From: Ken Hornstein <kenh@pobox.com>
Date: Fri, 16 May 2014 16:14:21 +0000 (-0400)
Subject: Output a newline if the last character in a text/plain part is
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/b67c1d7c42331f0abd85439caa3d5b9a09e7a999?ds=inline;hp=b67c1d7c42331f0abd85439caa3d5b9a09e7a999

Output a newline if the last character in a text/plain part is
not a newline (but only for mhshow).
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