# NOT RUN {
  f = system.file("exampleData", "catalog.xml",  package = "XML")
  doc = xmlInternalTreeParse(f)
  docName(doc)
  doc = xmlInternalTreeParse("<a><b/></a>", asText = TRUE)
      # an NA
  docName(doc)
  docName(doc) = "Simple XML example"
  docName(doc)
# }
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