external dtd subset content

[james anderson]

aha!
i was missing the relation between external parsed entity and external subset.

to the drafters: a link from the discussion between [30] and [31] down to the
discussion concerning parsed entities ([78]+) would help here.
thanks.

David Megginson wrote:

> james anderson writes:
>
>  > 2? among the example DTD's we've found, some begin with an <?xml ... >
>  > form. others don't. isn't that form excluded from being a PI and thus
>  > from being a markupdecl?
>
> No, on two counts:
>
> ...

> 2) The <?xml...?> that you see at the beginning of the external subset
>    is not a processing instruction but a text declaration (which is
>    similar but not identical to an XML declaration).  For example, if
>    my external subset were encoded in ISO Latin 1, I would be required
>    to put the following declaration at the top:




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