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>Part of the problem may be that nobody knows what the PSVI is; there is
>no specification of it anywhere except in XML Schemas part 1, where it is
>hard to separate from the surrounding spec.
(This should not be taken as definitive.)
Two standard information items are extended: element and attribute.
The following properties are added to both:
[declaration]
If the item was sucessfully validated by an element or attribute
declaration, this is the declaration.
[type definition]
If the item was sucessfully validated by type, this is the
type definition.
[member type definition]
If the type is a union, this is the member of the union that was used.
[schema error code]
A list of errors, if the item is invalid.
[schema normalized value]
For a simply-typed item (eg an attribute), the value after the
whitespace normalization appropriate to the type.
[schema specified]
Either "infoset" or "schema", depending on whether the value was
defaulted by the schema.
[validation attempted]
"full", "partial", or "none". "full" means the item and its descendants
were all validated, "none" means none of them were, "partial" means
something in-between.
[validation context]
The ancestor element at which validation started (the validation root).
[validity]
"valid", "invalid", or "notKnown".
In addition, elements have these properties:
[nil]
True or false according to whether the element was nilled with xsi:nil.
[notation]
The attribute's (schema) notation declaration, if it has one.
[identity constraint table]
A table which I will not describe summarizing the identity constraints
associated with the element.
[ID/IDREF table]
A table on the validation root summarizing the ID/IDREF links.
[schema information]
An item on the validation root containing all the declarations in
the schema.
-- Richard
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