anchor.diff:  -endif.
   
   %% line_file_anno(Line, State) -> Anno.
  -%%  Make annotation witj line number and file.
  +%%  Make annotation with line number and file.
   
   line_file_anno(L, St) ->
       [L,{file,St#cg.file}].
  +
  +%% comp_gen_anno(Line, State) -> Anno.
  +%%  Make annotation with line number and compiler_generated.
  +
  +comp_gen_anno(L, _) ->
  +    [L,compiler_generated].
   
   %% new_symb(State) -> {Symbol,State}.
   %% Create a hopefully new unused symbol.
  
positive.code: ann_c_apply(Ann, Op, As) ->
      cerl:ann_c_apply(Ann, Op, As).
  
  c_values(Vs) ->
      cerl:c_values(Vs).
  
  get_ann(Node) -> cerl:get_ann(Node).
  set_ann(Node, Ann) -> cerl:set_ann(Node, Ann).
  
negative.code:             {Cb,St4} = comp_body(B, Env1, L, St3),
              {Cvs,St5} = new_c_vars(length(Ces), L, St4),
              Cf = let_fail(Cvs, L, St5),
              {ann_c_case([L], ann_c_values([L], Ces),
                          [ann_c_clause([L], Cps, Cg, Cb),Cf]),
               St5}
      end.
  