anchor.diff:  
   %%% Purpose: Implements the qlc Parse Transform.
   
  -%%-export([parse_transform/2, transform_from_evaluator/2, 
  -%%         transform_expression/2]).
  --export([transform_from_evaluator/2,transform_expression/2]).
  +-export([parse_transform/2, transform_from_evaluator/2, 
  +         transform_expression/2]).
   
   -export([expand/1]).
   
  
positive.code:             end
      end.
  
  transform_from_evaluator(LC, Bindings) ->
      ?DEBUG("qlc Parse Transform (Evaluator Version)~n", []),
      transform_expression(LC, Bindings, false).
  
  transform_expression(LC, Bindings) ->
      transform_expression(LC, Bindings, true).
  
  expand(LC) ->
      %%io:format("LC <- ~p\n", [LC]),
  
negative.code:                                      {LC,dict:store(Id, E, Dict)}
                               end, Source0, FormsNoShadows, State),
  
  
      %% Unused variables introduced in filters are not optimized away.
      F2 = fun(Id, {lc,_L,E,Qs}, {IntroVs0,XWarn0}) ->
                   LcNo = get_lcid_no(Id),
  