Include comments by following an interrupted parameter field with at least one blank. To continue a comment:

1. Interrupt the comment at a convenient place before column 72, up to and including column 71.
2. Code a nonblank character in column 72.
3. Code // in columns 1 and 2 of the following statement.
4. Code a blank character in column 3 of the following statement.
5. Continue the comments field beginning in any column after column 3.