BAW_WITHIN
if (! BAW_WITHIN(tap->txa_start, tap->txa_wnd,
(! BAW_WITHIN(tap->txa_start, tap->txa_wnd,
if (tap != NULL && (! BAW_WITHIN(tap->txa_start, tap->txa_wnd,
if (! BAW_WITHIN(tap->txa_start, tap->txa_wnd,