{
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    "properties": {
      "columns": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/columns",
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              {
                "version_added": true
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              {
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                "version_added": "2.1"
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              {
                "version_added": "50"
              },
              {
                "prefix": "-webkit-",
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            ],
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              "version_added": "50"
            },
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              {
                "version_added": "12"
              },
              {
                "prefix": "-webkit-",
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              }
            ],
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              {
                "version_added": true
              },
              {
                "prefix": "-webkit-",
                "version_added": true
              }
            ],
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              {
                "version_added": "52"
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              {
                "prefix": "-moz-",
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            ],
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              {
                "version_added": "52"
              },
              {
                "prefix": "-moz-",
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              }
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              {
                "version_added": "11.1"
              },
              {
                "prefix": "-webkit-",
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            ],
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                "version_added": "11.5"
              },
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                "prefix": "-webkit-",
                "version_added": "32"
              }
            ],
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              "prefix": "-webkit-",
              "version_added": "3"
            },
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              "version_added": "3.2"
            },
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            }
          },
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            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "on_display_table_caption": {
          "__compat": {
            "description": "On <code>display: table-caption</code>",
            "support": {
              "webview_android": {
                "version_added": true
              },
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": true
              },
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                "version_added": true
              },
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              },
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              },
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                "version_added": true
              },
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                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
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                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}