From: "Stefan Monnier" <monnier+gnu/emacs@RUM.cs.yale.edu>
Cc: monnier+gnu/emacs@rum.cs.yale.edu, emacs-devel@gnu.org,
David.Kastrup@t-online.de (David Kastrup)
Subject: Re: Should invisible imply intangible?
Date: Tue, 12 Mar 2002 12:56:16 -0500 [thread overview]
Message-ID: <200203121756.g2CHuG514941@rum.cs.yale.edu> (raw)
In-Reply-To: 200203111906.g2BJ6BY04591@wijiji.santafe.edu
> > I could agree to it but only in the case where the screen representation
> > is really empty, so that both cursor positions are displayed in the same
> > way.
> >
> > That is the case we are talking about.
>
> I do not know how to detect that case robustly.
>
> Whenever the text is invisible and does not display an ellipsis.
> The value of TEXT_PROP_MEANS_INVISIBLE will tell you whether this
> is the case.
That much I know, but the problem is when there's some other property
like a `display' property that ends up displaying something.
> But some texts can have both an image and the invisible property.
>
> Shouldn't that make the image invisible? The image property should
> have no effect when the text is invisible. (It doesn't matter what
> the text wou;d looks like, if you don't see it.)
>
> Is that not what happens now?
It seems not since David uses display+invisible when replacing TeX source
code with an image of the output in his preview-latex package (the `invisible'
property seems useless at first, but he uses it so he can use the
isearch-open-invisible hook).
> In my experience
> most cases where I encounter invisible text (and where point can easily
> end up inside the invisible text) is with things like outline-minor-mode
> and hs-minor-mode (i.e. text replaced by ellisps), so that's what I consider
> as the most important case to handle.
>
> What you want is right for that case, the case where an ellipsis is
> displayed. I am talking about what to do in the other case, the case
> where the text is not replaced by an ellipsis.
>
> It looks like you have another kind of scenario in mind, but I don't know
> what it looks like.
>
> The scenario is one where message header lines are marked as invisible
> using overlays, the goal being to hide them.
Any reason why those cannot explicitly use the `intangible' property ?
Stefan
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next prev parent reply other threads:[~2002-03-12 17:56 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-23 20:19 Should invisible imply intangible? Richard Stallman
2002-02-23 21:24 ` Paul Michael Reilly
2002-02-25 0:09 ` Richard Stallman
2002-02-25 5:10 ` Stefan Monnier
2002-02-26 20:13 ` Richard Stallman
2002-03-01 1:30 ` Stefan Monnier
2002-03-03 14:40 ` Richard Stallman
2002-03-03 17:11 ` Stefan Monnier
2002-03-04 23:41 ` Richard Stallman
2002-03-04 23:46 ` Stefan Monnier
2002-03-05 1:40 ` Stefan Monnier
2002-03-07 2:30 ` Richard Stallman
2002-03-04 23:41 ` Richard Stallman
2002-03-05 21:58 ` Richard Stallman
2002-03-05 23:04 ` Stefan Monnier
2002-03-05 23:34 ` Stefan Monnier
2002-03-09 20:03 ` Richard Stallman
2002-03-09 22:37 ` Stefan Monnier
2002-03-10 21:32 ` Richard Stallman
[not found] ` <200203102202.g2AM26q06798@rum.cs.yale.edu>
2002-03-11 19:06 ` Richard Stallman
2002-03-12 17:56 ` Stefan Monnier [this message]
2002-03-13 10:58 ` Richard Stallman
2002-03-13 11:19 ` David Kastrup
2002-03-15 3:41 ` Richard Stallman
2002-03-15 11:47 ` David Kastrup
2002-03-16 6:39 ` Richard Stallman
2002-03-16 11:58 ` David Kastrup
2002-03-18 9:06 ` Richard Stallman
2002-03-18 23:36 ` David Kastrup
2002-03-19 7:24 ` Eli Zaretskii
2002-03-19 11:12 ` David Kastrup
2002-03-16 0:22 ` Stefan Monnier
2002-03-16 0:56 ` Miles Bader
2002-03-16 0:59 ` Stefan Monnier
2002-03-16 1:25 ` David Kastrup
2002-03-17 10:06 ` Richard Stallman
2002-03-16 1:18 ` David Kastrup
2002-03-16 1:28 ` Stefan Monnier
2002-03-16 2:16 ` David Kastrup
2002-03-16 3:29 ` Miles Bader
2002-03-16 4:05 ` David Kastrup
2002-03-23 23:37 ` David Kastrup
2002-03-13 13:06 ` Stefan Monnier
2002-03-13 14:15 ` David Kastrup
2002-03-13 16:53 ` Stefan Monnier
2002-03-14 12:42 ` Richard Stallman
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