Flowchart: Self-Loop with In and Out Neighbours (TD)

A self-loop on a node that also has incoming and outgoing neighbours (#2070). In the ASCII panel the loop is a stroke of its own, nested inside the fan that passes its node.

flowchart-self-loop-with-in-and-out-neighbours-td.mmd
flowchart TD
  a["a"]
  b["b"]
  c["c"]
  a --> a
  b --> a
  a --> c
  b --> c
  c --> a
Output
Flowchart, Zombie Mermaid a b c

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