anchor.diff:  -export([get_listening/2, get_listening/3, is_local/1, is_local/2, is_local_ip/1]).
   -export([pid/1, get_nkport/1, get_local/1, get_remote/1, get_remote_bin/1, get_local_bin/1]).
   -export([get_meta/1, get_user/1]).
  --export([resolve/1, resolve/2, multi_resolve/1, multi_resolve/2]).
  +-export([resolve/1, resolve/2, multi_resolve/1, multi_resolve/2, parse_urls/3]).
   
   -export_type([listen_id/0, class/0, transport/0, protocol/0, nkport/0, netspec/0]).
   -export_type([listener_opts/0, connect_opts/0, send_opts/0, resolve_opts/0]).
  
positive.code:     end.
  
  
  
  
  
  
negative.code:     Uri2 = resolve_scheme(Uri, Opts),
      #uri{
          scheme = Scheme,
          user = User,
          pass = Pass,
          domain = Host, 
          path = Path, 
          ext_opts = UriOpts, 
  