anchor.diff:      S4 = "-!",
       <<>> = normalize(S4),
       <<"!">> = normalize(S4, #{allowed=>[$!]}),
  +    <<"-!">> = normalize(S4, #{allowed=>[$!], unrecognized=>keep}),
       <<"+!">> = normalize(S4, #{allowed=>[$!], unrecognized=>$+}),
  +
  +    [<<"a">>,<<"bcd">>,<<"ef">>] = normalize_words(".  á //   bcd e.f ;;"),
  +    [<<"a">>,<<"bcd">>,<<"e">>,<<"f">>] = normalize_words(".  á //   bcd e.f ;;", #{allowed=>[$.]}),
  +
  +
  +
       ok.
   
   
  
positive.code: %% EUnit tests
  %% ===================================================================
  
  %%-define(TEST, true).
  -ifdef(TEST).
  -include_lib("eunit/include/eunit.hrl").
  
  
negative.code: 
  -export([uris/1, ruris/1, tokens/1, integers/1, dates/1, scheme/1, name/1]).
  -export([unquote/1, path/1, basepath/1, fullpath/1]).
  -export([normalize/1, normalize/2, normalize_words/1, normalize_words/2]).
  
  -include("nklib.hrl").
  
  