CONF_ENABLE_VJ
if (sp->confflags & CONF_ENABLE_VJ) {
if (!(sp->confflags & CONF_ENABLE_VJ)) {
spr->defs.enable_vj = (sp->confflags & CONF_ENABLE_VJ) != 0;
sp->confflags |= CONF_ENABLE_VJ;
sp->confflags &= ~CONF_ENABLE_VJ;
sp->confflags |= CONF_ENABLE_VJ;