We are using MARC SGML records to produce our folio output with a DSSSL
style-sheet.
Our records include some entities that are not defined in the ISO entity
sets declared in the MRCBFILE DTD.
I have added some entities in the MRCCHARS.ENT, but they are not
properly displayed. Although I have the idea that some changes in the
SGML declaration are needed, I don't know which.

Any suggestions are welcome.

Bas Peters
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