Re: Transclusion

>The point I was trying to make (which I see now has nothing to do with
>transclusion) does concern whether an entity referenced by a syntactic entity
>reference must be accessed and parsed. According to 8879, it must
>but, as Steve correctly points out, the application -- as with any
>pcdata -- may choose whether or not to show it to the user after
>parsing it. 
>The only way to avoid this required access and parsing is to use an entity

If this is indeed the letter of the law, then the law is not very
applicable to XML. As I pointed out before, once there are
restrictions on the structure of entities, the *need* for accessing
the entities is removed.