Node: Invalid Use of Hollerith Constant, Next: Dummy Array Without Dimensioning Dummy, Previous: Warn About Implicit Conversions, Up: Missing Features
g77 should disallow statements like RETURN 2HAB,
which are invalid in both source forms
(unlike RETURN (2HAB),
which probably still makes no sense but at least can
be reliably parsed).
Fixed-form processing rejects it, but not free-form, except
in a way that is a bit difficult to understand.