def rl_restore_prompt()
@local_prompt = nil
@local_prompt_prefix = nil
@local_prompt = @saved_local_prompt
@local_prompt_prefix = @saved_local_prefix
@local_prompt_len = @saved_local_length
@prompt_prefix_length = @saved_prefix_length
@prompt_last_invisible = @saved_last_invisible
@prompt_visible_length = @saved_visible_length
@prompt_invis_chars_first_line = @saved_invis_chars_first_line
@prompt_physical_chars = @saved_physical_chars
@saved_local_prompt = @saved_local_prefix = nil
@saved_local_length = 0
@saved_last_invisible = @saved_visible_length = @saved_prefix_length = 0
@saved_invis_chars_first_line = @saved_physical_chars = 0
end