Edit ACTION-1354: Jboyer : implement issue 41 point 3, a computed expression is not a kind of model binding expression AND clarify that dynamic dep. issues affect both model binding expressions and computed expressions [recorded in http://www.w3.org/2007/09/14-forms-minutes.html#action06]: http://www.w3.org/2007/09/14-forms-minutes.html#action06