bounding box of the selection (somewhat unuseful, especially as the
result gets absorbed by the tag callback), and "box select", which
sets the cursor box to the bounding box of the selection (much more
useful). Also corrected the "port" command so that the command
"port make" will search only for non-port labels.
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