test_basic(): Add a test for "person@dom.ain (User J. Person)" which was already correctly parsed (contrary to a comment in Mailman).
test_basic(): Add a test for "person@dom.ain (User J. Person)" which
was already correctly parsed (contrary to a comment in Mailman).

test_rfc2822_phrases(): RFC 2822 now requires that we allow `.' in
phrases, which means we must accept dots in unquoted realname parts.
Add a test to check the change in rfc822.py 1.58.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator