# File lib/em/protocols/httpclient2.rb, line 115
        def receive_header_line ln
          if ln.length == 0
            if @header_lines.length > 0
              process_header
            else
              @blanks += 1
              if @blanks > 10
                @conn.close_connection
              end
            end
          else
            @header_lines << ln
            if @header_lines.length > 100
              @internal_error = :bad_header
              @conn.close_connection
            end
          end
        end