SGC_F_PERSISTENT
feature->flags = SGC_F_PERSISTENT | SGC_F_CURRENT;
feature->flags = 0x08 | SGC_F_PERSISTENT | SGC_F_CURRENT;
feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;
feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;