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

[D. Hugh Redelmeier]

New commits:
commit d915dc115b0990a9610fc4d9ad2c0f67a34d62b6
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Tue Feb 6 23:36:52 2018 -0500

    grammar: replace "which" by "that" where it is a defining or restrictive pronoun.
    
    Although not mandatory, this distiction is recommended by many
    authorities (eg. Strunk and White, APA Publication Manual, and
    Fowler).  The copyright for Fowler and Fowler's "The King's English"
    has expired so it can be found online (it's a bit of a tough slog but
    I find it entertaining):
    
    <http://www.bartleby.com/116/205.html>
    
    Several other improvements were discovered at the same time.