message: Update the doxygen documentation
diff: @@ -752,7 +752,8 @@ public:
  /// Copy the data from @a v.
  /** The size of @a v must be equal to the size of the associated
  - QuadratureSpace #qspace. */
  + QuadratureSpace #qspace times the QuadratureFunction dimension
  + i.e. QuadratureFunction::Size(). */
  QuadratureFunction &operator=(const Vector &v);
  /// Copy assignment. Only the data of the base class Vector is copied.
  