default namespace t = "http://xproc.org/ns/testsuite"
namespace p = "http://www.w3.org/ns/xproc"
namespace c = "http://www.w3.org/ns/xproc-step"

start = Data | ZipFile

Data =
   element c:data {
      attribute name { text },
      attribute content-type { text },
      text
   }

ZipFile =
   element c:zipfile {
      attribute href { xsd:anyURI },
      (File|Directory)*
   }

File =
   element c:file {
      attribute name { text },
      attribute size { xsd:integer }?,
      attribute compressed-size { xsd:integer }?,
      attribute date { xsd:dateTime }?,
      attribute comment { text }?,
      empty
   }

Directory =
   element c:directory {
      attribute name { text },
      attribute date { xsd:dateTime }?,
      attribute comment { text }?,
      empty
   }