{
  "mathml": {
    "elements": {
      "maction": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/MathML/Element/maction",
          "spec_url": "https://w3c.github.io/mathml-core/#dfn-maction",
          "support": {
            "chrome": {
              "version_added": "109",
              "notes": "This follows MathML Core: Only the first child is rendered while the others have their `display` set to `none`. `actiontype` and `selection` attributes are ignored."
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "1",
              "notes": "Firefox 106 and later versions follow MathML Core: Only the first child is rendered while the others have their `display` set to `none`. `actiontype` and `selection` attributes are ignored."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        },
        "actiontype": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1",
                "version_removed": "106"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "8"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          },
          "toggle": {
            "__compat": {
              "description": "`actiontype=\"toggle\"`",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "chrome_android": "mirror",
                "edge": "mirror",
                "firefox": {
                  "version_added": "1",
                  "version_removed": "106"
                },
                "firefox_android": "mirror",
                "ie": {
                  "version_added": false
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "8"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": false,
                "deprecated": true
              }
            }
          }
        },
        "selection": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1",
                "version_removed": "106",
                "notes": [
                  "In Firefox 15, the `selection` attribute is now ignored for actiontype other than `toggle`.",
                  "In Firefox 16, the `selection` attribute is taken into account again when an unknown `actiontype` is specified."
                ]
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "8"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      }
    }
  }
}