I imagine that would only be possible with assertions in XML Schema 1.1.
XML Parser Development
IBM Toronto Lab
"Costello, Roger L." <firstname.lastname@example.org> wrote on 03/23/2010 12:56:14 PM:
> Hi Folks,
> Mixed content permits strings to be interspersed with elements. For
> example, this <Body> element has mixed content:
> Dear Sirs:
> This is to inform you that we <emp>really</emp>
> like your product.
> It is declared in XML Schemas like this:
> <element name="Body">
> <complexType mixed="true">
> <element name="emp" minOccurs="0" maxOccurs="unbounded" type="..." />
> Can the string portion (e.g., Dears Sirs: This is to ...) of the
> mixed content be constrained? Suppose I want to constrain the string
> portion within <Body> to be less than 200 characters, how would that be done?