From: Eli Zaretskii <eliz@gnu.org>
To: "Daniel Colascione" <dancol@dancol.org>
Cc: emacs-devel@gnu.org
Subject: Re: [RFC PATCH] Per-window face support
Date: Sat, 16 Jun 2018 19:09:26 +0300 [thread overview]
Message-ID: <83bmcazpah.fsf@gnu.org> (raw)
In-Reply-To: <fca4ee182ea7720f5f91144f48ddbf0b.squirrel@dancol.org>
> Date: Sat, 16 Jun 2018 08:30:52 -0700
> From: "Daniel Colascione" <dancol@dancol.org>
> Cc: "Daniel Colascione" <dancol@dancol.org>,
> emacs-devel@gnu.org
>
> > That's not the Emacs way, IMO. Being able to use only integers or
> > symbols as filtering parameters sounds too restrictive to me, and I
> > see no reason for such restrictions.
>
> There's no loss of generality in allowing only eq at face filtering time:
> you can set an integer or symbol to reflect the result of any other
> computation
That's exactly the point: one needs to modify window parameters,
instead of just using what's already there. So this will restrict
applications that want to modify a window's faces based on existing
window parameters whose values are neither symbols nor integers. Such
applications will have to add their own parameters to windows.
> Contractually allowing something more powerful than eq here can really
> screw us over later: what happens when we equal-compare large data
> structures?
Same thing that happens when an :eval form in the mode-line-format
causes Emacs to solve partial differential equations in 20 dimensions:
they get what they deserve. Emacs never prevented legitimate uses of
power features just because those features give us enough rope to hang
ourselves, should we be so stupid.
next prev parent reply other threads:[~2018-06-16 16:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-07 23:42 [RFC PATCH] Per-window face support dancol
2018-06-08 2:57 ` Stefan Monnier
2018-06-08 3:18 ` Daniel Colascione
2018-06-08 3:53 ` Stefan Monnier
2018-06-08 9:15 ` Eli Zaretskii
2018-06-16 10:29 ` Eli Zaretskii
2018-06-16 14:24 ` Daniel Colascione
2018-06-16 15:06 ` Eli Zaretskii
2018-06-16 15:30 ` Daniel Colascione
2018-06-16 16:09 ` Eli Zaretskii [this message]
2018-06-16 17:35 ` Stefan Monnier
2018-06-16 21:03 ` Daniel Colascione
2018-06-17 18:20 ` Stefan Monnier
2018-06-17 18:48 ` Daniel Colascione
2018-06-17 19:03 ` Stefan Monnier
2018-06-17 19:21 ` Daniel Colascione
2018-06-17 20:51 ` Stefan Monnier
2018-06-17 21:16 ` Daniel Colascione
2018-06-17 21:34 ` Paul Eggert
2018-06-17 22:25 ` Aliasing EQ to EQL (was: [RFC PATCH] Per-window face support) Stefan Monnier
2018-06-17 23:49 ` Daniel Colascione
2018-06-18 2:14 ` Aliasing EQ to EQL Stefan Monnier
2018-06-18 3:48 ` Daniel Colascione
2018-06-18 13:56 ` Stefan Monnier
2018-06-17 19:23 ` [RFC PATCH] Per-window face support Stefan Monnier
2018-06-17 19:25 ` Daniel Colascione
2018-06-17 19:32 ` Stefan Monnier
2018-06-17 19:49 ` Daniel Colascione
2018-06-17 20:57 ` Stefan Monnier
2018-06-18 23:22 ` Richard Stallman
2018-06-19 1:21 ` Stefan Monnier
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