In a message dated 11/5/01 5:02:47 PM, [log in to unmask] writes:

<< I would generally have something like [b&?] for "bat", so the difference

would be POA instead of voicing. >>

    My prof. says voiceless stops are glotalized in final position, so it's
not just [?] but [?t] or [t_?], and the [t] is often unreleased.  But even if
it is released, it's often glotalized.