anchor.diff:  input_pars_1(_) ->
       throw:error(badarg).
   
  +%%@private
   init_composite_refac(ModName, Args=[CurFileName, [Line,Col],
                                       [[StartLine, StartCol],
                                        [EndLn, EndCol]], UserInputs,
  
positive.code: %%@author  Huiqing Li <H.Li@kent.ac.uk>
  %%
  %%
  -module(gen_composite_refac).
  
  -export([init_composite_refac/2,
  
negative.code: stop_cmd_server() ->
      wrangler_cmd_server:stop().
     
  %%@private
  get_next_command(PrevResult) ->
      Cmd=wrangler_cmd_server:get_next_command(PrevResult),
      case Cmd of 
  