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November 2021 documentation refresh for Enterprise COBOL for z/OS 6.3

By Dan Zhang posted Mon November 29, 2021 03:01 AM

Enterprise COBOL for z/OS 6.3 documentation is refreshed today to include the following enhancements:
Enhancements in COBOL 6.3 with PTFs installed: (For a complete list of Enterprise COBOL PTFs, check
  • PH40562: A new signature information byte is added for the DECIMAL-POINT IS COMMA clause so that the compiler can indicate to the debugger when COBOL programs have the DECIMAL-POINT IS COMMA clause. (Signature information bytes)
  • PH42280: The following messages are updated to report additional information and return codes: 
Documentation fixes:
- In Programming Guide:
-In Performance Tuning Guide: 
  • Clarified that RTEREUS cannot be used with z/OS UNIX process or with programs running in AMODE 64. The usage under IMS is not recommended and should be avoided. (RTEREUS)
The English PDF files are also refreshed to include the updates above. You can find the latest English PDF files from the Enterprise COBOL for z/OS library page at

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