XL Fortran for AIX 8.1

Language Reference

How to Read Syntax Diagrams

Throughout this book, the syntax of Fortran statements and elements is illustrated by diagrams, using notation often called "railroad tracks".

If a variable or user-specified name ends in _list, it means that you can provide a list of these terms separated by commas.

Punctuation marks, parentheses, arithmetic operators, and other special characters must be entered as part of the syntax.

Syntax Diagrams

Example of a Syntax Diagram

                                         V   |
                           '-b-'  +-c-+

Interpret the diagram as follows:

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