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How to set up a minor mode depending on a major mode?
From: |
tomas |
Subject: |
How to set up a minor mode depending on a major mode? |
Date: |
Mon, 11 May 2009 13:43:17 +0200 |
User-agent: |
Mutt/1.5.15+20070412 (2007-04-11) |
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Hi, Emacs-folks
I'd like to set up some minor mode whenever a major mode is switched on.
I gather that the recommended method seems to be to hook into the major
mode hook like so:
(add-hook 'am-mode-hook '(lambda () (visual-line-mode t)))
(i.e. switch visual-line-mode on whenever am-mode-hook is swiitched on).
However, this doesn't work, and I have tracked it back to the standard
major-mode machinery doing a (kill-all-local-variables) sweeping away
whatever tidbits the minor mode needs to survive.
Now I could look into the minor mode and declare every variable needed
by it as 'permanent-local, but that feels quite awkward.
Is there a better way? Am I missing something?
Thanks
- -- tomás
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