CDATA by any other name... (was The raw and the cooked)

[Chris Lovett]

I like Rick's idea of xml:content-mode="CDATA".  This definitely
disambiguates this whitespace case for the validating parser.

So 
  <!DOCTYPE a [
    <!ELEMENT a (b, c)>
    <!ELEMENT b EMPTY>
    <!ELEMENT c EMPTY>
  ]>
  <a><![CDATA[  ]]><b/><c/></a>

would become:

  <!DOCTYPE a [
    <!ELEMENT a (b, c)>
    <!ATTLIST a xml:content-mode CDATA #FIXED "CDATA">
    <!ELEMENT b EMPTY>
    <!ELEMENT c EMPTY>
  ]>
  <a>  <b/><c/></a>

It's true that a non-validating parser will have difficulty with the latter
example, but that is solved by putting the xml:content-mode attribute on the
instance.

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