function decimalCoordinatePair(coord) {
    return t('units.coordinate_pair', {
        latitude: clamp(coord[1], -90, 90).toFixed(OSM_PRECISION),
        longitude: wrap(coord[0], -180, 180).toFixed(OSM_PRECISION)
    });
}
Returns the given coordinate pair in decimal format.
note: unlocalized to avoid comma ambiguity - see #4765

@param {Array<Number>} coord longitude and latitude