XmNO_LINE	/* no underlines */
XmSINGLE_LINE	/* a single, solid, underline */
XmDOUBLE_LINE	/* a double, solid, underline */
XmSINGLE_DASHED_LINE	/* a single, dashed, underline */
XmDOUBLE_DASHED_LINE	/* a double, dashed, underline */