{
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/source",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5",
              "notes": "Until Firefox 15, Firefox picked the first source element that has a type matching the MIME-type of a supported media format; see <a href='https://bugzil.la/449363'>bug 449363</a> for details."
            },
            "firefox_android": {
              "version_added": "4",
              "notes": "Until Firefox 15, Firefox picked the first source element that has a type matching the MIME-type of a supported media format; see <a href='https://bugzil.la/449363'>bug 449363</a> for details."
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "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": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
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              "firefox": {
                "version_added": "15"
              },
              "firefox_android": {
                "version_added": "15"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "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
            }
          }
        },
        "sizes": {
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            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": [
                {
                  "version_added": "38"
                },
                {
                  "version_added": "33",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.image.picture.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "38"
                },
                {
                  "version_added": "33",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.image.picture.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": [
                {
                  "version_added": "9"
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                {
                  "version_added": "7",
                  "partial_implementation": true
                }
              ],
              "safari_ios": [
                {
                  "version_added": "9"
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                {
                  "version_added": "8",
                  "partial_implementation": true
                }
              ],
              "samsunginternet_android": {
                "version_added": true
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              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
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          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "3.5"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": true
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              "webview_android": {
                "version_added": true
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            "status": {
              "experimental": false,
              "standard_track": true,
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            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "≤18"
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                {
                  "version_added": "33",
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                    {
                      "type": "preference",
                      "name": "dom.image.picture.enabled",
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                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "38"
                },
                {
                  "version_added": "33",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.image.picture.enabled",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": [
                {
                  "version_added": "9"
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                {
                  "version_added": "7",
                  "partial_implementation": true
                }
              ],
              "safari_ios": [
                {
                  "version_added": "9"
                },
                {
                  "version_added": "8",
                  "partial_implementation": true
                }
              ],
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "type": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
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              "firefox": {
                "version_added": "3.5"
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              "firefox_android": {
                "version_added": "4"
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              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
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              "samsunginternet_android": {
                "version_added": true
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              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
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          }
        }
      }
    }
  }
}