| 屬性 | att.global (@xml:id, @n, @xml:lang, @rend, @rendition, @xml:base, @xml:space)  (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select))  (att.global.analytic (@ana))  (att.global.facs (@facs))  (att.global.change (@change)) 
    | when | gives the value of the date in standard form, i.e. YYYY-MM-DD. | 狀態 | 非必備的 |  | 資料類型 |  |  | 值 | a date in one of the formats specified in XML
      Schema Part 2: Datatypes Second Edition | 
 |  |