From: Torsten Hilbrich <email@myrkr.in-berlin.de>
Subject: Strange behaviour of track-mouse and make-local-variable
Date: Sun, 26 May 2002 18:40:27 +0200 [thread overview]
Message-ID: <877klqsw04.fsf@myrkr.in-berlin.de> (raw)
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In GNU Emacs 21.2.1 (i386-debian-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2002-03-22 on raven, modified by Debian
configured using `configure i386-debian-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --with-x=yes --with-x-toolkit=athena --without-gif'
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: de_DE
value of $LC_MESSAGES: POSIX
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: de_DE
locale-coding-system: iso-latin-1
default-enable-multibyte-characters: t
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
=========================================================================
Here is a short example what seems to be wrong:
;; first statement
(progn
(make-local-variable 'track-mouse)
(if (local-variable-p 'track-mouse)
(message "okay")
(error "Error"))
(with-output-to-temp-buffer "*Help*"
nil)
(delete-other-windows))
;; second statement
(if (local-variable-p 'track-mouse)
(message "okay")
(error "Error"))
All the statements must be manually evaluated using C-x C-e
(eval-last-sexp), I was unable to reproduce this error using
eval-region yet). It seems that the return to toplevel before the
second statement is essential to trigger that bug.
Normally I would expect that these statements completes without any
error message, however in my experiments the last statement yields the
error message.
This behaviour can hardly be normal, it is too scary ;-)
If I replace the builtin variable track-mouse by another variable
(tested with 'test) the above error is not triggered.
I also tested the current CVS version (21.3.50.1, updated some minutes
ago) and got the same behaviour in this emacs version.
Regards,
Torsten
=========================================================================
Recent input:
v a r i a b l e SPC i s SPC s t i l l SPC m a r k e
d SPC a s SPC l o c a l : M-q <M-return> C-x k <return>
y e s <return> g <down-mouse-2> <mouse-2> <help-echo>
<help-echo> t SPC C-u g SPC M-u q <up> <return> <return>
t t n n n n n n n n n n <up> <return> SPC n n SPC n
n n n n n n n <help-echo> <down-mouse-1> <mouse-1>
M-u q g M-x r e p o <tab> r t <tab> <return>
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next reply other threads:[~2002-05-26 16:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-26 16:40 Torsten Hilbrich [this message]
2002-05-27 22:56 ` Strange behaviour of track-mouse and make-local-variable Richard Stallman
2002-05-30 19:21 ` Torsten Hilbrich
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