GNU bug report logs - #20832
25.0.50; todo-show accidentally deleted my todo file.

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Message #14 received at 20832 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Nicolas Richard <nrichard <at> members.fsf.org>, 
 Stephen Berman <stephen.berman <at> gmx.net>
Cc: 20832 <at> debbugs.gnu.org
Subject: Re: bug#20832: 25.0.50; todo-show accidentally deleted my todo file.
Date: Fri, 19 Jun 2015 08:43:50 +0200

> This is bad :'( It seems one should not change the buffer in a minibuffer
> window. Perhaps it would be good if this was documented in
> the docstring of set-window-buffer.

You should use ‘set-window-buffer’ in application programs only if you
know what you're doing.  From the Elisp manual:

     When writing an application, you should normally use the
     higher-level functions described in *Note Switching Buffers::,
     instead of calling `set-window-buffer' directly.

While the minibuffer window is selected, ‘minibuffer-selected-window’
can be used to get the previously selected window.

martin

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