[OT] editing chunked xml files with XEmacs in psgml mode

Hi,

I've got a small problem telling xemacs how to handle chunks of my xml
docbook document.

I have split it into 4 different file and used 
<!ENTITY file     SYSTEM "chapters/file.xml" > to include them into
the main document.

XEmacs does very well display the main document, but it refues to color the
other documents. Can I give it some hint about those files ?
I tried to give them a separate DOCTYPE declaration, but xmllint said,
it is illegal.

Does somebody use chunked xml files and has syntax highlighting ?

Ciao

Jens Skripczynski
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