> On Jun 20, 2016, at 5:19 PM, Nitecki, Zbigniew H. <Zbigniew.Nitecki at tufts.edu> wrote:
>
> > \psset{rowsep=.0.5cm, colsep=0.5cm}
Howdy,
Notice that you have .0.5cm for the rowsep; it should, of course, be 0.5cm.
Good Luck,
Herb Schulz
(herbs at wideopenwest dot com)