Re: C.4 Undeclared entities?
>It for sure is not valid. The controversial question at this point is,
>should the XML spec bless a state called well-formedness without requiring
>a <!DOCTYPE? Even though I think a <!DOCTYPE is a good idea, I think
>the XML spec *should* so bless XML fragments, because they're going to
>happen anyhow, blessed or unblessed; successful standards do not rule
>out typical everyday behavior.
The last sentence here is something we would all do well to remember.
No matter what we do, users are the ones who have the last say, and
one option they have is ognoring the spec, or walking away from it.