anchor.diff:                       undefined -> make_content_encoding_header(H#outh.encoding);
                        CE        -> CE
                    end,
  -    {LastModified, Expires, CacheControl} =
  +    {Expires, CacheControl} =
           case erase(file_info) of
               undefined ->
  -                {H#outh.last_modified, H#outh.expires, H#outh.cache_control};
  +                {H#outh.expires, H#outh.cache_control};
               FI ->
  -                LM = case H#outh.last_modified of
  -                         undefined ->
  -                             make_last_modified_header(FI);
  -                         _ ->
  -                             H#outh.last_modified
  -                     end,
                   {E, CC} = case {H#outh.expires, H#outh.cache_control} of
                                 {undefined, undefined} ->
                                     CT = outh_get_content_type(),
  
positive.code:                               _ ->
                                    {H#outh.expires, H#outh.cache_control}
                            end,
                  {LM, E, CC}
          end,
  
      %% Add 'Accept-Encoding' in the 'Vary:' header if the compression is enabled
  
negative.code:                noundef(H#outh.location),
                 noundef(H#outh.date),
                 noundef(H#outh.allow),
                 noundef(H#outh.last_modified),
                 noundef(Expires),
                 noundef(CacheControl),
                 noundef(H#outh.etag),
  