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Re: Invalid function error in cl.el
From: |
Pascal Bourguignon |
Subject: |
Re: Invalid function error in cl.el |
Date: |
Wed, 22 Feb 2006 22:36:41 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
John Russell <jorussel@cisco.com> writes:
> I am using emacs 21.4.1 on Gentoo with buffer-stack.el. Briefly its a
> fairly common extension that allows you to switch quickly between
> active buffers. I have used it for years with no problems. Great,
> you say, but why do I care?
>
> Recently whenever I try to call buffer-stack-up or buffer-stack-down (
> the main entry points for buffer-stack ) I get the following error
>
> buffer-stack-move: Invalid function: (macro lambda (place &optional x)
> "Increment PLACE by X (1 by default).
> PLACE may be a symbol, or any generalized variable allowed by `setf'.
> The return value is the incremented value of PLACE." (if (symbolp
> place) (list (quote setq) place (if x (list (quote +) place x) (list
> (quote 1+) place))) (list (quote callf) (quote +) place (or x 1))))
>
> I have tried reinstalling emacs, removing other things from my config,
> byte compiled, not byte compiled, on an empty stomach, nothing helps.
> The thing that kills me is that this has worked for so long and now
> it doesn't. It has to be something I did, but I can't for the life of
> me figure it out. Any ideas? Thanks a lot.
The form:
(macro lambda (place &optional x)
"Increment PLACE by X (1 by default).
PLACE may be a symbol, or any generalized variable allowed by `setf'.
The return value is the incremented value of PLACE." (if (symbolp
place) (list (quote setq) place (if x (list (quote +) place x) (list
(quote 1+) place))) (list (quote callf) (quote +) place (or x 1))))
is not a function. It looks like the body of the incf macro.
Perhaps buffer-stack.el tries to funcall (symbol-function 'incf) ?
It should avoid incf, since it's defined as a macro in cl-macs.el
--
__Pascal Bourguignon__ http://www.informatimago.com/
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