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bug#457: wdired and auto-revert-mode

From: martin rudalics
Subject: bug#457: wdired and auto-revert-mode
Date: Mon, 04 Aug 2008 18:08:33 +0200
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)

> Just make sure to leave the buffer marked as modified as long as there
> are changes that should not be lost by reverting.  If you do that,
> then auto-revert-mode will not lose changes.

At the very moment the OP got "frustrated", the buffer was apparently
_unmodified_ since otherwise Emacs would have refused to auto-revert it.
Hence, the problem seems not in losing any changes.

> Is something in wdired doing (set-buffer-modified-p nil) *before* the
> changes have been recorded?

Yes, but why should that matter here?  BTW, `wdired' also resets
`buffer-undo-list'.  The important aspect is that as long as a user is
in `wdired-mode', buffer-modified status and `buffer-undo-list' should
faithfully reflect the user's editing steps.

Did you try my `buffer-read-only' patch?  I use neither `dired' nor


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