{
  "css": {
    "properties": {
      "user-modify": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/user-modify",
          "support": {
            "chrome": {
              "prefix": "-webkit-",
              "version_added": "1"
            },
            "chrome_android": {
              "prefix": "-webkit-",
              "version_added": "18"
            },
            "edge": {
              "prefix": "-webkit-",
              "version_added": "12"
            },
            "firefox": {
              "prefix": "-moz-",
              "version_added": "1",
              "partial_implementation": true,
              "notes": [
                "While the CSS property is parsed and accepted, it does not have any effect.",
                "Scheduled for removal (see <a href='https://bugzil.la/1388910'>bug 1388910</a>)."
              ]
            },
            "firefox_android": {
              "prefix": "-moz-",
              "version_added": "4",
              "partial_implementation": true,
              "notes": [
                "While the CSS property is parsed and accepted, it does not have any effect.",
                "Scheduled for removal (see <a href='https://bugzil.la/1388910'>bug 1388910</a>)."
              ]
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "prefix": "-webkit-",
              "version_added": "15"
            },
            "opera_android": {
              "prefix": "-webkit-",
              "version_added": "14"
            },
            "safari": [
              {
                "version_added": "3",
                "prefix": "-webkit-"
              },
              {
                "version_added": "2",
                "version_removed": "3",
                "prefix": "-khtml-"
              }
            ],
            "safari_ios": {
              "version_added": "5",
              "prefix": "-webkit-"
            },
            "samsunginternet_android": {
              "version_added": "1.0",
              "prefix": "-webkit-"
            },
            "webview_android": {
              "prefix": "-webkit-",
              "version_added": "37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        },
        "read-write-plaintext-only": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "5"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      }
    }
  }
}