DOC1 4.5 has been tested under the following software levels:
•OS/390 2.9
• LE run time library 2.9 (compatible with 2.6 and later)
The DOC1 Generate & Print modules have been compiled with a compatibility level of OS/390 2.6
Later versions of OS/390 and LE libraries will normally be able to run the software without modification. Earlier versions are also normally compatible but are not guaranteed.