unrelated nets to be captured in the same selection, due to the
use of the label bounding box instead of the label rectangle.
The bounding box is used for display only and should not be used
for connectivity.
The website documentation now points to these contents in a clone
of the repository on opencircuitdesign.com, so all future edits of
the command-line documentation will be made directly to the git
repository. Also: Changed the precision of box values printed in
microns from 2 to 3 digits after the decimal place, so that 5 nanometer
grids do not get values clipped in the output.
Tim Edwards