w3c/banana-rdf — pull request #113 by jmvanel (2014-08-31 10:55:09+00:00)
Title: FIX GraphStoreExample : multiple Commands in store.execute{} had a bad syntax 

But I found a problem:

val graphAsString = RDFXMLWriter.asString(gr, base = timblCard) getOrElse sys.error("coudn't serialize the graph")

( line 65 ) returns an empty string,
although the gr:Rdf#Graph object looks good when calling :
println(gr)