    # File lib/yard/parser/ruby/legacy/ruby_lex.rb, line 463
          def initialize(content)
            lex_init

            @reader = BufferedReader.new(content)

            @exp_line_no = @line_no = 1
            @base_char_no = 0
            @indent = 0

            @ltype = nil
            @quoted = nil
            @lex_state = EXPR_BEG
            @space_seen = false

            @continue = false
            @line = ""

            @skip_space = false
            @read_auto_clean_up = false
            @exception_on_syntax_error = true
          end