HP 3000 Manuals

Micro Focus COBOL Language Reference

For OSVS and VSC2 only:  The ++INCLUDE and -INC Mechanisms 

The ++INCLUDE and -INC mechanisms provide another (IBM-mainframe
compatible) means whereby a COBOL program source file or portion of
source code can be included in a file to be compiled.  .

These special statements are not part of the COBOL language.  They must,
in their entirety, be contained on a single line and must be in upper
case.

MPE/iX 5.0 Documentation