Robert Ramey writes:

OK - I've followed this farther down a very long chain

Here is as deep as I'm in a position to go:

Anytime this pair of headers is included either directly or indirectly, and the compiler is borland, you'll get a syntax error:

#include <boost/mpl/list.hpp> #include <boost/next_prior.hpp>

Robert, Thanks for the reduced test case. Fixed in the CVS now. -- Aleksey Gurtovoy MetaCommunications Engineering