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$NetBSD: MESSAGE,v 1.2 2005/09/06 20:26:33 scode Exp $

rdiff-backup 0.13.x and 1.0.x use a different archive format than 0.12.x.
If you upgrade to (or begin using) 0.13.x, downgrading to 0.12.x will
require re-doing the initial seed!

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