0.0:Waits for the user to press a key, from a list of choices
0.1:choices
0.2:text
0.3:Specifies allowable keys.  Default is:
0.4:Do not display the choices at end of prompt
0.5:Be case-sensitive
0.6:Automatically choose key c after nn seconds
0.7:The text to display as a prompt
0.8:Sound an alert (beep) at prompt
3.0:yn

0.9:Incorrect timeout syntax. Expected form Tc,nn or T:c,nn
0.10:Timeout default not in specified (or default) choices