# File lib/rbreadline.rb, line 7273
  def rl_save_prompt()
    @saved_local_prompt = @local_prompt
    @saved_local_prefix = @local_prompt_prefix
    @saved_prefix_length = @prompt_prefix_length
    @saved_local_length = @local_prompt_len
    @saved_last_invisible = @prompt_last_invisible
    @saved_visible_length = @prompt_visible_length
    @saved_invis_chars_first_line = @prompt_invis_chars_first_line
    @saved_physical_chars = @prompt_physical_chars

    @local_prompt = @local_prompt_prefix = nil
    @local_prompt_len = 0
    @prompt_last_invisible = @prompt_visible_length = @prompt_prefix_length = 0
    @prompt_invis_chars_first_line = @prompt_physical_chars = 0
  end