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bug#728: 23.0.60; flyspell checking is sometimes silently disabled
From: |
Markus Triska |
Subject: |
bug#728: 23.0.60; flyspell checking is sometimes silently disabled |
Date: |
Thu, 21 Aug 2008 22:15:57 -0400 |
Chong Yidong <cyd@stupidchicken.com> writes:
> Have you found a way to track down the problem causing this bug?
I have set debug-on-error to t, so the next time I see this problem, I
hope to catch which function raises the error. I already know that it is
either preview-move-point (from AUCTeX) or flyspell-post-command-hook.
Thus, especially if an AUCTeX user reads this: If you want to help to
debug this problem, please add the following to your .emacs:
(defun my-flyspell-check ()
(when flyspell-mode
(unless (memq 'flyspell-post-command-hook post-command-hook)
(with-current-buffer (get-buffer-create "flywarn")
(insert "flychecking inactive despite flyspell-mode!\n"))
(display-buffer "flywarn"))))
(setq flycheck-timer (run-with-timer 0 0.5 'my-flyspell-check))
and it will warn you when Flyspell is no longer really active.
Also, as I mentioned: I find it fair enough that Flyspell is disabled
when there are errors; I only wish that there were a general mechanism
to disable it in a cleaner way in case of errors, i.e., existing
underlines should be removed, the mode line should reflect that it is no
longer active etc. In short, when flyspell-post-command-hook must be
removed from post-command-hook, also (flyspell-mode 0) or anything
equivalent should be done. Analogously for some other modes (linum.el is
another example, where errors in a custom linum-format function should
make Emacs disable the minor mode completely, thus removing it from
other hooks as well).