Accessing the Document Prolog with Jade

[SGML@xxxxxxxxxxxxx]

I´m trying to do an SGML transformation using Jade.
At this stage, I´d be happy to have an identity transformation, but I dont´t
know how to copy the document prolog, in particular external entity
declarations like
<!ENTITY internal SYSTEM "w:\daten\sgml\graphic\aom\internal.tif" NDATA
ccitt4>.
The don´t appear in the oputput.

Can anybody help?

Thanks in advance
   Marcus



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