overflow in pdf

[kcrisman]

In line 4 of https://github.com/klevasseur/ads/blob/master/src/S61.xml the pdf has a long overflow that probably should go to the next line, as it does in the html (compare http://faculty.uml.edu/klevasseur/ads/s-basic-definitions.html):

{(blue shirt, grey slacks), (blue shirt, tan slacks), (mint green shirt, tan slacks)}