ROFF_USERRET
if (line_result & ROFF_USERRET) {
assert(line_result == (ROFF_IGN | ROFF_USERRET));
result = ROFF_USERRET;
if (result & ROFF_USERRET)
if (result != ROFF_USERRET)
return ROFF_IGN | ROFF_USERRET;