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> > A 'same declaration' could also be an identical component, > couldn't it? > If yes, then shouldn't the following model be accepted by > Saxon as well? > I'm a bit scared of the necessity of component identity checks here. > > <xs:choice> > <xs:element name="a"/> > <xs:element name="b"/> > <xs:sequence> > <xs:element name="a"/> > <xs:element name="b"/> > </xs:sequence> > </xs:choice> > The term "identity" is a bit confusing here. As far as Saxon is concerned, if you write <choice> <element ref="a"/> <element ref="a"/> </choice> <element name="a"/> then there are two element particles and one element declaration, while if you write <choice> <element name="a"/> <element name="a"/> </choice> then there are two particles and two declarations. Two declarations are not considered identical merely because they have the same content. Michael Kay
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