document.qmd

---
title: Custom crossrefs
crossref:
  custom:
    - kind: float
      key: dia
      reference-prefix: Diagram
format:
  docusaurus-md: {}
_quarto:
  tests:
    run:
      not_os: [linux] 
---

::: {#dia-1}

```{mermaid}
flowchart LR
  A[Hard edge] --> B(Round edge)
  B --> C{Decision}
  C --> D[Result one]
  C --> E[Result two]
```

A Mermaid diagram with a caption.
:::

See @dia-1.