15.1.1 Syntax Rules for General Directives

The following general syntax rules apply to all general compiler directives. You must follow these rules precisely to compile your program properly and obtain meaningful results.

A general directive prefix (tag) takes the following form:


Is one of the following: C (or c), !, or *.

The following are source form rules for directive prefixes:

A general directive ends in column 72 (or column 132, if a compiler option is specified).

General directives cannot be continued.

A comment can follow a directive on the same line.

Additional Fortran statements (or directives) cannot appear on the same line as the general directive.

General directives cannot appear within a continued Fortran statement.

If a blank common is used in a general compiler directive, it must be specified as two slashes (/ /).

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