From: Mark Odegard
Message: 4752
Date: 2000-11-15

OK. Could y'all define as well as can be what you understand the
laryngeals to be? I gather MCW and PG regard H3 as Xw; presumably H1
and H2 are glottal and pharyngeal?

Szemerenyi, as I recall, suggests they all represent plain old h.