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

[D. Hugh Redelmeier]

New commits:
commit e7813e7aea5012d1b22d636ae11007d0dbb8baf7
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Mon Jun 17 17:40:30 2019 -0400

    _stackmanager: fix spelling in comment