[DFDL-WG] Minor clarification needed: kind of error if dfdl:choiceDispatchKey evaluates to an empty string

[Mike Beckerle]

The spec for property dfdl:choiceDispatchKey says

"The expression must evaluate to an xs:string which must not be the empty
string."

It fails to say whether this "must not" is a processing error or
schema-definition error.

Consistent with delimiter expressions evaluating to empty string, I believe
this should be an SDE.

...mikeb

Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology |
www.tresys.com
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