anchor.diff:  %% If the user answers 'yes' to one instance,  that instance will be replaced by function application,
   %% otherwise it will remain unchanged.
   %% </p>
  -%% <p> In the case that a candidate expression/expression sequence  need to export some variables which 
  +%% <p> In the case that a candidate expression/expression sequence  needs to export some variables which 
   %% are used by the following code, that expression/expression sequence will be replaced by a match 
   %% expression, whose left-hand side it the exported variable(s), and right-hand side is the function
   %% application.
  
positive.code: -include("../hrl/wrangler.hrl").
  
  %% ====================================================================================================
  %% @doc Rename a variable name with a user-supplied new name.
  %% <p> To apply this refactoring, point the cursor to  any occurrence of this variable, then select
  %% <em> Rename Variable Name </em> from the <em> Refactor </em> menu, after that the refactorer will prompt
  %% to enter the new parameter name in the mini-buffer. 
  
negative.code: 
  
  %%=========================================================================================
  %% @doc Rename a registered process with a new name supplied by the user.
  %% <p> To apply this refactoring, point the cursor to the process name, then select
  %% <em> Rename a Process </em> from the  <em> Refactor </em> menu, after that Wrangler will prompt
  %% to enter the new process name in the mini-buffer. 
  