default namespace = "http://riboseinc.com/isoxml"

# grammar {

start = iso-standard

iso-standard = 
  element iso-standard {
    title+,
    status,
    creator,
    language,
    script,
    type,
    id,
    version?,
    copyright,
    sections
  }

language =
  element language { ( "en" | "fr" ) }

script =
  element script { "latn" }

# draft into isodoc? To replace version/version?
version =
  element version {
    edition?,
    revision-date?,
    draft?
  }

draft = element draft {text}

copyright = 
  element copyright {
    from, owner
}

owner = 
  element owner {
    owner-affiliation  
}

owner-affiliation = element affiliation { "ISO" }

id =
  element id {
    documentnumber,
    tc-documentnumber?
  }

creator =
  element creator { 
    attribute role { text },
    technical-committee,
    subcommittee?,
    workgroup?,
    secretariat?
  }

type =
  element type {
     ( "international-standard" | "technical-specification" | 
       "technical-report" | "publicly-available-specification" | 
        "international-workshop-agreement" | "guide" )
  }

status =
  element status {
     stage,
     substage?
  }

stage = 
  element stage {
    ("00" | "10" | "20" | "30" | "40" | "50" | "60" | "90" | "95" )
  }

substage = 
  element substage {
    ("00" | "20" | "60" | "90" | "92" | "93" | "98" | "99" )
  }

documentnumber = 
  element project-number { 
    attribute part { xsd:int }?,
    xsd:int 
   }

tc-documentnumber = 
  element tc-document-number { 
    xsd:int 
   }

technical-committee =
  element technical-committee {
    attribute number { xsd:int }?,
    text
  }

subcommittee =
  element subcommittee {
    attribute number { xsd:int }?,
    text
  }

workgroup =
  element workgroup {
    attribute number { xsd:int }?,
    text
  }

secretariat =
  element secretariat { text }

title = 
  element title { 
    attribute language { text }, 
    title-intro?, title-main, title-part? 
}

title-intro =
  element title-intro { text }

title-main =
  element title-main { text }

title-part =
  element title-part { text }

sections =
  element sections {
    content, content?, 
    clause, references, terms, clause+, 
    annex*, references?
  }

references =
  element references {
    attribute id { xsd:ID }?,
    section-title?,
    bibitem*,
    references*
}

terms = 
  element terms { 
    attribute id { xsd:ID }?,
    section-title?,
    # boilerplate
    paragraph-with-footnote*, ul?,
    (term+ | terms? )
  }

term = 
  element term { 
    attribute id { xsd:ID }?,
    preferred, admitted*, deprecates*,
    termdomain?, definition, termnote*, termexample*, termsource* 
  }

definition =
  element definition {
    ( paragraph | figure | formula )+
  }

origin =
  element origin { 
    attribute citeas { text },
    CitationType 
}

clause-hanging-paragraph-with-footnote =
  element subsection {
    attribute id { xsd:ID }?,
    attribute  inline-header  {   xsd:boolean  } ? ,
    section-title?,
    # allow hanging paragraphs in annexes: they introduce lists
    BasicBlock*,
    clause-hanging-paragraph-with-footnote*
  }

annex =
  element annex { 
    attribute id { xsd:ID }?,
    attribute inline-header { xsd:boolean }?,
    attribute subtype { "normative" | "informative" }?,
    section-title?,
    # allow hanging paragraps in annexes: they introduce lists
    #( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | figure | quote | sourcecode | review | example )*,
    BasicBlock*,
    clause-hanging-paragraph-with-footnote*
  }

figure = 
  element figure {
    attribute id { xsd:ID },
    tname?,
    ( image | figure+ ),
    fn*,
    dl?,
    note*
  }

li =
  element li {
    #( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | quote | sourcecode | review | example )+
    BasicBlock+
    # exclude figures?
  }

dd =
  element dd {
    #( paragraph-with-footnote | table | note | formula | admonition | ol | ul | dl | quote | sourcecode | review | example )*
    # exclude figures?
    BasicBlock
  }

admonition =
  element admonition { 
    attribute id { xsd:ID },
    attribute type { 
     ( "danger" | "caution" | "warning" | "important" | "safety precautions" )},
    paragraph-with-footnote+ 
  }

xref =
  element xref { 
    attribute target { xsd:IDREF },
    text
  }

hyperlink =
  element link {
    attribute target {xsd:anyURI},
    text
}

thead =
  element thead { tr+ }

td =
  element td {
    attribute colspan { text }?,
    attribute rowspan { text }?,
    attribute align { "left" | "right" | "center" }?,
    (
      (TextElement | fn | review )* |
      paragraph-with-footnote+
    )
}

th =
  element th {
    attribute colspan { text }?,
    attribute rowspan { text }?,
    attribute align { "left" | "right" | "center" }?,
    (
      (TextElement | fn | review )* |
      paragraph-with-footnote+
    )
}

table-note = element note {
    attribute id { xsd:ID }?,
 paragraph
}


Clause-Section =
    attribute id { xsd:ID }?,
    attribute inline-header { xsd:boolean }?,
    section-title?,
    (
      BasicBlock+ |
       clause-subsection+
    )


BibliographicItem =
     attribute id { xsd:ID },
     attribute type { "article" | "book" | "booklet" | "conference" | "manual" |
                      "proceedings" | "presentation" | "thesis" | "techreport" |
                      "standard" | "unpublished" }?,
    (bname | formatted), source?, publishdate?, docidentifier*, accesseddate?, creator*,
    publisher*, edition?,
    biblionote*, partof*, creationdate?, language*, script*, abstract?


# }