'[references]="<baz@four.com> <foo@four.com>"' \
'[subject]="neither"'
output=$(notmuch show --format=json 'subject:four' | notmuch_json_show_sanitize)
'[references]="<baz@four.com> <foo@four.com>"' \
'[subject]="neither"'
output=$(notmuch show --format=json 'subject:four' | notmuch_json_show_sanitize)