<country> (country) contains the name of a geo-political unit, such as a nation, country, colony, or commonwealth, larger than or administratively superior to a region and smaller than a bloc. [13.2.3. Place Names]
<sch:rule context="tei:*[@calendar]"> <sch:assert test="string-length( normalize-space(.) ) gt 0"> @calendar indicates one or more systems or calendars to which the date represented by the content of this element belongs, but this <sch:name/> element has no textual content.</sch:assert> </sch:rule>