# File lib/rbreadline.rb, line 5741 def rl_character_len(c, pos) if (meta_char(c)) return ((!@_rl_output_meta_chars) ? 4 : 1) end if (c == "\t") return (((pos | 7) + 1) - pos) end if (ctrl_char(c) || c == RUBOUT) return (2) end return ((isprint(c)) ? 1 : 2) end