REC-xml-19980210 unparsed entity
cowan at locke.ccil.org
Thu Oct 15 18:11:45 BST 1998
Richard Emberson wrote:
> In section 4.4, the spec states when a parsed general entity
> "occurs as Attribute value", it is forbidden which means that a
> fatal error has occurred.
I suppose this is an error on your part for "unparsed general entity"
or "parsed external entity". Parsed general entities include
internal entities, references to which are permitted.
> In section 3.3.1, part: "Validity Constraint: Entity Name",
> it is a validity constraint violation if the value is not a Name
> of an unparsed entity.
> It seems that there are two different actions for the same condition.
These are two distinct matters.
Clause 4.4 says that a *reference* to an external entity, parsed
or unparsed, is forbidden in attribute values. Doing so is a violation
of the WFC "No External Entity References" in clause 3.1.
Clause 3.3.1 says that the value of an entity attribute must be
the name of (not a reference to) an unparsed external entity.
That is a validity constraint, since non-validating parsers may
not be aware of the type of an attribute, and are free to treat
them all as CDATA.
John Cowan http://www.ccil.org/~cowan cowan at ccil.org
You tollerday donsk? N. You tolkatiff scowegian? Nn.
You spigotty anglease? Nnn. You phonio saxo? Nnnn.
Clear all so! 'Tis a Jute.... (Finnegans Wake 16.5)
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