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unexpunging files

    Date: Wed, 16 May 90 21:20 EDT
    From: Barry Margolin <barmar@think.com>

	Date: Wed, 16 May 90 15:46 PDT
	From: Reti@STONY-BROOK.SCRC.Symbolics.COM (Kalman Reti)

	Oops, I guess I wasn't specific enough; the salvager will retrieve expunged
	files from the LMFS if you haven't written over them and you don't have
	disk errors.

    Huh?  Since when does the salvager unexpunge files?  I think you're
    confusing expunged files with orphans.

Yes.  More specifically, expunging overwrites the file header with
zeros, so that the expunged files will *NOT* be found as orphans by
the salvager.