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bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anony
From: |
Drew Adams |
Subject: |
bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face |
Date: |
Mon, 28 Dec 2020 10:54:58 -0800 (PST) |
> > > Shouldn't that just mean that the bug remains open?
> > I'm not sure I agree that there is a bug.
>
> Or maybe I should turn the table and ask: what bug do you see with
> this recipe, and what would you like to see instead?
>
> To be specific, here's the recipe:
> emacs -Q
> M-x font-lock-mode RET
> M-: (insert (propertize "hello" 'face (quote (quote '(:height 10.0))))) RET
Yes, I was using such a recipe to follow this bug.
I see the same thing that I see when I use this:
(insert (propertize "hello" 'face '(:height 10.0)))
That second sexp follows the description (doc) of
`propertize'. The first sexp does not.
The bug, IMO, is that this is not "a sequence of
PROPERY VALUE pairs...", which is what the doc
says it should be:
(quote (quote '(:height 10.0)))
I wouldn't think of this as a doc bug because (1)
this behavior is so unusual, and (2) I see no
reason for it - no advantage in any way.
Wrt #1: nowhere else, AFAIK, do we accept
(quote (quote (quote SEXP)))
or (quote (quote (quote (quote (quote SEXP)))))
or <add more `quote' ...> as a substitute for SEXP.
Those sexps are certainly are not equivalent for `eval'.
We don't do that anywhere else, and I don't see
why we should do it here (or anywhere)? I asked
whether there's some special reason we should.
You've said, I think, that you too see no reason
why this is done, except the possible historical
one of it having just happened by "accident".
That's not a good reason for keeping this exceptional
(I'd say bugged) behavior, IMO. That's all.
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, (continued)
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/26
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Markus Triska, 2020/12/27
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/27
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/27
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/27
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/27
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face,
Drew Adams <=
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/28
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Markus Triska, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Markus Triska, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Drew Adams, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Eli Zaretskii, 2020/12/29
- bug#45428: 27.1; (quote (quote (quote ...))) unexpectedly works as anonymous face, Lars Ingebrigtsen, 2020/12/29