From: G&P
Message: 61569
Date: 2008-11-12
>how do we establish the
existence of H1 and H2
>if at the same
time, we admit a purely vocalic a/a: and e/e: ablaut ?
Laryngeals are not only established by vowel colouring. For example (If my memory is right) h2 will cause aspiration of a preceding voiceless stop, but h1 won’t. h2 appears in Anatolian, but h1 doesn’t.
Peter