https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2023-0/freeform-and-nofreeform.html
FREEFORM and NOFREEFORM
General Compiler Directives: FREEFORM specifies that source code is in free-form format. NOFREEFORM specifies that source code is in fixed-form format.
freeform