GNU bug report logs - #79298
patch: full color in windows terminal

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Ewan <ewan <at> etown.dev>
Cc: 79298 <at> debbugs.gnu.org
Subject: bug#79298: patch: full color in windows terminal
Date: Tue, 26 Aug 2025 14:02:37 +0300

> Date: Mon, 25 Aug 2025 20:23:52 +0000
> From: Ewan <ewan <at> etown.dev>
> Cc: 79298 <at> debbugs.gnu.org
> 
> > > The initial patch drew heavily (>15 lines) from this public fork of emacs:
> > > https://github.com/tsuu32/emacs-w32con-vt
> > > 
> > > The revised patch differs substantially, but I suspect it will keep some
> > > small chunks of color-computing code, as the forumulas are what they are.
> > 
> > 
> > Can you identify those formulas in the patch you submitted?
> 
> In lisp/term/w32console.el, the definition and application of convert-to-16-bit 
> in the body of w32con-define-256-colors, and the overall of shape of the
> w32con-define-N-colors functions.
> 
> In src/w32console.c, within turn_on_face, the conversions of fg and bg which 
> yield substituends in the calls to snprintf .

Thanks.  Is there some Microsoft documentation that describes how to
convert fg and bg colors to virtual console escape sequences?  If so,
can you point to it?

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