anchor.diff:      false;
   is_prefix(_, _) ->
       false.
  -
  
positive.code:             Host
      end.
  
  %%------------------------------------------------------------------------------
  %% @private
  %% @doc
  %% @end
  %%------------------------------------------------------------------------------
  char_to_lower($A) -> $a;
  char_to_lower($B) -> $b;
  char_to_lower($C) -> $c;
  char_to_lower($D) -> $d;
  char_to_lower($E) -> $e;
  char_to_lower($F) -> $f;
  char_to_lower($G) -> $g;
  char_to_lower($H) -> $h;
  char_to_lower($I) -> $i;
  char_to_lower($J) -> $j;
  char_to_lower($K) -> $k;
  char_to_lower($L) -> $l;
  char_to_lower($M) -> $m;
  char_to_lower($N) -> $n;
  char_to_lower($O) -> $o;
  char_to_lower($P) -> $p;
  char_to_lower($Q) -> $q;
  char_to_lower($R) -> $r;
  char_to_lower($S) -> $s;
  char_to_lower($T) -> $t;
  char_to_lower($U) -> $u;
  char_to_lower($V) -> $v;
  char_to_lower($W) -> $w;
  char_to_lower($X) -> $x;
  char_to_lower($Y) -> $y;
  char_to_lower($Z) -> $z;
  char_to_lower(Ch) -> Ch.
  
  is_prefix([<<>>], _) ->
      true;
  is_prefix([H | T1], [H | T2]) ->
  
negative.code:     add_headers(T, undefined, undefined, Connection,
          [[H, <<": ">>, V, ?HTTP_LINE_END] | Acc]);
  add_headers([{H, V} | T], Body, Host, Connection, Acc) ->
      case to_lower(H) of
          <<"connection">> ->
              add_headers(T, Body, Host, V,
                  [[H, <<": ">>, V, ?HTTP_LINE_END] | Acc]);
  