rec { version="1.96"; name="asymptote-1.96"; hash="0rs2h77j3nq36w0vr131yvlp8lqsanidhf9fvd4bggz5j5r8r850"; url="http://downloads.sourceforge.net/project/asymptote/asymptote/${version}/asymptote-${version}.src.tgz"; advertisedUrl="http://downloads.sourceforge.net/project/asymptote/asymptote/1.96/asymptote-1.96.src.tgz"; }