{
  "type": "doc",
  "content": [
    {
      "type": "paragraph",
      "content": [
        { "type": "text", "marks": [{ "type": "bold" }], "text": "bold" },
        { "type": "text", "text": " " },
        { "type": "text", "marks": [{ "type": "italic" }], "text": "italic" },
        { "type": "text", "text": " " },
        { "type": "text", "marks": [{ "type": "code" }], "text": "code" },
        { "type": "text", "text": " " },
        { "type": "text", "marks": [{ "type": "strike" }], "text": "strike" }
      ]
    },
    {
      "type": "paragraph",
      "content": [
        {
          "type": "text",
          "marks": [
            {
              "type": "link",
              "attrs": {
                "href": "https://example.com/page"
              }
            }
          ],
          "text": "a link"
        },
        { "type": "text", "text": ", " },
        {
          "type": "text",
          "marks": [{ "type": "highlight" }],
          "text": "highlighted"
        },
        { "type": "text", "text": ", base" },
        { "type": "text", "marks": [{ "type": "subscript" }], "text": "sub" },
        { "type": "text", "text": " and base" },
        { "type": "text", "marks": [{ "type": "superscript" }], "text": "sup" },
        { "type": "text", "text": "." }
      ]
    },
    {
      "type": "paragraph",
      "content": [
        { "type": "text", "text": "Here is a " },
        {
          "type": "text",
          "marks": [
            {
              "type": "comment",
              "attrs": { "commentId": "cmt-xyz789" }
            }
          ],
          "text": "commented anchor span"
        },
        { "type": "text", "text": " that must survive (SPEC §3)." }
      ]
    }
  ]
}