Changes from B3 to B4:
=====================

1. Control/T inside Pico displays files correctly and can read them.
2. Few minor bugs corected. When composing a message you are no longer asked
   whether to continue from a (faked) postponed message.
3. C-CLIENT/VMS_MAIL.C when compiled with /DEFINE=UCX acceepts RFC-822
   headers at the end of the message.
