Leave maximal70.ged as is, and remove the structure from maximal70.gdz. In this option, the .ged has info that the .gdz does not have.
Leave maximal70.ged as is, and add a "path/to/file1" text file in maximal70.gdz, and change the FILE structure in gedcom.ged to "FILE path/to/file1". In this option, the .ged and the .gdz refer to the same file, but with different FILE payloads.
Either way, we should probably add a Technical FAQ entry about what to do with local files.
The spec says:
But maximal70.ged has:
And so maximal70.gdz does too.