Indeed, Class_2<R>::Subclass needs a typename qualifier for MIPSPRO 7.3 although
it worked with the other compilers
Made an essay (Point_2.cpp) for a file that compiles with VC++. I don't know if
there will be a release for VC++ soon because of that though. All member
definitions that depend on a template parameter must be put inside the class.
Hervé Brönnimann