Michael Everson scripsit:

> Why? Blissymbolics are the *only* form of communication for some
> people. SignWriting is alive and kicking and getting more and more
> popular worldwide.

SignWriting also encodes non-linguistic movement, I believe; as for
Blissymbolics, it doesn't encode either spoken or signed language.

A witness cannot give evidence of his John Cowan
age unless he can remember being born. jcowan@...
--Judge Blagden http://www.ccil.org/~cowan