Hi, I want to define a schema (rather than DTD) that includes or is a customisation of Docbook. It have referenced oasis-open.org and found schema definitions that are equivalent to DTD. The schema's do not appear to be as easily customisable as the DTD's.
With DTD, removing an element is accomplished by redefining the class and changing the entity module definition to IGNORE. I don't see how to achieve this with the schema's. Schema's appear to use substitution group as the mechanism for inclusion in a 'class'. Elements definitions are used to define association to substitution group. I don't see how to change these 'associations' to substitution group. 'redefine' and 'restriction/extension' work on complex types, not elements. Thanks Scott
