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XML schema - case-insensitive xs:unique? - newbie question
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I have this in my schema file:

<xs:element name="ListOfNames">
<xs:element ref="CaseInsensitiveName"
minOccurs="0" maxOccurs="unbounded"/>
<xs:unique name="UniqueNames">
<xs:selector xpath="CaseInsensitiveName"/>
<xs:field xpath="."/>

<xs:element name="CaseInsensitiveName">
<xs:restriction base="xs:string">
<xs:minLength value="1"/>
<xs:maxLength value="24"/>

and this in my instance document:



xmlnss="" and

This validates, unless I add a second "Fred" when the case-sensitive
unique constraint kicks in.

But is there a way to make the unique constraint case-insensitive, so
that the example above is invalid because both "Fred" and "fred" are

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