debug

Interpret lines starting with the character ’D’ to be regular Fortran statements rather than comments, as in VMS Fortran. 

rsize

Interpret unformatted record size to be in words rather than bytes. 

struct_align

Layout components of a VAX structure in memory as in VMS Fortran, without padding. Note: this can cause data misalignments, and should be used with —xmemalign to avoid such errors.

%all

Enable all these VAX VMS features. 

%none

Disable all these VAX VMS features.