brew install graphviz
curl -s http://rigaux.org/language-study/diagram.html > diagram.dot
dot -Tpng -O diagram.dot
mv diagram.dot.png diagram.png
open diagram.png
dot -Tsvg diagram.dot -o diagram.svg
You will find 1 instance
You will find 3 instances
This makes it easier to find any language in the graph as there are several nodes
Hope you've enjoyed!