From: Dmitry Gutov <dgutov@yandex.ru>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 18285@debbugs.gnu.org
Subject: bug#18285: 24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice
Date: Fri, 22 Aug 2014 15:41:51 +0400 [thread overview]
Message-ID: <53F72C7F.7050108@yandex.ru> (raw)
In-Reply-To: <83bnrdauwa.fsf@gnu.org>
On 08/22/2014 10:41 AM, Eli Zaretskii wrote:
> I have no idea how rare it will be. FWIW, for the past year, all the
> display-related bugs are for pretty rare cases. What does that tell
> you about user expectations?
I dunno. Something's changing? For example, I've encountered this
specific bug now because the `report-emacs-bug' buffer uses `display' in
Emacs 24.4, but 24.3 used `intangible' there.
(And only after I've fixed another `display'-related bug in Company
popup rendering.)
>> Anyway, how about the other way around? I'll like this less, but why not
>> make `invisible' inactive when `display' is set?
>
> That's what Emacs does already. The only place where invisible still
> matters in this situation is when deciding how and where to display
> overlay strings. I thought I explained that earlier in this thread.
So, why not make it matter less? "If display is set, don't interpret
invisible" should be a straightforward piece of logic.
If `display' takes priority over `invisible', I would expect
(let ((pt (point)))
(insert (propertize "a" 'display "bbb"))
(let ((o (make-overlay pt (point))))
(overlay-put o 'after-string "foo\nbar")))
and
(let ((pt (point)))
(insert (propertize "a" 'display "bbb"))
(let ((o (make-overlay pt (point))))
(overlay-put o 'invisible t)
(overlay-put o 'after-string "foo\nbar")))
to be rendered the same.
> My opinion is that users and Lisp programmers should not enter these
> dark corners.
Yeah, maybe.
next prev parent reply other threads:[~2014-08-22 11:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-17 22:35 bug#18285: 24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice Dmitry
[not found] ` <handler.18285.B.140831493931056.ack@debbugs.gnu.org>
2014-08-18 1:06 ` bug#18285: Acknowledgement (24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice) Dmitry Gutov
2014-08-18 15:07 ` bug#18285: 24.3.92; A combination of `display' on text and `invisible' and `before/after-string' leads to the before/after string being displayed twice Eli Zaretskii
2014-08-21 14:07 ` Dmitry Gutov
2014-08-21 14:57 ` Eli Zaretskii
2014-08-21 15:40 ` Dmitry Gutov
2014-08-21 16:06 ` Eli Zaretskii
2014-08-22 0:58 ` Dmitry Gutov
2014-08-22 6:41 ` Eli Zaretskii
2014-08-22 11:41 ` Dmitry Gutov [this message]
2014-08-22 13:31 ` Eli Zaretskii
2014-08-22 20:01 ` Dmitry Gutov
2014-08-22 20:55 ` Eli Zaretskii
2014-08-24 1:28 ` Dmitry Gutov
2014-08-24 2:44 ` Eli Zaretskii
2014-08-23 23:21 ` Dmitry Gutov
2014-08-24 2:40 ` Eli Zaretskii
2014-08-24 2:48 ` Dmitry Gutov
2022-04-18 11:39 ` Lars Ingebrigtsen
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