' ', ' ', ' ' ' ' - THOSE ARE NBSPs
THESE ARE ALSO NBSPs CHARACTERS: ' ', ' ', ' '
These elements are totally nonsense '&invalid;' '&fruitcake;'
These two entities should look different 'δ' 'Δ'
Other elements should also be transparently encoded into hex-refs or unicode '♥' '©' '↑' '→' 'κ'
These elements should remain named because they're valid in both XML and HTML. '<' '>' '"' '&'
This element is only valid in XML '