Comment (by Roland Haas):

@Miguel Zilhão before the next release (but as soon as possible) if you could take a stab a updating the basic docs that I had cobbled together as well as (and that is actually quite important) add a test case for the arrangement (one is enough, pick any thorn to contain it as long as it tests all 3 thorns), that would be great.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2485/include-complex-and-real-scalar-evolution