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MAPNAME Details (↑ Choosing Run-time Behavior)
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Specifying MAPNAME affects program-names and entry-points defined
in the compilation and those referenced by the program as follows:
o ENTRY statements only in the outermost program
o CALL literal, but not CALL identifier, statements
o PROGRAM-ID entries in the outermost program, but not in nested
programs.
When a name is found to be incompatible a warning message is
given and a modified name is used in the object program. The
rules enforced and the modifications made are:
o The first eight characters must be unique among program-names.
The name is truncated to the first eight characters.
o The first character must be alphabetic. If it is numeric it is
changed as follows:
0 becomes J
1 through 9 become A through I
o Hyphen (-) is not allowed. If one appears it is changed to zero
(0).
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