29. In a method for automated linguistic expression substitution on a digital data processor according to claim 22, the improvement in which the evaluating step further comprises the steps of responding to a disparity signal in a selected first range of disparity signal values for determining the alternate expression signal corresponding to a disparity signal to be exclusively substitutable for the suspect expression signal corresponding to said disparity signal and for producing a signal indicative thereof.
29. In a method for automated linguistic expression substitution on a digital data processor according to claim 22, the improvement in which the evaluating step further comprises the steps of responding to a disparity signal in a selected first range of disparity signal values for determining the alternate expression signal corresponding to a disparity signal to be exclusively substitutable for the suspect expression signal corresponding to said disparity signal and for producing a signal indicative thereof. 31. In a method for automated linguistic expression substitution on a digital data processor according to claim 29, the improvement in which the evaluating step further comprises the step of responding to a disparity signal value in a selected second range of disparity signal values and producing an output signal indicative thereof, said second disparity signal value range having a lower value bound larger than a lower value bound of said first disparity signal value range.