GNU bug report logs - #5042
23.1; linum-mode gives incorrect line numbers with narrowed buffers

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Package: emacs;

Reported by: mark.lillibridge <at> hp.com

Date: Thu, 26 Nov 2009 00:45:04 UTC

Severity: wishlist

Merged with 9917, 16173

Found in versions 24.0.90, 24.3.50

Forwarded to http://lists.gnu.org/archive/html/emacs-devel/2010-06/msg00143.html

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From: Juanma Barranquero <lekktu <at> gmail.com>
To: mark.lillibridge <at> hp.com
Cc: 5042 <at> debbugs.gnu.org, control <at> debbugs.gnu.org
Subject: bug#5042: 23.1; linum-mode gives incorrect line numbers with  narrowed buffers
Date: Tue, 1 Dec 2009 01:32:26 +0100

X-Debbugs-CC: markus.triska <at> gmx.at
quit

On Thu, Nov 26, 2009 at 01:39, Mark Lillibridge <mark.lillibridge <at> hp.com> wrote:

>    Linum-mode does not work correctly with buffers that have been
> narrowed.  As a simple example, type ^h i.  You will note that the first
> line is assigned line number one.  You can verify that this is wrong
> either by using goto-line

Let's hear Markus' opinion, but IMHO that's not necessarily a bug.
Linum's function is to add line numbers, but these do not have to
correspond to buffer lines. For example, nothing stops you from doing

  (defvar my-num 1000)
  (make-variable-buffer-local 'my-num)

  (setq linum-format (lambda (n) (format "%4d" (+ n my-num))))


    Juanma
This bug report was last modified 4 years and 228 days ago.

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