RE: ambiguous content model - yea or nay?

I can't think of any W3C XML Schema constraints this complex type
violates. Why do you think it is invalid? 

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  _____  

	From: Paul Kiel [mailto:paul@hr-xml.org] 
	Sent: Tuesday, February 11, 2003 11:37 AM
	To: xmlschema-dev@w3.org
	

	
	Question all,
	 
	I am getting an "ambiguous content model" error when validating
an instance conforming to this schema:
	
	<xsd:complexType>
	     <xsd:sequence maxOccurs="unbounded">
	          <xsd:element name="AvailabilityStartDate"
type="AnyDateTimeNkType" minOccurs="0"/>
	          <xsd:element name="AvailabilityEndDate"
type="AnyDateTimeNkType" minOccurs="0"/>
	     </xsd:sequence>
	</xsd:complexType>
	 
	I only get the error from 1 of 5 parsers/tools that I validate
against.  And only when validating the instance (the schema validates
just fine with that same tool).
	 
	The more I looked at it, the more it seemed "technically" true
but I wasn't sure.
	 
	(For the record, this is a bug fix - I plan on eliminating the
maxOccurs attribute on the sequence.)
	 
	Curiously,
	 
	Paul Kiel
	HR-XML Consortium