2017 12:07:18 +0100
> 
> Eli Zaretskii <address@hidden> writes:
> 
> > I'm open to alternative ideas for how to solve the original bug in a
> > less intrusive way.  I just don't think defaulting to 2 would be such
> > an alternative, because the underlying issues are very subtle, and if
> > we continue using 2 as the default, users of that function will never
> > discover that they need to use 4.  But maybe there are other ways that
> > leave everyone more happy.
> 
> The normal way to introduce incompatible changes like this is to
> introduce a new function and mark the old function as obsolete, isn't
> it?  (Then remove the old function in about ten years time.  :-))

I asked about that in https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25525#68,
but no one answered.  The disadvantage would be that those packages
need to change their code anyway, now or in "ten years time".  If
that's deemed a better way, I can do it.





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