Re: B.1 and B.2 results

>In my book, "osfiles" have no header information, and the "storage
>object identifier" on the right hand side of an SGML Open TR9401 catalog
>is the name of a file, all bytes of which gets sent to the SGML
>parser.  So, I would expect most existing SGML systems would need to
>be modified to process files that are "headed" by data that are not
>supposed to be sent to the SGML parser.

I would say that most, if not all parsers actually have the SO
passing through an entity manager before it get's passed on to
the parser.