[Swan-commit] Changes to ref refs/heads/master

[D. Hugh Redelmeier]

New commits:
commit 91fd70497056aa65dc121fa2aee3274c21f0cfc8
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Aug 22 09:53:25 2017 -0400

    pluto: fix some spelling in comments