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

[D. Hugh Redelmeier]

New commits:
commit 2aae7a26448c13af781227651458f1ce6c61cf3b
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Wed Jun 6 10:49:18 2018 -0400

    code: fix uses of it's/its

commit 771b6dc9038ceffa733a04a4cc49edcb57d0db7d
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Wed Jun 6 10:43:47 2018 -0400

    pluto: fix spelling in a comment; add a mirror comment