adf-codec/corpus/round-trip/opaque-carry/unknown-block.md

{
  "attrs": {
    "url": "https://example.com/roadmap"
  },
  "type": "blockCard"
}

:::panel info The card below has no spelling yet.

{
  "attrs": {
    "layout": "wide",
    "url": "https://example.com/board",
    "width": 100
  },
  "type": "embedCard"
}

:::