A_DIGIT
if (mca != A_DIGIT)
case A_DIGIT:
case A_DIGIT: /* first digit of a number */
start_mca(A_DIGIT, ":");
'8',0, A_DIGIT,
'9',0, A_DIGIT,
'0',0, A_DIGIT,
'1',0, A_DIGIT,
'2',0, A_DIGIT,
'3',0, A_DIGIT,
'4',0, A_DIGIT,
'5',0, A_DIGIT,
'6',0, A_DIGIT,
'7',0, A_DIGIT,