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bug#6324: 24.0.50; vc modeline is not updated when buffer mode is change


From: Stefan Monnier
Subject: bug#6324: 24.0.50; vc modeline is not updated when buffer mode is changed
Date: Tue, 08 Jun 2010 21:14:15 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

> Here is a patch that corrects the problem:

> --- lisp/vc-hooks.el  2010-04-09 17:19:53 +0000
> +++ lisp/vc-hooks.el  2010-06-01 12:24:32 +0000
> @@ -877,6 +877,7 @@ current, and kill the buffer that visits
>    (when buffer-file-name
>      (vc-file-clearprops buffer-file-name)
>      (add-hook 'mode-line-hook 'vc-mode-line nil t)
> +    (put 'mode-line-hook 'permanent-local t)
>      (let (backend)
>        (cond
>         ((setq backend (with-demoted-errors (vc-backend buffer-file-name)))

Thank you very much for the test case and the patch.  I've installed
a slightly more extensive fix in the emacs-23 branch.


        Stefan






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