FM/IMS support of COBOL data description entries
In the data description entries specified in the copybook, FM/IMS supports:
- ASSIGN clause
- OCCURS clause (including OCCURS DEPENDING ON)
- PICTURE clause (except for numeric editing)
- REDEFINES clause
- RENAMES clause
- USAGE clause
- VALUE clause
FM/IMS ignores:
- BLANK WHEN ZERO clause
- DATE FORMAT clause
- EXTERNAL clause
- GLOBAL clause
- JUSTIFIED clause
- Numeric editing in the PICTURE clause
- SYNCHRONIZED clause
FM/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.