+TL/04 Add verify = header_names_ascii check to reject email with non-ASCII
+ characters in header names, implemented as a verify condition.
+ Contributed by Michael Fischer v. Mollard.
+
+TL/05 Rename SPF condition results err_perm and err_temp to standardized
+ results permerror and temperror. Is a backward incompatibility if
+ the ACL tests for either of these two results. Patch contributed by
+ user bes-internal on the mailing list.