message: Add comment that QuadratureFunction constructor takes a host pointer
diff: @@ -48,10 +48,12 @@ public:
  : QuadratureFunction(*qspace_, vdim_) { }
  /** @brief Create a QuadratureFunction based on the given QuadratureSpaceBase,
  - using the external data, @a qf_data. */
  + using the external (host) data, @a qf_data. */
  /** The QuadratureFunction does not assume ownership of the
  QuadratureSpaceBase or the external data.
  - @warning @a qspace_ may not be NULL. */
  + @warning @a qspace_ may not be NULL.
  + @note @a qf_data must be a valid **host** pointer (see the constructor
  + Vector::Vector(double *, int)). */
  QuadratureFunction(QuadratureSpaceBase *qspace_, double *qf_data, int vdim_ = 1)
  : Vector(qf_data, vdim_*qspace_->GetSize()),
  qspace(qspace_), own_qspace(false), vdim(vdim_) { }
  