Some EQUEL statements generate labels (statement numbers). The statement numbers 7000 through 12000 are reserved for the preprocessor. If you include a file containing statements that generate labels, you must be careful to include the file only once in a given Fortran scope. Otherwise, you may find that the compiler later complains that the generated labels are defined more than once in that scope.

The statements that generate labels are the retrieve statement and all the EQUEL/FORMS block-type statements, such as display and unloadtable.