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

[D. Hugh Redelmeier]

New commits:
commit 0f3ac98fe26a4b6e4829f1ce98e5a0c8f492edae
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Fri Aug 20 10:54:07 2021 -0400

    passert.h: PASSERT should not return a value
    
    I don't know why PASSERT expands to an expression.  In any case, it
    should not be used as an expression.  In an attempt to prevent this,
    I've made it yield a void result.