anchor.diff:  
   % @type fcontent() = binary().
   % The body content within a form part.
  +
  +% @doc Find the multipart boundary for a request.
  +% @spec find_boundary(wrq:wm_reqdata()) -> boundary()
  +find_boundary(ReqData) ->
  +    ContentType = wrq:get_req_header("content-type", ReqData),
  +    string:substr(ContentType, string:str(ContentType, "boundary=") 
  +                  + length("boundary=")).
   
   % @doc Turn a multipart form into component parts.
   % @spec get_all_parts(incoming_req_body(), boundary()) -> [fpart()]
  
positive.code: %% @author Justin Sheehy <justin@basho.com>
  %% @copyright 2009 Basho Technologies
  
  %% @doc Utility for parsing multipart form bodies.
  
negative.code: 
  -module(webmachine_multipart).
  -author('Justin Sheehy <justin@basho.com>').
  -author('Andy Gross <andy@basho.com>').
  -export([get_all_parts/2,stream_parts/2, find_boundary/1]).
  -export([test_body/0,test_body2/0]).
  
  % @type incoming_req_body() = binary().
  