Hi, I installed graphviz and tried it on
Engine: j807/j64/darwin Release-d: commercial/2019-03-18T16:07:14 Library: 8.07.26 Qt IDE: 1.7.9/5.9.7 Platform: Darwin 64 Installer: J807 install InstallPath: /applications/j64-807 Contact: www.jsoftware.com <http://www.jsoftware.com/> load 'graphics/graphviz' graphview '' shows an empty view. Nice. But graphview 'digraph G { a->b }',LF gives me an error |interface error: spawn_jtask_ | spawn_jtask_,PROG,' ‚,cmdline Regards, Ulrich ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm