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address@hidden: change to file on disk not noticed by indirect buffer]
From: |
Richard Stallman |
Subject: |
address@hidden: change to file on disk not noticed by indirect buffer] |
Date: |
Wed, 05 Jul 2006 10:51:41 -0400 |
The failure to ask the user whether to update the buffer
is certainly a bug. Would someone please fix it and ack?
The behavior of find-alternate-file is also surely not good, but I am
not sure what it should do instead. The ideal would be to substitute
the new file in the base buffer and its indirect buffers, without
otherwise altering the differences between them. But that is probably
quite hard, so it would be better to do something else that's at least
sensible.
------- Start of forwarded message -------
To: address@hidden
From: Joe Edmonds <address@hidden>
Date: Mon, 03 Jul 2006 11:35:05 -0700
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Subject: change to file on disk not noticed by indirect buffer
X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=failed
version=3.0.4
Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.
Your bug report will be posted to the address@hidden mailing list.
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
I really like using indirect buffers to edit different parts of the
same file with different buffer settings (mode, point, mark, position
in buffer stack, etc).
But I've noticed that an indirect buffer doesn't behave the way a
normal buffer does with regard to a file that is changed from outside
emacs. Here's how to reproduce the problem:
echo foo >>/tmp/foo # in a shell outside emacs
C-x C-f /tmp/foo
M-x clone-indirect-buffer
echo bar >>/tmp/foo # in a shell outside emacs
Now, insert some text in the indirect buffer.
You don't get the nice "foo changed on disk; really edit the buffer?"
prompt emacs normally gives you if you try to edit the base buffer.
Also, find-alternate-file destroys the correspondence of indirect
buffers and base buffers. If you do it in a base buffer, all indirect
buffers are killed. If you do it in an indirect buffer, you're
not an indirect buffer anymore. If there were a "refresh base buffer
and all its indirect buffers from disk" function, that would make
working with indirect buffers easier for me.
Cheers,
Joe
If emacs crashed, and you have the emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/22.0.50/etc/DEBUG for instructions.
In GNU Emacs 22.0.50.1 (i486-pc-linux-gnu, GTK+ Version 2.8.10)
of 2006-01-16 on vernadsky, modified by Debian
X server distributor `The X.Org Foundation', version 11.0.60802000
configured using `configure '--build' 'i486-linux-gnu' '--host'
'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
'--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info'
'--mandir=/usr/share/man' '--with-pop=yes'
'--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/22.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.0.50/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.0.50/leim'
'--with-x=yes' '--with-x-toolkit=gtk' 'CFLAGS=-DDEBIAN -g -Wno-pointer-sign
-O2' 'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8
default-enable-multibyte-characters: t
Major mode: Mason[HTML]
Minor modes in effect:
auto-insert-mode: t
erc-autojoin-mode: t
erc-button-mode: t
erc-ring-mode: t
erc-pcomplete-mode: t
erc-track-mode: t
erc-fill-mode: t
erc-netsplit-mode: t
erc-irccontrols-mode: t
erc-noncommands-mode: t
show-paren-mode: t
tooltip-mode: t
auto-compression-mode: t
tool-bar-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
unify-8859-on-encoding-mode: t
utf-translate-cjk-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
C-x C-s M-x c l o n <tab> i <tab> <return> t g v C-x
C-s n o <return> C-x o M-> <return> x y z C-x C-s n
o <return> <help-echo> <help-echo> <help-echo> C-x
C-s y e s <return> y C-x o C-x C-v f o <tab> o <tab>
<return> C-h k C-x C-v <help-echo> <help-echo> C-x
o C-x k <return> C-x o M-x a p r o p o <tab> <return>
i n d i r e c t <return> <help-echo> <help-echo> <help-echo>
C-x o C-x k <return> <help-echo> M-x r e p o <tab>
r <tab> <return>
Recent messages:
Mark set
basic-save-buffer: Save not confirmed
Auto-saving...
foo.txt changed on disk; really edit the buffer? (y, n, r or C-h)
File on disk now will become a backup file if you save these changes.
Wrote /tmp/foo.txt
Making completion list...
Type C-x 4 b RET to restore the other window.
Making completion list...
Loading emacsbug...done
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------- End of forwarded message -------
- address@hidden: change to file on disk not noticed by indirect buffer],
Richard Stallman <=