ERXMSVAR group1 map1 X_

   generates:

     /* GDDM-REXX: output from ERXMSVAR EXEC: . . 16:41:32*/
     /* Initialize structure for */
     /*     MAPGROUP: ERXORDD6 , MAPNAME: ERXORDER */
     X_=""
     X_PROD.1 = "           "
     X_DESC.1 = "                           "
     X_COST.1 = "           "
     X_QTY.1 = "      "
     X_QTY_COL_SEL.1 = " "
     X_QTY_COL.1 = " "
     X_TOT.1 = "        "
     X_PROD.2 = "           "
      ...
      ...                                   "
      ...
     X_TOTAL = "        "
     X_MSG = "                                  "
     X_ASLENGTH=432 /* length of ADS string */

   Examples of REXX variable names used for a map without names:

     X_NO_NAME_3 = "           "
     X_NO_NAME_4 = "      "
     X_NO_NAME_4_COL_SEL = " "
     X_NO_NAME_4_COL = " "