##Horizontal spacing
##horizontal space hscale hspace
##Use the 'hspace <entity>-<entity>' command to force at least certain amount of space between two entities. Use either a number (pixels) or a label (use width thereof).
hscale=1;
a, b, c, d;
a->b: A short label;
c->d: A long label needing space;
hspace c-d: A long label needing space.;
