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

[D. Hugh Redelmeier]

New commits:
commit 958475888ff77d64910fe1c2c522e3cd71665573
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Thu Jun 21 14:50:29 2018 -0400

    id.[ch]: remove unused bits