PARAMETER (MAXM=50,MAXMT=500)
      COMMON / GRAF$MACROS / MTEXT(MAXMT), MNAME(MAXM), MSTART(MAXM),
     $ MEND(MAXM), MCOMMENT(MAXM), NMACRO, NTEXT
      CHARACTER *132 MTEXT, MCOMMENT
      CHARACTER *20 MNAME
C
C --- MAXM     = MAXIMUM NUMBER OF MACROS
C --- MAXMT    = MAXIMUM LINES OF MACRO CODE FOR ALL MACROS
C --- MTEXT    = CODE OF MACROS
C --- MNAME    = NAMES OF MACROS (ALPHABETIZED)
C --- MSTART   = LOCATION IN "MTEXT" CONTAINING FIRST LINE OF THIS MACRO
C --- MEND     = LOCATION IN "MTEXT" CONTAINING LAST LINE OF THIS MACRO
C --- MCOMMENT = SHORT DESCRIPTION OF THIS MACRO
C --- NMACRO   = NUMBER OF MACROS CURRENTLY DEFINED
C --- NTEXT    = NUMBER OF LINES OF CODE CURRENTLY DEFINED
C