overtone/overtone — pull request #209 by rogerallen (2013-01-13 19:21:22+00:00)
Title: Fix for Issue #208.  

Change ~'abs -> abs fixes the issue Chris reported.

At HEAD, I ran into trouble with the new env-gen-fn and thought that I'd just fully-specify those ugens. Might be another way to handle this, but this is simple enough.