diagrams/diagrams-contrib — pull request #20 by joelburget (2013-10-11 22:55:34+00:00)
Title: Get working on ghc-7.7.20130908.

I make no guarantees about 7.8.

Changes:
* allow base 4.7
* add two type signatures that ghc couldn't infer
(http://ghc.haskell.org/trac/ghc/ticket/5678)
* import annularWedge (I don't understand how this worked before)