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Re: Fwd: overlay face property not used for after-string property
From: |
Stefan Monnier |
Subject: |
Re: Fwd: overlay face property not used for after-string property |
Date: |
Mon, 22 Oct 2007 11:44:11 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/23.0.50 (gnu/linux) |
> Would someone please fix this, then ack?
I don't think I can fix it, but I remember discussion of something similar
a few years ago where the conclusion was thatit was better to not apply a
property of the overlay (e.g. `face' although I believe the discussion was
about `invisible') to the (after|before)-string because it's easier to add
this property manually to the relevant string than to "undo" the effect of
the overlay's property from the string.
Stefan
> ------- Start of forwarded message -------
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> autolearn=failed version=3.1.0
> To: address@hidden
> From: Joe Wells <address@hidden>
> Date: Sun, 21 Oct 2007 04:14:55 +0100
> MIME-Version: 1.0
> Content-Type: text/plain; charset=utf-8
> Subject: overlay face property not used for after-string property
> BUG:??An overlay's face property is applied to its before-string
> and display properties, but not to its after-string property.
> Reproduce with this expression (see below for definition of
> test-in-fresh-buffer-and-window):
> (test-in-fresh-buffer-and-window
> (insert "123")
> (let ((o (make-overlay 2 3)))
> (overlay-put o 'before-string "B")
> (overlay-put o 'after-string "A")
> (overlay-put o 'display "D")
> (overlay-put o 'face 'highlight)))
> This displays ?1BDA3?. The ?BDA? portion should be displayed
> with face ?highlight?, which means that the background should be
> colored ?darkseagreen2?. However, only the ?BD? portion is
> displayed with face ?highlight? and the ?A? portion is wrongly
> not displayed with any special face.
> I'm assuming the following macro definition in my reproduction
> code above:
> (defmacro test-in-fresh-buffer-and-window (&rest body)
> `(progn
> (delete-other-windows)
> (kill-buffer (get-buffer-create "xyzzy"))
> (let ((xyzzy-buf (get-buffer-create "xyzzy")))
> (set-buffer xyzzy-buf)
> (display-buffer xyzzy-buf)
> ,@body
> )))
> I hope this bug report is helpful.
> Joe
> ======================================================================
> In GNU Emacs 22.1.1 (i686-pc-linux-gnu, GTK+ Version 2.8.20)
> of 2007-06-27 on artemis
> Windowing system distributor `The X.Org Foundation', version 11.0.70000000
> configured using `configure '--prefix=/home/jbw/local2' '--enable-debug'
> '--disable-nls' '--with-x-toolkit=gtk' 'CFLAGS=-O0 -g3 -ggdb''
> Important settings:
> value of $LC_ALL: nil
> value of $LC_COLLATE: nil
> value of $LC_CTYPE: en_US.UTF-8
> value of $LC_MESSAGES: nil
> value of $LC_MONETARY: nil
> value of $LC_NUMERIC: nil
> value of $LC_TIME: jbw
> value of $LANG: nil
> locale-coding-system: utf-8
> default-enable-multibyte-characters: t
> Minor modes in effect:
> TeX-source-specials-mode: t
> outline-minor-mode: t
> desktop-save-mode: t
> url-handler-mode: t
> tooltip-mode: t
> mouse-wheel-mode: t
> file-name-shadow-mode: t
> global-font-lock-mode: t
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> auto-compression-mode: t
> temp-buffer-resize-mode: t
> size-indication-mode: t
> line-number-mode: t
> transient-mark-mode: t
> ------- End of forwarded message -------
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