{
  "mathml": {
    "elements": {
      "mo": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/MathML/Reference/Element/mo",
          "spec_url": "https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo",
          "tags": [
            "web-features:mathml"
          ],
          "support": {
            "chrome": {
              "version_added": "109"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "5"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "accent": {
          "__compat": {
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "form": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-form",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "largeop": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-largeop-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "lspace": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-lspace-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "maxsize": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-maxsize-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "minsize": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-minsize-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "movablelimits": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-movablelimits-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "named_spaces": {
          "__compat": {
            "description": "Named spaces (e.g. `thinmathspace` to mean 3/18em) for `lspace`, `maxsize`, `minsize` and `rspace` attributes",
            "mdn_url": "https://developer.mozilla.org/docs/Web/MathML/Reference/Values",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "nonzero_unitless_values": {
          "__compat": {
            "description": "Nonzero unitless values (e.g. 5 to mean 500%) for `lspace`, `maxsize`, `minsize` and `rspace` attributes",
            "mdn_url": "https://developer.mozilla.org/docs/Web/MathML/Reference/Values",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1",
                "version_removed": "70"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "rspace": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-rspace-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        },
        "stretchy": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-stretchy-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "5"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "symmetric": {
          "__compat": {
            "spec_url": "https://w3c.github.io/mathml-core/#dfn-symmetric-0",
            "tags": [
              "web-features:mathml"
            ],
            "support": {
              "chrome": {
                "version_added": "109"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "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": false
            }
          }
        }
      }
    }
  }
}