ex_mode(exarg_T *eap)
{
    if (*eap->arg == NUL)
	shell_resized();
    else
	mch_screenmode(eap->arg);
}
ex_mode(exarg_T *eap)
{
    if (*eap->arg == NUL)
	shell_resized();
    else
	mch_screenmode(eap->arg);
}