default namespace = "urn:oasis:names:tc:opendocument:xmlns:container"
   include "./mod/datatypes.rnc"

   start = ocf.container
      
   ocf.container = element container {
      attribute version { '1.0' } & 
      element rootfiles {
         element rootfile {
            attribute full-path { datatype.URI } &
            attribute media-type { 'application/oebps-package+xml' }
         }+
      }
   }