Right! I tested it with DrGeo on Wine and see the same results as you Hilaire
Le 21/06/2014 18:20, Nicolai Hess a écrit : > I think this is a bug on cairo. The strange rendering only happens on > strokes, > not on solids fills and not on stroke with dashes: -- Dr. Geo http://drgeo.eu iStoa - https://launchpad.net/istoa