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bug#8323: 23.3; Hl-Line mode

From: Konrad Podczeck
Subject: bug#8323: 23.3; Hl-Line mode
Date: Tue, 22 Mar 2011 23:33:49 +0100

I observed the following with Emacs 23.3:

Turn Global-Hl-Line mode on, and open any text file. Then do M-x occur Ret, 
some word Ret, so as to get two windows, one with the text file, the other with 
the occur buffer. Now by default, the variable HL-Line-Sticky-Flag is set to 
non-nil, which, according to the documentation of that variable, means that the 
current line is highlighted in all windows. However, this seems not to work: 
Switching between the two windows, you see only the current line in the 
selected window to be highlighted.

This becomes a problem, in particular, when one does M-x 
next-error-follow-minor-mode in the window with the occur buffer. After this, 
moving the down or up arrow key in the occur buffer window leads, as it should, 
the cursor in the other window to move to the corresponding line there, but as 
that line, even though it becomes the "current line", does not become 
highlighted, there is some visibility problem, which would disappear would 
HL-Line-Sticky-Flag being set to non-nil work as advertised.


In GNU Emacs 23.3.1 (x86_64-apple-darwin, NS apple-appkit-1038.35)
of 2011-03-10 on black.porkrind.org
Windowing system distributor `Apple', version 10.3.1038
configured using `configure  '--host=x86_64-apple-darwin' 
'--build=i686-apple-darwin' '--with-ns' 'build_alias=i686-apple-darwin' 
'host_alias=x86_64-apple-darwin' 'CC=gcc -mmacosx-version-min=10.5''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<menu-bar> <help-menu> <send-emacs-bug-report>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

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None found.

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