SRVFLAG_ERRDOCS
srv_conf->flags |= parent->flags & SRVFLAG_ERRDOCS;
s->srv_conf.flags |= SRVFLAG_ERRDOCS;
srv->srv_conf.flags |= SRVFLAG_ERRDOCS;
srv->srv_conf.flags &= ~SRVFLAG_ERRDOCS;
if (!(srv_conf->flags & SRVFLAG_ERRDOCS))