Version information:
   Version: 20150110.1819
   $Id: revive.el,v 2.22 2014/04/02 14:25:14 yuuji Exp $
   Last modified Wed Apr  2 23:25:14 2014 on firestorm

When using revive in conjunction with autosave, the revive buffer
accumulates quickly to an order of > 20Mb (yes, megabytes). This itself
is enough of a bug (I imagine there is some problem in the parsing and
updating of the save-config information), but it also has a cascade
effect, in causing emacs to complain that the latest modification is to
large for emacs' undo buffer. This, in turn, has emacs prompt the user
for intervention, turning what should have been an automatic background
event, into an unexpected interruption to the user.

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