jsp includes, resolving imports, taglibs etc

I've seen a number of similar questions posted, but can't find any definitive answers so I'm posting here.

If I include another jsp ( <%@ include file="included.jsp" %> ), in a jsp. Build #648 highlights errors on the included page as it can't find import statements, tag definitions etc. Is there a setting somewhere that I've missed or is this just something that hasn't been done yet? I realise that there is nothing in the included page that tells it what pages are using it, so I can see how this would be difficult to resolve.

Thanks.

Steven Shand