Non-Validating XML Parsers: Requirements
cowan at locke.ccil.org
Tue Aug 4 20:47:13 BST 1998
David Brownell wrote:
> - Validating Parsers
> - Nonvalidating Parsers that read external definitions
> - Nonvalidating Parsers that don't read those definitions
> Point being that as section 5.2 makes clear, some WF errors will
> not be reported by the third category of parser, but must be
> reported by the other two.
I think, however, that NVPs may read some external entities (the
DTD external subset, say) but not others (like the content of
external general entities).
> That'd be "SHALL NOT" ... but I think that a parser which
> has read the external DTD entities MUST report as a WF error
> such problems. See the XML specification in section 5.2, which
> is explicit that this is a WF error AND that it's not consistently
No, it means "MAY fail to" or "MAY or may not".
> > 7. An NVP MAY NOT signal an error if a reference is made to an
> > unparsed entity, if the entity was declared in some external entity.
> As above -- this is a "MUST" if the parser reads external entities.
> and a "MUST NOT" elsewhere.
Unless it reads some e.e.s but not others.
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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