Re: order in the xml prolog

On 20/11/2007, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> I was mildly surprised to discover that comments and PIs are allowed before
> the DOCTYPE declaration.

Its always been allowed by XML.

> The DOCTYPE declaration is newly created by the serializer, it is not a copy
> of the DOCTYPE declaration in your source document. It will always precede
> any nodes that are present in the result tree. There's no way to control
> this. I can't imagine any circumstances where you really need to generate
> comments and PIs before the DOCTYPE declaration.

I suppose it could be possible that a PI to point at an OASIS catalog
was needed to resolve external entity references within the DTD.