{
  "css": {
    "at-rules": {
      "charset": {
        "__compat": {
          "description": "<code>@charset</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@charset",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1.5",
              "notes": "Firefox 1 supported an invalid syntax where the character encoding is not between single or double quotes."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "5.5",
              "notes": "From Internet Explorer 5.5 to IE 7 (inclusive), Internet Explorer supported an invalid syntax where the character encoding is not between single or double quotes."
            },
            "opera": {
              "version_added": "9"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "4"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "2"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}