When I use the differential geometry package and setup a spherecial metric with greek letters using the palette it protects the variables displaying the actual greek symbol but it protects the basis elements (vectors and forms)  using the spelled versions i.e. dphi, dtheta.  In all subsequent calculations for other tensors like connection and curvature it displays the spelled names dphi dtheta whereas i would like to have the actual greek synbols displayed which it does in for example sin(φ...