Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'unitList'
        |     |___text '\n      '
        |     |___element 'unit'
        |     |     |  \___attribute 'id' = 'proportion'
        |     |     |  \___attribute 'name' = 'proportion'
        |     |     |  \___attribute 'parentSI' = 'mole'
        |     |     |  \___attribute 'unitType' = 'amount'
        |     |     |___text '\n        '
        |     |     |___element 'description'
        |     |     |     |___text 'fraction between 0 and 1'
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '