> On 16/07/2012 13:51, David Lee wrote:
> > A) sequence of one document represented the same as a single document ,
> AND
> > B) concatenation of single documents producing sequences AND
> > C) a single document being readable as XML
>
>
> well...
>
> I think the string
>
>
> <?xml version="1.0"?><!--]]>]]>-->
>
>
> can only appear at the start of an XML document and can not appear in
> element or attribute content nor in comments or cdata sections.
>
True but if the document didnt *happen* to start like that the string would have to be inserted,
and thus break rule #3
And if it DID start that way it and you didnt insert it then it would break #A because you couldnt tell the difference between the marker
and the start of an actual document.