MoinMoinWikiFormatSuggestion2

 DST=[DT1]

 DT1=[st1,st2,st3]

 ST1.min=1
 ST1.max=1
 ST1.type=literal
 ST1.subPropertyOf=dc:date  (eller st1.PropertyInSet=[foaf:mbox,vcard:mbox])
 ST1.objectType=literal (eller URI)
 ST1.literalInSet=["hej"@sv,"19971212"^^xml:date]
   eller
 ST1.literalSES=[xml:date,foaf:date]
   eller
 ST1.literalLanguage=[en,sv,de]

To be continued