+#- rexml sanity check again (bug in ruby 1.8.6-p111)
+xmldoc = Document.new "<booh/>"
+xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, 'UTF-8')
+elem = xmldoc.root.add_element('elem')
+elem.add_text('cdata')
+tmp = Tempfile.new("sanitytemp")
+tmp.close!
+ios = File.open(sanity_filename = tmp.path, File::RDWR|File::CREAT|File::EXCL)
+xmldoc.write(ios, 0)
+ios.close
+
+xmldoc = Document.new(File.new(sanity_filename))
+File.delete(sanity_filename)
+if xmldoc.root.elements['elem'].get_text.value != 'cdata'
+ puts _("REXML sanity check failed (this is normal with unpatched ruby-1.8.6-p111, which ships a broken REXML). For safeness, won't proceed.")
+ puts "Notice for bug reporting: REXML has version: #{REXML::VERSION} at date: #{REXML::DATE}."
+ exit 1
+end
+
+