Call graphs work for me in version 1.8.6-2.
-- Michael R. Crusoe: Programmer & Bioinformatician [email protected] @ the Genomics, Evolution, and Development lab; Michigan State U http://ged.msu.edu/ http://orcid.org/0000-0002-2961-9670 @biocrusoe<http://twitter.com/biocrusoe>
