HomeDiagramsClass diagramClass: classDiagram-v2 Header

Class: classDiagram-v2 Header

`classDiagram-v2` is accepted as an alias of `classDiagram`, as in Mermaid (#2117).

class-classdiagram-v2-header.mmd
classDiagram-v2
  Animal <|-- Duck
  Animal : +int age
  Animal : +eat()
Output
Class diagram, Zombie Mermaid Animal + int age + eat() Duck

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