GNU bug report logs - #13730
24.3.50; Diff from Bzr-Log-View not highlighted

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From: Richard Copley <rcopley <at> gmail.com>
To: 13730 <at> debbugs.gnu.org
Cc: Glenn Morris <rgm <at> gnu.org>
Subject: bug#13730: 24.3.50; Diff from Bzr-Log-View not highlighted
Date: Sun, 17 Feb 2013 05:27:52 +0000

> Unfortunately font-lock gets turned off in a change-major-mode-hook
> function (font-lock-change-mode in "font-core.el"), which doesn't seem
> to have been anticipated.

Sorry, that's a red herring, it has nothing to do with font-lock-change-mode.

Now that turning a minor mode off during a major mode function
disables the corresponding global minor mode, turning the minor mode
back on should re-enable the global minor mode, as in the patch below.

(In Emacs trunk, whitespace mode is turned on in diff mode by a
directory-local variable. Thus the function `whitepace-turn-on' is
called from inside the diff-mode major mode function; but
`whitespace-turn-on' turns font lock off and turns it back on again.)

=== modified file 'lisp/emacs-lisp/easy-mmode.el'
*** lisp/emacs-lisp/easy-mmode.el	2013-02-15 20:01:51 +0000
--- lisp/emacs-lisp/easy-mmode.el	2013-02-17 05:18:06 +0000
***************
*** 461,468 ****
         ;; kill-all-local-variables.
         (defvar-local ,disable-MODE nil)
         (defun ,MODE-disable-in-buffer ()
! 	 (unless ,mode
! 	   (setq ,disable-MODE t)))
         (put ',MODE-disable-in-buffer 'definition-name ',global-mode))))

  ;;;
--- 461,467 ----
         ;; kill-all-local-variables.
         (defvar-local ,disable-MODE nil)
         (defun ,MODE-disable-in-buffer ()
!          (setq ,disable-MODE (not ,mode)))
         (put ',MODE-disable-in-buffer 'definition-name ',global-mode))))

  ;;;

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