NAME
gr_interior - a GRToolbox module
DESCRIPTION
Gets the interior of data sets. The border
is given by the first and last set and the
first and lastpoint of each set. The interior
will be printed without seperators.
See also gr_module border.
SYNOPSIS:
-[h o v noc nof now skip f m c e i s l]
-help For help on all options.
Special Options: