anchor.diff:  rename_fun_eclipse(FileName, Line, Col, NewName, SearchPaths, TabWidth) ->
       rename_fun(FileName, Line, Col, NewName, SearchPaths, TabWidth, eclipse).
   
  -%%-spec(rename_fun_command/6::(modulename()|filename(), atom(), integer(), atom(),[dir()], atom())->
  +%%-spec(rename_fun_command/7::(modulename()|filename(), atom(), integer(), atom(),[dir()], atom(), integer())->
   %%				       {error, string()} | {ok, [filename()]}).
  -rename_fun_by_name(ModOrFileName, OldFunName, Arity, NewFunName, SearchPaths, Editor) ->
  +rename_fun_by_name(ModOrFileName, OldFunName, Arity, NewFunName, SearchPaths, Editor, TabWidth) ->
       OldFunNameStr = case is_atom(OldFunName) of
   			true -> atom_to_list(OldFunName);
   			false -> throw({error, "Original function name should be an atom."})
  
positive.code: 
  -export([rename_fun/6, rename_fun_1/6,  rename_fun_eclipse/6, rename_fun_1_eclipse/6]).
  
  -export([rename_fun_by_name/6]).
  
  -include("../include/wrangler_internal.hrl").
  
  
negative.code: 	    HasWarningMsg = wrangler_atom_utils:has_warning_msg(Pid),
              wrangler_atom_utils:output_atom_warning_msg(Pid, not_renamed_warn_msg(OldFunNameAtom), renamed_warn_msg(OldFunNameAtom)),
  	    wrangler_atom_utils:stop_atom_process(Pid),
  	    Res=wrangler_write_file:write_refactored_files([{{FileName, FileName}, AnnAST1}],
                                                             HasWarningMsg, Editor, TabWidth, Cmd),
              case Editor of 
                  composite_emacs ->
                      {Res, {name_change, [{{Mod, OldFunNameAtom, Arity}, {Mod, NewNameAtom, Arity}}]}};
                  _ ->
                      Res
              end
  