As we now have all free RPG we need to find ways to move from familiar fixed format definitions to free format equivalents. Key lists, KLIST, are a good example. I still see new programs written in RPGLE with free form calculations, but with fixed format Key lists.
C KeyTestfile klist C kfld wkFld1 C kfld wkFld2 C kfld wkFld3
The solutions was provided back in V5R2: