Re: A17: keep or drop entities?

>There is the problem, that I discovered following the pointer that you
>provided me, that not all of the character entities have an equivalent
>in Unicode. I've only skimmed over this issue so far, so I don't have
>complete information, but I think it is still an issue.

We need SDATA internal entities for precisely the reason given 
here. I am aware of certain EBT customers for whom this is
a major issue.