class RDoc::RubyLex

def initialize_input
  @ltype = nil
  @quoted = nil
  @indent = 0
  @indent_stack = []
  @lex_state = EXPR_BEG
  @space_seen = false
  @here_header = false
  @continue = false
  prompt
  @line = ""
  @exp_line_no = @line_no
end