>So you need to bite the bullet: as a consequence of this DTD, the 
>chapter element is in the namespace 
>http://www.elsevier.com/xml/common/dtd, and your stylesheet therefore 
>needs to match it exactly as if it were written <chapter 
>xmlns="http://www.elsevier.com/xml/common/dtd"> in the source document.

And I need to add some other namespaces. :-((


>To get the external entities you need to read the DTD, and if you read 
>the DTD, the default attributes/namespaces will apply.

Or other way around (dirty) is to replace all named entities to 
corresponding hexadecimal before transforming.

/&dagger;/&#x2020;/gi

Perl, may comes to rescue.