Every subroutine(FORM) should be commented to explain its goal and how it works. This comment can be located just before or after the
form definition.
Noncompliant code example
FORM my_form.
...
ENDFORM
Compliant solution
* here is
* my comment
FORM my_form.
...
ENDFORM
or
FORM my_form.
* here is
* my comment
...
ENDFORM
