#RNC for NMrdf
#-------------
namespace rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
namespace epita = "http://epita/masters/international/" 

start = RDFroot

RDFroot = element rdf:RDF { base, descr* }
base = attribute xml:base { xsd:string }
descr = element rdf:Description { name, value }
name = attribute rdf:about { xsd:string  { pattern = "#.+" }}
value = element epita:mark { xsd:int { minInclusive = "0" maxInclusive = "20" } }