message: Add note to `EliminateRHS`.
diff: @@ -879,7 +879,9 @@ public:
  z = A((0,x_b)); b_i -= z_i; b_b = x_b;
  where the "_b" subscripts denote the essential (boundary) indices/dofs of
  - the vectors, and "_i" -- the rest of the entries. */
  + the vectors, and "_i" -- the rest of the entries.
  +
  + @note This method is consistent with `DiagonalPolicy::DIAG_ONE`. */
  void EliminateRHS(const Vector &x, Vector &b) const;
  /** @brief Constrained operator action.
  