Re: Directionality of Sound changes

--- In phoNet@yahoogroups.com, "Richard Wordingham"

> As another example, 72% of languages have at least 2 liquids.

That

> has not stopped many Tai dialects from collapsing [l] and [r]
> together, or losing one without replacement (via [r] > [h]).
> Bangkok Thai (as opposed to Standard Siamese) is a good example,

so

> we are not talking about reductions in backwaters either.

Vedic Sanskrit almost completed [l] > [r], and I believe some
Iranian languages did complete the merger. Piotr could name
examples. Otherwise, I'll have to hunt through the archives on
Cybalist.

Richard.