frbo77

int2d(Th, 2, 5)(K*v*w) appears twice (bilinear part for 3D meshes Th) int1d(Th, 2, 5)(K*v*w) appears twice (bilinear part for 2D meshes Th)

The documentation on **Raviart-Thomas element** section 3.3.10 has some mistakes/incompleteness -- The formula giving `fh=f_h(x,y)` has some typo: the last term `\phi_{i_lj_l}` should be replaced by `\phi_{i_l}^k` -- The comments...