[mermaid] stateMachine returns parse error

If you enter a stateMachine in a mermaid code block it produces a Parse error:

Expected behavior would be: https://mermaidjs.github.io/mermaid-live-editor/#/edit/eyJjb2RlIjoic3RhdGVEaWFncmFtXG4gICAgWypdIC0tPiBTdGlsbFxuICAgIFN0aWxsIC0tPiBbKl1cblxuICAgIFN0aWxsIC0tPiBNb3ZpbmdcbiAgICBNb3ZpbmcgLS0-IFN0aWxsXG4gICAgTW92aW5nIC0tPiBDcmFzaFxuICAgIENyYXNoIC0tPiBbKl0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9fQ