Homebrew/homebrew-science — pull request #918 by bcomnes (2014-05-24 01:48:35+00:00)
Title: Added formula for xylib

I added a formula for [xylib](http://xylib.sourceforge.net) in preparation for a formula for [Fityk](http://fityk.nieto.pl).

I'm not really how I should write a test for this unfortunately.