# XはてなML: Structure Module

# はてなダイアリーの構造要素

start = element diary { diary-content }

diary-content = element head { head-content }, body-content

head-content = 
   element title { xml-lang?, text }
 & element author { xml-lang?, text }?
 & element contact { xml-lang?, text }?
 & element base { xsd:anyURI }?

xml-lang = attribute xml:lang { xsd:language }

body-content = 
   element day { 
      attribute date { date-content }?,
      element title { text }?, # タグ使えません
      element photo { photo-content }?,
      anonymous-section?,
      element section { section-content }*
   }*

date-content = xsd:date #TBD: タイムゾーン不許可にする

photo-content = 
   attribute src { xsd:anyURI },
   attribute title { text }?

anonymous-section = Block.model

section-content = 
   attribute id { text }?, #TBD: id は半角英数のみ、't' はダメ
   ( element title { title-content }
    & element c { category-content }*
   ),
   Block.model

title-content = 
   Inline.model

category-content = text