However, various updates are needed to match changes in magic
over the years, including handling of non-manhattan geometry,
and handling of added DRC rules such as surround and extend.
to be not quite right, and all sets of rules need to be updated
to match the latest DRC rule parsing. Also, plowing does not
handle contact types correctly.
enabling the "plow" command. At this time, however, not all
rules are being implemented correctly given the numerous changes
to the DRC handling since the last time "plow" was working. Fixes
are ongoing.
Tim Edwards