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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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