{
  "type": "DocumentFragment",
  "span": {
    "start": 1,
    "end": 83,
    "ctxt": 0
  },
  "children": [
    {
      "type": "Element",
      "span": {
        "start": 1,
        "end": 67,
        "ctxt": 0
      },
      "tagName": "b",
      "namespace": "http://www.w3.org/1999/xhtml",
      "attributes": [],
      "children": [
        {
          "type": "Element",
          "span": {
            "start": 4,
            "end": 67,
            "ctxt": 0
          },
          "tagName": "em",
          "namespace": "http://www.w3.org/1999/xhtml",
          "attributes": [],
          "children": [
            {
              "type": "Element",
              "span": {
                "start": 8,
                "end": 67,
                "ctxt": 0
              },
              "tagName": "foo",
              "namespace": "http://www.w3.org/1999/xhtml",
              "attributes": [],
              "children": [
                {
                  "type": "Element",
                  "span": {
                    "start": 13,
                    "end": 67,
                    "ctxt": 0
                  },
                  "tagName": "foob",
                  "namespace": "http://www.w3.org/1999/xhtml",
                  "attributes": [],
                  "children": [
                    {
                      "type": "Element",
                      "span": {
                        "start": 19,
                        "end": 67,
                        "ctxt": 0
                      },
                      "tagName": "foob",
                      "namespace": "http://www.w3.org/1999/xhtml",
                      "attributes": [],
                      "children": [
                        {
                          "type": "Element",
                          "span": {
                            "start": 25,
                            "end": 67,
                            "ctxt": 0
                          },
                          "tagName": "foob",
                          "namespace": "http://www.w3.org/1999/xhtml",
                          "attributes": [],
                          "children": [
                            {
                              "type": "Element",
                              "span": {
                                "start": 31,
                                "end": 67,
                                "ctxt": 0
                              },
                              "tagName": "foob",
                              "namespace": "http://www.w3.org/1999/xhtml",
                              "attributes": [],
                              "children": [
                                {
                                  "type": "Element",
                                  "span": {
                                    "start": 37,
                                    "end": 67,
                                    "ctxt": 0
                                  },
                                  "tagName": "fooc",
                                  "namespace": "http://www.w3.org/1999/xhtml",
                                  "attributes": [],
                                  "children": [
                                    {
                                      "type": "Element",
                                      "span": {
                                        "start": 43,
                                        "end": 67,
                                        "ctxt": 0
                                      },
                                      "tagName": "fooc",
                                      "namespace": "http://www.w3.org/1999/xhtml",
                                      "attributes": [],
                                      "children": [
                                        {
                                          "type": "Element",
                                          "span": {
                                            "start": 49,
                                            "end": 67,
                                            "ctxt": 0
                                          },
                                          "tagName": "fooc",
                                          "namespace": "http://www.w3.org/1999/xhtml",
                                          "attributes": [],
                                          "children": [
                                            {
                                              "type": "Element",
                                              "span": {
                                                "start": 55,
                                                "end": 67,
                                                "ctxt": 0
                                              },
                                              "tagName": "fooc",
                                              "namespace": "http://www.w3.org/1999/xhtml",
                                              "attributes": [],
                                              "children": [
                                                {
                                                  "type": "Element",
                                                  "span": {
                                                    "start": 61,
                                                    "end": 67,
                                                    "ctxt": 0
                                                  },
                                                  "tagName": "food",
                                                  "namespace": "http://www.w3.org/1999/xhtml",
                                                  "attributes": [],
                                                  "children": [],
                                                  "content": null
                                                }
                                              ],
                                              "content": null
                                            }
                                          ],
                                          "content": null
                                        }
                                      ],
                                      "content": null
                                    }
                                  ],
                                  "content": null
                                }
                              ],
                              "content": null
                            }
                          ],
                          "content": null
                        }
                      ],
                      "content": null
                    }
                  ],
                  "content": null
                }
              ],
              "content": null
            }
          ],
          "content": null
        }
      ],
      "content": null
    },
    {
      "type": "Element",
      "span": {
        "start": 67,
        "end": 78,
        "ctxt": 0
      },
      "tagName": "aside",
      "namespace": "http://www.w3.org/1999/xhtml",
      "attributes": [],
      "children": [
        {
          "type": "Element",
          "span": {
            "start": 1,
            "end": 78,
            "ctxt": 0
          },
          "tagName": "b",
          "namespace": "http://www.w3.org/1999/xhtml",
          "attributes": [],
          "children": [],
          "content": null
        }
      ],
      "content": null
    }
  ]
}