+TF/09 Produce a more useful error message if an SMTP transport's hosts
+ setting expands to an empty string.
+
+NM/06 Bugzilla 744: EXPN did not work under TLS.
+ Patch provided by Phil Pennock
+
+NM/07 Bugzilla 769: Extraneous comma in usage fprintf
+ Patch provided by Richard Godbee
+
+NM/08 Fixed erroneous documentation references to smtp_notquit_acl to be
+ acl_smtp_notquit
+