Re: IDREF constraint

Alessandro Di Bella <> writes:

> does anyone know if there is a way of constraining the value if an IDREF
> attribute in order allows as values only IDS of specified elements ?

Use (key or unique) and keyref, then you can have separate namespaces
for different key families.  There's an introduction to key/keyref in
the Primer [1].

ht

[1] http://www.w3.org/TR/xmlschema-0/
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