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

[D. Hugh Redelmeier]

New commits:
commit 73606e5df71e9b650f701bc1c69b8696e3ba6e94
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun Jun 25 12:24:56 2017 -0400

    pluto: eliminate a pointless variable and test of same