{
  "html": {
    "elements": {
      "pre": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/pre",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
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            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
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                "version_added": "4",
                "version_removed": "29"
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                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
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              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
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            "status": {
              "experimental": false,
              "standard_track": false,
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            "support": {
              "chrome": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "chrome_android": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
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                "version_added": "12",
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "firefox": {
                "version_added": "1",
                "notes": "Since Firefox 29, specifying the <code>width</code> attribute has no layout effect."
              },
              "firefox_android": {
                "version_added": "4",
                "notes": "Since Firefox 29, specifying the <code>width</code> attribute has no layout effect."
              },
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                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "opera": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "opera_android": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "safari": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "safari_ios": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "samsunginternet_android": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              },
              "webview_android": {
                "version_added": true,
                "notes": "Specifying the <code>width</code> attribute has no layout effect."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
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            "support": {
              "chrome": {
                "version_added": null
              },
              "chrome_android": {
                "version_added": null
              },
              "edge": {
                "version_added": null
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
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                "version_added": null
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": null
              },
              "webview_android": {
                "version_added": null
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
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}