In addition to being a runnable CLI tool, D2 can also be used to produce diagrams from Go programs. For examples, see ./docs/examples/lib. This blog post also demos a complete, runnable example of ...

The pump suction pipe may be earthed ... a patented automatic liquid level control device of the induction type is available wherein a float is employed to alter the magnetic conditions in two ...

Control 2 is reportedly shifting genres a little from the first entry, and after Alan Wake 2's financial reports, that might be a risk worth taking.