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From: martin rudalics <rudalics@gmx.at>
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Subject: Re: save-query-if-deleted
Date: Wed, 27 Sep 2006 14:12:45 +0200
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Xref: news.gmane.org gmane.emacs.devel:60268
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 > I propose the patch below which adds the variable
 > `save-query-if-deleted'.  If non-nil, the `basic-save-buffer' will
 > query before saving if the file has been deleted, but existed
 > since last visited/saved.
 >
 > In this patch it defaults to nil, but I think it is a very useful
 > feature.  Usually when a file no longer exists it's because I
 > renamed it in a shell window and forgot to re-open it in Emacs; in
 > these situations, saving it should require confirmation.
 >
 > What do you think?

I'd appreciate it.  If `buffer-file-name' and `save-query-if-deleted'
are both non-nil, I'd have `buffer-save-buffer' ask whether to save the
buffer even if it was not modified.