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

[D. Hugh Redelmeier]

New commits:
commit 486f4d7a422fe2d7c25595efb4246859e2c04e78
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun Jul 22 22:22:57 2018 -0400

    pervasive: contraction for "let us" is "let's", not "lets"