[Expat-discuss] Re: Entity References when there's no DTD

[Karl Waclawek]

> On Wed, 15 Oct 2003, Karl Waclawek wrote:
> 
> >    1) An entity reference is encountered for which no declaration
> >       has been read *and* this is not an error.
> 
> OK, my real question was 'what constitutes an error?'

Yes, but that's not an Expat question.;-)

> - but I
> just found http://www.w3.org/TR/REC-xml#wf-entdeclared
> which defines the very problem as a 'Well-formedness constraint':
> 
> "In a document without any DTD, a document with only an internal DTD 
>  subset which contains no parameter entity references, or a document with 
>  "standalone='yes'", for an entity reference that does not occur within 
>  the external subset or a parameter entity, the Name given in the entity 
>  reference must match that in an entity declaration that does not occur 
>  within the external subset or a parameter entity, except that well-formed 
>  documents need not declare any of the following entities: amp, lt, gt, 
>  apos, quot."

Not easy to read ...

Karl