<!ELEMENT time (intervalname*, date, date?, authority?)> <!ATTLIST time %a.common;>
The temporal period covered by the parent element, e.g. in a feature name context, the time during which a geogname was in use or in a place context, the time during which the feature existed at the given location. The presence of two date sub-elements implies a date range. If multiple date ranges are required, the time element should be repeated
The attribute "time" is %a.common.
TBA.