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bug#12338: 24.2.50; Error during redisplay (apropos which-function-mode?
From: |
Eli Zaretskii |
Subject: |
bug#12338: 24.2.50; Error during redisplay (apropos which-function-mode?) |
Date: |
Mon, 03 Sep 2012 00:32:12 +0300 |
> From: Jambunathan K <kjambunathan@gmail.com>
> Date: Mon, 03 Sep 2012 02:28:37 +0530
>
>
> My message buffer is getting populated with these messages
>
> ,----
> | Error during redisplay: (eval (replace-regexp-in-string "%" "%%"
> | (gethash (selected-window) which-func-table which-func-unknown)))
> | signaled (wrong-type-argument arrayp nil)
> `----
>
> I have following configs that concerns `which-function-mode'
>
> ,----
> | 2 matches for "which" in buffer: .emacs
> | 84: '(which-function-mode t))
> | 111: '(which-func ((t (:inherit font-lock-function-name-face))))
> `----
>
> Can someone remove these messages or fix underlying problem?
The messages cannot be removed: this is the only way to signal an
error that happens during redisplay, without wedging Emacs. That's
because displaying an error message in the normal way re-enters
redisplay, which will again signal an error, ad nauseam.
As you can see in which-func.el, the expression being evaluated is
which-func-current, which is part of which-func-format. Hopefully,
this is enough to find the culprit. (I don't see the error messages
if I just enable which-func-mode in 'emacs -Q".)