MIX_SELECTOR
} else if (mc->type == MIX_SELECTOR) {
MIX(sc).type = MIX_SELECTOR;
MIX(sc).type = MIX_SELECTOR;
} else if (mc->type != MIX_SELECTOR) {
(mc->type == MIX_SELECTOR)) {
(mc->type == MIX_SELECTOR)) {