default namespace = "2018/commoning.rnc"
namespace xsd = "http://www/w3/org/2001/XMLSchema-datatypes"
namespace ns1 = "2018/commoning.rnc"
commoning = element commoning {persons & opinions & groups & operations & resources}
field = element field {attribute name {text}, text}
fields = element fields {attribute name {text}, ( field | fields )*}
grade = element grade {attribute name {text}, ( attribute abbrev {text} )?, ( attribute color {text} )?}
gradeRange = attribute grade {text} | attribute gradeMin {text} | attribute gradeMax {text} | ( attribute gradeMin {text}, attribute gradeMax {text} )
grades = element grades {attribute id {xsd:id}, ( attribute name {text} )?, grade*}
group = element group {attribute id {xsd:id}, ( attribute name {text} )?, fields*, members, group*}
groups = element groups {group*}
member = element member {attribute person {xsd:id}}
members = member*
operation = element operation {attribute id {xsd:id}, operation*}
operations = element operations {operation*}
opinions = element opinions {grades*}
person = element person {attribute id {xsd:id}, fields*}
persons = element persons {person*}
policy = element policy {attribute operation {text}, attribute by {xsd:id}, ( attribute toward {xsd:id} )?, rule*}
resource = element resource {attribute name {text}, policy*, resource*}
resources = element resources {resource*}
rule = element rule {attribute grades {xsd:id}, gradeRange}