GNU bug report logs - #1222
overlay display inherits face properties from buffer

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Message #3 received at quiet <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: quiet <at> debbugs.gnu.org
Subject: overlay display inherits face properties from buffer
Date: Tue, 21 Oct 2008 20:57:56 -0400

Package: emacs
Version: 23.0.60
Severity: minor

This bug is extracted from #1176, which contained several issues.

The display property of an overlay inherits face properties from the
following buffer text. The workaround is to fully specify the face
properties of the display text.

Example:

(let ((buff (generate-new-buffer "overlay test"))
      o)
  (with-current-buffer buff
    (insert (propertize "text" 'face '(:background "red")))
    (setq o (make-overlay (point-min) (point-max)))
    (overlay-put o 'display "display")
;;;    (overlay-put o 'display (propertize "display" 'face 'default))
    (pop-to-buffer buff)))

"display" has a red background. The commented out part shows the
workaround.

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