[GRASS5] g.region G_usage() commented out?

[Russell Nelson]

Glynn Clements writes:
 > Are you sure about the removal of the "marker" code? I would guess
 > that it's there for a reason (although I have no idea what that reason
 > might be).

Reasonably.  I tracked down all the subroutines called to make sure
they are happy with a null string.  Perhaps it's something left over
from the Fortran code?  I seem to recall needing to put such things
into Fortran prorgams.

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