SUBROUTINE PLTLA (SIGN) C [LABEL] C SOMETIMES IT IS CONVENIENT TO IDENTIFY PLOTTER SHEETS WITH C A SHORT LABEL IN THE LOWER MARGIN (MAXIMUM OF 4 LETTERS). C PLOTTER ORIGIN IS TAKEN AS PAGE CENTER, SO PLTLA MUST BE C CALLED AFTER CALLING PLTFR OR PLTBO, AND BEFORE CALLING C PLTEJ. C [21-MAR-74] B CALL SYMBOL (-3.85,4.30,0.2,SIGN,-90.0,4) RETURN END