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Re: Overlay mechanic improvements
From: |
Richard Stallman |
Subject: |
Re: Overlay mechanic improvements |
Date: |
Mon, 22 Sep 2014 19:11:31 -0400 |
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> Why not? If the images are thought of as part of the buffer contents,
They most emphatically aren't. Search and replace works on the
underlying text (invalidating the image when a replace happens),
incremental search works on the underlying text (temporarily removing
the image), saving saves the underlying text, all editing commands apply
to the underlying text.
Could you explain to me why this is right?
I never used that feature, so I don't understand the context.
You
basically say "let's ignore all the mismatching semantics because the
performance of overlays is bad".
No, I am not saying that. I am saying something else:
> I'd expect it to be desirable that they follow text that is copied.
> If you kill text that contains some of these images of math
> and then yank it back, shouldn't it come back with the images?
> This is what lead me to think of text properties first for this job.
Since you say that is not the desired behavior, I'd like to understand
why not.
What is a scenario for editing the text that is under the image
overlay, and what is the right behavior?
--
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org www.gnu.org
Skype: No way! That's nonfree (freedom-denying) software.
Use Ekiga or an ordinary phone call.
- Overlay mechanic improvements, Vladimir Kazanov, 2014/09/19
- Re: Overlay mechanic improvements, Stefan Monnier, 2014/09/19
- Re: Overlay mechanic improvements, Richard Stallman, 2014/09/20
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/20
- Re: Overlay mechanic improvements, Richard Stallman, 2014/09/21
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/21
- Re: Overlay mechanic improvements, Richard Stallman, 2014/09/21
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/21
- Re: Overlay mechanic improvements,
Richard Stallman <=
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/22
- Re: Overlay mechanic improvements, Richard Stallman, 2014/09/23
- Re: Overlay mechanic improvements, Stefan Monnier, 2014/09/21
- Re: Overlay mechanic improvements, Eli Zaretskii, 2014/09/21
- Re: Overlay mechanic improvements, Stefan Monnier, 2014/09/21
- Re: Overlay mechanic improvements, Eli Zaretskii, 2014/09/21
- Re: Overlay mechanic improvements, Stefan Monnier, 2014/09/21
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/21
- Re: Overlay mechanic improvements, Richard Stallman, 2014/09/21
- Re: Overlay mechanic improvements, David Kastrup, 2014/09/21