A_OPT_TOGGLE
case A_OPT_TOGGLE:
mca = A_OPT_TOGGLE;
case A_OPT_TOGGLE:
start_mca(A_OPT_TOGGLE, opt_prompt(curropt), NULL, 0);
case A_OPT_TOGGLE:
':', 't', 0, A_OPT_TOGGLE|A_EXTRA, 't', 0,
'-', 0, A_OPT_TOGGLE,
's', 0, A_OPT_TOGGLE|A_EXTRA, 'o', 0,
{ "toggle-flag", A_OPT_TOGGLE },
{ "toggle-option", A_OPT_TOGGLE },