From: Amin Bandali <me@aminb.org>
Date: Mon, 9 Mar 2015 04:19:17 +0000 (-0400)
Subject: enable persistent undo in emacs
X-Git-Url: https://git.shemshak.org/gitweb.cgi/~bandali/configs/commitdiff_plain/47f44a8dd4dbd8472f14d741869131c7a1059f88?hp=47f44a8dd4dbd8472f14d741869131c7a1059f88

enable persistent undo in emacs
reverse of https://github.com/syl20bnr/spacemacs/commit/885d092e72aeaa470253c19831ba42e2eecf3514
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