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: %%  test by checking the test and only adding one when we know the
  %%  test won't automatically return a boolean value.
  
  comp_guard_test([call,[quote,erlang],[quote,Op]|Args]=Test, Env, L, St) ->
      comp_guard_test_1(Test, Op, Args, Env, L, St);
  comp_guard_test([Op|Args]=Test, Env, L, St) ->
      comp_guard_test_1(Test, Op, Args, Env, L, St).
  
  comp_guard_test_1(Test, Op, Args, Env, L, St0) ->
      Ar = length(Args),
  
negative.code: ann_c_apply(Ann, Op, As) ->
      cerl:ann_c_apply(Ann, Op, As).
  
  ann_c_values(Ann, Vs) -> cerl:ann_c_values(Ann, Vs).
  
  get_ann(Node) -> cerl:get_ann(Node).
  set_ann(Node, Ann) -> cerl:set_ann(Node, Ann).
  