ZDT/IMS support of COBOL data description entries

In the data description entries specified in the copybook, ZDT/IMS supports:

  • ASSIGN clause
  • OCCURS clause (including OCCURS DEPENDING ON)
  • PICTURE clause (except for numeric editing)
  • REDEFINES clause
  • RENAMES clause
  • USAGE clause
  • VALUE clause

ZDT/IMS ignores:

  • BLANK WHEN ZERO clause
  • DATE FORMAT clause
  • EXTERNAL clause
  • GLOBAL clause
  • JUSTIFIED clause
  • Numeric editing in the PICTURE clause
  • SYNCHRONIZED clause

ZDT/IMS supports all data item level numbers except 88 (condition-names); these are ignored.

Details of the support for various clauses are described in the following sections.