DOCBOOK: Re: Trouble validating with nsgmls

Norman Walsh <> writes:

> / Phil Glaser <> was heard to say:
> | I just figured this out: if I put the "OVERRIDE	YES" option at the top of
> | the catalog file (as it is in my catalog file for xhtml) everything works
> | fine. If anyone could explain _why_ this works, I'd appreciate it.
> 
> OVERRIDE YES in OASIS Catalogs tells the processor that PUBLIC
> identifiers are to be preferred over SYSTEM identifiers. With OVERRIDE
> NO, a SYSTEM identifier (if specified) will be used in preference to
> the PUBLIC identifier.
> 
> Since XML *requires* a SYSTEM identifier, OVERRIDE YES is necessary in
> order for the OASIS Catalog to have any effect if you're using XML.

Considering this, shouldn't "OVERRIDE YES" be included in docbook.cat
for the XML distribution?

Jens