www.delorie.com/gnu/docs/gcc/g77_624.html

search

	Buy the book!

Using and Porting GNU Fortran

15.3.41 Invalid Use of Hollerith Constant

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.