{
  "version": {
    "_number": "$Revision$"
  },
  "keyword": {
    "u": {
      "ms": {
        "_description": "Measurement System",
        "_alias": "measure",
        "_since": "28",
        "metric": {
          "_description": "Metric System",
          "_since": "28"
        },
        "uksystem": {
          "_description": "UK System of measurement: feet, pints, etc.; pints are 20oz",
          "_alias": "imperial",
          "_since": "28"
        },
        "ussystem": {
          "_description": "US System of measurement: feet, pints, etc.; pints are 16oz",
          "_since": "28"
        }
      },
      "mu": {
        "_description": "Allows setting overrides for measurement units. Currently limited to quantity=temperature, and no provision for usage or size.",
        "_since": "42",
        "celsius": {
          "_description": "temperature unit is Celsius",
          "_since": "42"
        },
        "fahrenhe": {
          "_description": "temperature unit is Fahrenheit",
          "_since": "42"
        },
        "kelvin": {
          "_description": "temperature unit is Kelvin",
          "_since": "42"
        }
      }
    }
  }
}