--- PP.pp(obj[, out[, width]])
#    outputs obj to out in pretty printed format of
#    width columns in width.
    obj  out  width  pretty print ޤ

#    If out is ommitted, $> is assumed.
#    If width is ommitted, 79 is assumed.
    out άϡ$> ꤵ줿ΤȤߤʤޤ
    width άϡ79 ꤵ줿ΤȤߤʤޤ

#    PP.pp returns out.
    PP.pp  out ֤ޤ

