tab_text_format (t, nc++, i + 1, 0, "%g", dv->valid);
if (dsc->format == DSC_SERIAL)
tab_text_format (t, nc++, i + 1, 0, "%g", dv->missing);
tab_text_format (t, nc++, i + 1, 0, "%g", dv->valid);
if (dsc->format == DSC_SERIAL)
tab_text_format (t, nc++, i + 1, 0, "%g", dv->missing);