Mermaid:Neu

graph TD A[Enter Chart Definition] --> B(Preview) B --> C{decide} C --> D[Keep] C --> E[Edit Definition] E --> B D --> F[Save Image and Code] F --> B

graph TD
    A[Enter Chart Definition] --> B(Preview)
    B --> C{decide}
    C --> D[Keep]
    C --> E[Edit Definition]
    E --> B
    D --> F[Save Image and Code]
    F --> B