by namespace CGAL { and } //namespace CGAL. in all .h and .cpp files
in a directory.
Apply it to all packages in the trunk
Remove macro definition from the config.h file.
sign_of_determinant2x2
sign_of_determinant3x3
sign_of_determinant4x4
sign_of_determinant5x5
sign_of_determinant6x6
to:
sign_of_determinant
So that we have less dimension-dependent namings, at least internally...