Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

RULES compile-time option

In general, the RULES option allows or disallows certain language capabilities and allows you to choose semantics when alternatives are available. Currently, LAXCOMMENT is the only selection available for this option.

The default is RULES(NOLAXCOMMENT). LAXCOM and NOLAXCOM are acceptable abbreviations for the suboptions.

If you specify RULES(LAXCOMMENT), the compiler ignores the special characters /*/; therefore, whatever comes between the sets of characters is interpreted as part of the syntax instead of as a comment. If you specify RULES(NOLAXCOMMENT), the compiler treats /*/ as the start of a comment which continues until a closing */ is found.

If you happen to have workstation code that you are porting to the mainframe and uses /*/ around the DATE attribute, you need to use the RULES(LAXCOMMENT) option so that the compiler honors the attribute.


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