namespace rng = "http://relaxng.org/ns/structure/1.0"
datatypes xsd = "http://www.w3.org/2001/XMLSchema-datatypes"
default namespace = "http://josephhall.org/xml/shows" 

  venueContent =
    element name { text },
    element url { xsd:anyURI },
    element address { usAddress },
    element note { text }?,
    attribute venueCode { venueCodeContent }
  usAddress =
    element streetAddress { text }+,
    element city { text },
    element state { xsd:string { minLength = "2" maxLength = "2"}  },
    element zip { xsd:integer { totalDigits = "5"}}
  showContent =
    element artist { text,
    attribute url { xsd:anyURI }? }+,
    element createdOn { xsd:dateTime },
    element updatedOn { xsd:dateTime }?,
    element note { text }?,
    attribute date { xsd:date },
    attribute venueCode { venueCodeContent }
  venueCodeContent = 
    "GAMH"              # Great American Music Hall
    | "BOTH"            # Bottom of the Hill
    | "SLIMS"           # Slim's SF
    | "FILLMORE"        # Fillmore SF
    | "WARFIELD"        # Warfield SF
    | "HEMLOCK"         # Hemlock tavern
    | "POUND-SF"        # The Pound SF
    | "12GALS"          # 12 Galaxies, SF
    | "924GILMAN"       # 924 Gilman St.
    | "CAFEDUNORD"      # Cafe Du Nord, SF
    | "OAKLANDARENA"    # Oakland Arena
    | "ELBOROOM"        # The Elbo Room, SF
    | "STUDIOZ"         # Studio Z, SF
    | "ELRIO"           # El Rio, SF
    | "MEZZANINE"       # The Mezzanine, SF
    | "BIMBOS365"       # Bimbo's 365 Club, SF
    | "SFDCCONCOURSE"   # SF Design Center Concourse
    | "SHORELINEAMP"    # Shoreline Amphitheatre
    | "ANNIESSOCIAL"    # Annie's Social Club, SF
    | "111MINNA"        # 111 Minna Gallery, SF
    | "BILLGRAHAMCA"    # Bill Graham Civic Auditorium, SF
    | "UCBGREEKTHTR"    # UC Berkeley, Greek Theatre
    | "CATALYSTSC"      # Catalyst, Santa Cruz
    | "21GRAND"         # 21 Grand, Oakland, CA
    | "INDEPENDENTSF"   # The Independent, SF
    | "COMTHTRBERK"     # Community Theatre, Berkeley
    | "KNOCKOUT"        # The Knockout, SF
    | "UPTOWN"          # The Uptown, Oakland, CA
    | "REDDEVILLOUNGE"  # Red Devil Lounge, S.F.
    | "THEEPARKSIDE"    # Thee Parkside, S.F.
    | "METROOAKLAND"    # The Metro, Oakland, CA
    | "POPSCENE"        # Popscene, S.F
    | "RASPUTINBERK"    # Rasputin's, Berkeley, CA
    | "STORKCLUB"       # Stork Club, Oakland, CA
    | "FATCAT"          # Fat Cat, Modesto, CA
    | "VERDICLUB"       # Verdi Club, San Francisco, CA
    | "GRANDBROOM"      # Grand Ballroom, San Francisco, CA
  venueListContent =
      element venue { venueContent }*
  showListContent =
      element show { showContent }*
  start =
    element venueShowList {
      element venueList { venueListContent },
      element showList { showListContent }
    }