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Re: buffer-read-only is always t at text-mode-hook time
From: |
Kevin Rodgers |
Subject: |
Re: buffer-read-only is always t at text-mode-hook time |
Date: |
Wed, 11 Aug 2004 09:33:50 -0600 |
User-agent: |
Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:0.9.4.1) Gecko/20020406 Netscape6/6.2.2 |
Dan Jacobson wrote:
> Perhaps this would work:
> (add-hook 'text-mode-hook (lambda ()
> (or buffer-read-only (and(turn-on-auto-fill)(flyspell-mode 1)))))
> But buffer-read-only is always true when text-mode-hook is evaluated
> apparently.
I can't replicate that on GNU Emacs 21.3.1 (i386-pc-solaris2.7, X toolkit).
I started emacs with the -q --no-site-file switches and evaluated this
in the *scratch* buffer:
(add-hook 'text-mode-hook
(lambda () (message "buffer-read-only is %s" buffer-read-only)))
Then I invoked text mode several different ways (via M-x, via
default-major-mode, and via auto-mode-alist on both new and existing
files), and each time the echo area said "buffer-read-only is nil".
> While a fix is being made, any workarounds?
>
> You see I don't want to turn on flyspell-mode for files I have no hope
> of editing.
Your code above ought to work, except that you depend on the result of
turn-on-auto-fill, whose return value is not documented. Use progn
instead of `and'.
> flyspell.el might add an example of how not to turn on flyspell-mode
> for files one has no hope of editing.
But you figured it out easily enough, no?
> P.S. the Info, the first hooks example
> (add-hook 'text-mode-hook 'turn-on-auto-fill)
> should also show how to not turn it on for files one has no hope of editing.
Why? auto-fill is only invoked if they make a change (insert a space
at the end of a line), and if that's what the user wants it should
work if they M-x toggle-read-only.
> While there, tell folks how also to set a hook just in case they need
> to override. Don't only mention just add-hook.
Bad idea.
> BTW, I also don't want to turn on flyspell-mode for files that are
> real big.
C-h f buffer-size
--
Kevin Rodgers
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