Not if you can't enforce the rule by SGML parsing, preferably with
sgmls or the new SP (both of which are free by courtesy of James
Clark, the English one). Can you think of a way to do that?
-- Terry Allen (terry@ora.com) O'Reilly & Associates, Inc. Editor, Digital Media Group Sebastopol, Calif., 95472 terry@ora.com A Davenport Group sponsor. For information on the Davenport Group see ftp://ftp.ora.com/pub/davenport/README.html