Inline GraphvizThis post by David King on inline Graphviz graphs inspired me to write my first Rack middleware in a long time. David's code uses PHP on the server-end coupled with javascript to parse out Graphviz data from script tags, and then render the graphs with the appropriate Graphviz tool and serve up the image. It's a great solution for "graphviz-as-a-service" if you want a really generic way of service
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