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    But you could just use the HTML outputs as the node value and they would work equally well, only that they appear as XML-escaped. Commented Nov 11, 2009 at 15:58
  • Yes but that incurs a performance cost of having to convert to escaped HTML and then back out again, probably minor in a lot of use cases but within a transport mechanism particularly one with high load it is potentially significant. Also as I highlight, when working with legacy systems it can be dangerous to assume that they can escape the characters let alone that they will consistently. Commented Nov 11, 2009 at 16:22