| Attributes | 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)) 
    | type | specifies the type of the feature structure. | Status | Optional |  | Datatype |  |  | Values | Character string, e.g. word structure. | 
 |  | feats | (features) references the feature-value specifications making up this feature structure. | Status | Optional |  | Datatype | 1–∞ occurrences of separated by whitespace |  | Values | one or more identifiers of f elements. |  | Note | May be used either instead of having features as content, or in
  addition. In the latter case, the features referenced and contained
  are unified.  | 
 |  |