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Re: variable width space display property value has no effect in empty o
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From: |
David Kastrup |
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Subject: |
Re: variable width space display property value has no effect in empty overlay |
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Date: |
12 Jun 2003 16:32:21 +0200 |
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User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 |
Richard Stallman <rms@gnu.org> writes:
> That creates an overlay spanning 0 characters at the beginning
> of the *scratch* buffer, with the display property set to (space
> :align-to 4). But the buffer display is not affected.
>
> That is because no character has the display property.
An overlay spanning 0 characters with a display property set to an
image displays the image (when the move-on-insertion properties of the
overlay ends are equal, it serves more or less as a visible marker).
It does not seem consistent if other display properties intended to
mask the underlying character range (even if empty) do not behave
likewise.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum