> ```markdown-ui-widget { "type": "button-group", "id": "plan", "label": "Plan", "choices": ["Brainstorm", "Review", "Launch"], "default": "Brainstorm" } ```

      markdown-ui-widget-html-version-long
      <button-group id=plan label=Plan choices="Brainstorm,Review,Launch" default=Brainstorm />

I designed it this way to be more markdown like, and without support for styling

That's not even valid HTML...