--- In qalam@yahoogroups.com, "Peter T. Daniels" <grammatim@...> wrote:

> Shift was devised for a particular quirk of contemporary roman,
> cyrillic, and greek.

Surely shift *exploited* the quirk. Characters vary enormously in
their frequency, and as think I've already said, the Thai Kedmanee
keyboard does a reasonable job of keeping the use of the shift key
low. The Thai Pattchote keyboard does even better. (I can't speak
for other scripts.)

Richard.