From: Eli Zaretskii <eliz@gnu.org>
To: Dmitry Gutov <dgutov@yandex.ru>, martin rudalics <rudalics@gmx.at>
Cc: 28855@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
John Wiegley <johnw@gnu.org>
Subject: bug#28855: 26.0.90; display-line-numbers-mode does not respect (line|wrap)-prefix '(space :align-to N) text property
Date: Wed, 18 Oct 2017 19:47:31 +0300 [thread overview]
Message-ID: <83h8uwe730.fsf@gnu.org> (raw)
In-Reply-To: <3fdce54f-f704-66df-75db-843dbd98ec50@yandex.ru> (message from Dmitry Gutov on Wed, 18 Oct 2017 12:29:08 +0300)
> Cc: 28855@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Wed, 18 Oct 2017 12:29:08 +0300
>
> FTR, I'd have preferred for the line numbers to be considered outside of
> the window edge, together with fringes and margins. And I still don't
> see any downside to it (except it might be harder to implement).
Well, "harder to implement" is very relevant here ;-)
Also, "outside of the window edge" has implications besides text
layout, and I trust Martin's judgment (which happens to match mine)
that we should try letting those sleeping dogs lie.
In any case, this opinion of yours probably means that having
:align-to automatically update its offsets to account for the line
numbers is in the direction you wanted Emacs to go, albeit not all the
way, right? I mean, it does make Emacs behave as if line numbers were
not part of the text area in this case.
> As it is now, third-party code has to adapt instead, by handling the
> line numbers specially.
Yes. But this is nothing new, it happens with almost every
display-related feature.
> > But maybe :align-to should be an exception, when
> > used to align buffer text (as opposed to header-line or mode-line)?
> > Though I'm bothered whether some users of :align-to may not want this
> > automatic offset. :align-to is a very popular feature; does anyone
> > know or imagine why a Lisp program would NOT like such an offset?
> >
> > What do people think? Dmitry, what about company-mode popups, for
> > example?
>
> Not sure. What about them? We don't use align-to in the popups (though
> we could, for space-only offsets, now that I've read about this spec;
> not sure if the change will be worth it, performance or memory-wise).
>
> And as for align-to's used in the buffer text, we probably don't support
> them very well, but the proposed change shouldn't make it any worse, I
> think.
OK, thanks.
Martin, any comments or thoughts about this, before I go out and make
the code changes to implement this?
Anybody else? Stefan? John?
TIA
next prev parent reply other threads:[~2017-10-18 16:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-16 3:38 bug#28855: 26.0.90; display-line-numbers-mode does not respect (line|wrap)-prefix '(space :align-to N) text property Paul Rankin
2017-10-16 16:05 ` Eli Zaretskii
2017-10-17 0:47 ` Paul Rankin
2017-10-17 2:44 ` Eli Zaretskii
2017-10-17 4:04 ` Eli Zaretskii
2017-10-17 4:32 ` Paul Rankin
2017-10-17 5:49 ` Eli Zaretskii
2017-10-17 7:17 ` Paul Rankin
2017-10-18 9:29 ` Dmitry Gutov
2017-10-18 16:47 ` Eli Zaretskii [this message]
2017-10-18 17:44 ` martin rudalics
2017-10-18 17:55 ` Eli Zaretskii
2017-10-20 9:40 ` Eli Zaretskii
2017-10-18 18:05 ` Eli Zaretskii
2017-10-18 18:34 ` martin rudalics
2017-10-18 18:44 ` Eli Zaretskii
2017-10-18 23:58 ` Alex
2017-10-19 3:26 ` Eli Zaretskii
2017-10-19 5:54 ` Alex
2017-10-20 7:03 ` Eli Zaretskii
2017-10-18 22:52 ` Dmitry Gutov
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