[petsc-dev] make all PETSc Fortran examples modern freeform?

[Jed Brown]

Blaise A Bourdin <bourdin at lsu.edu> writes:

> I haven’t use fixed-form in a long time, but isn’t free-form a
> superset of fixed-form? Are there situation where a fixed form code
> cannot be compiled as free form source code?

$ cat foo.f
      program foo
c     a silly comment
      end program
$ gfortran foo.f
$ gfortran -ffree-form foo.f 
foo.f:2:

c     a silly comment
1
Error: Unclassifiable statement at (1)
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