library(RXMCDA)
tree = newXMLDoc()
newXMLNode("xmcda:XMCDA", namespace = c("xsi" = "http://www.w3.org/2001/XMLSchema-instance", "xmcda" = "http://www.decision-deck.org/2009/XMCDA-2.0.0"), parent=tree)
root<-getNodeSet(tree, "/xmcda:XMCDA")
val<-newXMLNode("value", parent=root[[1]], namespace=c())
newXMLNode("real",3.14,parent=val, namespace=c())
y<-getNodeSet(tree,"//value")
stopifnot(getNumericValue(y) == 3.14)
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