> Is it in the spirit of XML to let the parser expand the 
> entity references back to themselves? For example, in the 
> above situation, is this a reasonable thing to do:
> 
> <!ENTITY euro "&amp;euro;">
> 

I don't think you've explained what you are trying to achieve. There might
be sane reasons for writing an application that treats &quot; and "
differently, but I can't think of them offhand.

Michael Kay
http://www.saxonica.com/