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From: emery@MITRE-BEDFORD.ARPA (Emery)
Newsgroups: comp.lang.ada
Subject: re: renaming types
Message-ID: <8706291324.AA03749@mitre-bedford.ARPA>
Date: Mon, 29-Jun-87 09:24:55 EDT
Article-I.D.: mitre-be.8706291324.AA03749
Posted: Mon Jun 29 09:24:55 1987
Date-Received: Wed, 1-Jul-87 06:15:47 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
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Lines: 3

Besides the two mechanisms you mentioned, there's a third possibility:

  type t is new B.BT;