GNU bug report logs - #5129
23.1.50; adding font-lock-keywords for face highlight

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Package: emacs;

Reported by: "Roland Winkler" <Roland.Winkler <at> physik.uni-erlangen.de>

Date: Sat, 5 Dec 2009 19:20:04 UTC

Severity: normal

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

Full log

Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: "Roland Winkler" <Roland.Winkler <at> physik.uni-erlangen.de>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.1.50; adding font-lock-keywords for face highlight
Date: Sat, 05 Dec 2009 13:15:31 -0600

The highlight face is somehow treated special in an odd way:

If I eval the following in a buffer it will highlight all occurences
of "foo" as expected:

  (font-lock-add-keywords nil '(("foo" . font-lock-constant-face)))

Yet when I do instead

  (font-lock-add-keywords nil '(("foo" . highlight)))

it gives me the message (in the *Messages* buffer)

  Invalid face reference: 0

When I put point at the position of the string "foo" and evaluate

  (get-text-property (point) 'face)

this gives me

  (0 highlight)

which probably explains the "invalid face reference" error.
Why is the face `0' added?


In GNU Emacs 23.1.50.1 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2009-12-04 on regnitz
Windowing system distributor `The X.Org Foundation', version 11.0.10502000

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: en_GB.utf8
  value of $LANG: en_US.ISO-8859-15
  value of $XMODIFIERS: nil
  locale-coding-system: iso-latin-9-unix
  default enable-multibyte-characters: t
This bug report was last modified 15 years and 229 days ago.

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