WINLINK_VISITED
wl2->flags |= WINLINK_VISITED;
wl->flags &= ~WINLINK_VISITED;
wl_new->flags |= WINLINK_VISITED;
wl->flags |= WINLINK_VISITED;
if (wl != NULL && (wl->flags & WINLINK_VISITED)) {
wl->flags &= ~WINLINK_VISITED;