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 https://www.ibm.com/support/pages/node/604539):

• Runtime APAR PH61133 (V2R4 or later): You can use ddname IGZPROUT at the run step of your JCL to generate a report of all COBOL 5 or later programs that are called dynamically, statically, and via DLL linkage. (Generating a report of COBOL programs)

Documentation fixes in COBOL 6.3:

- In Programming Guide:

• Added a new difference in how the Db2 precompiler and coprocessor behave when SQL host variable contains FILLER data item. (Differences in how the Db2 precompiler and coprocessor behave)

- In Migration Guide:

• Explained the compiler behavior after the LIB/NOLIB option was removed in COBOL 4. (Compiler option changes from IBM Enterprise COBOL for z/OS 4)

- In Language Reference:

• Added the ways to assign the results of intrinsic functions. (Assigning values to data items)
• Added a note to explicitly state that nested COPY REPLACING statements are not allowed. (Comparison and replacement examples)

- In Performance Tuning Guide:

• Added a note indicating that changing the NUMPROC option can lead to different behavior if there is invalid data, so thorough testing should be done. (NUMPROC)
• Added a note indicating that changing the TRUNC option can lead to different behavior if there is invalid data, so thorough testing should be done. (TRUNC)

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 https://www.ibm.com/support/pages/node/611415.

If you have any comments regarding COBOL docs, please send them to compinfo@cn.ibm.com.

For details about Enterprise COBOL for z/OS, visit the product page at https://www.ibm.com/products/cobol-compiler-zos.