[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Invisibility bug: `invisible' vs `display'
From: |
Daniel Brockman |
Subject: |
Re: Invisibility bug: `invisible' vs `display' |
Date: |
Thu, 22 Feb 2007 22:23:07 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.92 (gnu/linux) |
David Kastrup <address@hidden> writes:
> Daniel Brockman <address@hidden> writes:
>
>> David Kastrup <address@hidden> writes:
>>
>>> Daniel Brockman <address@hidden> writes:
>>>
>>>> How can an overlay with identical start and end points
>>>> display anything?
>>>
>>> Using the display property. Are you sure that you understand the
>>> difference between overlays and text properties? Text properties are
>>> bound to characters, overlays to buffer positions.
>>
>> Well, I'm obviously confused. I thought overlay properties
>> applied to the characters under the overlay.
>
> They apply to the region between its buffer positions.
> Which is usually pretty similar to "characters under the
> overlay". But zero-length overlays exist and work, too,
> and when copying text from a buffer, overlay properties
> are not copied as part of the text.
I can't get zero-length overlays to display anything using
the `display' property. Here's what I'm doing:
(overlay-put (make-overlay (point) (point)) 'display "foo")
> You can even have overlays that are restricted to a single
> window displaying the buffer and will not have an effect
> on other windows showing the same buffer.
That's cool. I didn't know that.
--
Daniel Brockman <address@hidden>
- Re: Invisibility bug: `invisible' vs `display', (continued)
- Re: Invisibility bug: `invisible' vs `display', Daniel Brockman, 2007/02/21
- Re: Invisibility bug: `invisible' vs `display', Kim F. Storm, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', David Kastrup, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', Daniel Brockman, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', David Kastrup, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', Daniel Brockman, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', Johan Bockgård, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', David Kastrup, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', Daniel Brockman, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', David Kastrup, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display',
Daniel Brockman <=
- Re: Invisibility bug: `invisible' vs `display', David Kastrup, 2007/02/22
- Re: Invisibility bug: `invisible' vs `display', Daniel Brockman, 2007/02/23
- Re: Invisibility bug: `invisible' vs `display', Kim F. Storm, 2007/02/22