1. 2017-09-22 [14] [graphviz-interest] building on Linux graphviz- Pander 2. 2017-09-20 [3] Re: [graphviz-interest] graphviz-interest Digest, Vol graphviz- Emden R. Gans 3. 2017-09-14 [3] [graphviz-interest] Graphviz: make invisible node tak graphviz- Igor Chetvero