Incompatible changes:
* RRs with mailboxes never rejected due to strange chars if _raw.
* Lack of a mailbox produces `.' not `<>'.
Incompatible changes:
* RRs with mailboxes never rejected due to strange chars if _raw.
* Lack of a mailbox produces `.' not `<>'.
* Give install the '-c' flag (otherwise some delete the original !).
* Reject TXT RRs with no strings.
* Don't complain so much about poll(2) tests if not available.
* Give install the '-c' flag (otherwise some delete the original !).
* Reject TXT RRs with no strings.
* Don't complain so much about poll(2) tests if not available.