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


From: Eli Zaretskii
Subject: bug#25890: `color-values` gives wrong value
Date: Sat, 04 Mar 2017 18:10:26 +0200

> Date: Sat, 4 Mar 2017 07:38:51 -0800 (PST)
> From: Drew Adams <address@hidden>
> Cc: address@hidden, address@hidden, address@hidden
> 
> > It should instead produce the most-significant digits.
> 
> Why?

Because that's how colors are interpreted on X, which is where Emacs
takes its ideas of how to process these specs.  See, for example, this
man page:

  https://linux.die.net/man/3/xparsecolor

(Emacs on X uses XParseColor internally in the implementation of
color-values.)

If you do it differently, sooner or later the results will clash with
what Emacs does, and yield subtly wrong values.

I will now bail out of this discussion.  I have nothing more to say
about this issue.  If you don't want to change hexrgb.el, that's your
prerogative.





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