http://gosyo.co.jp/english/pattern/eHTML/bag.html
>>>
" ": 1 - - 2 - " ". -... 31 - . - + 2 32 - 33 - "" -. () 34 - . ! 35 - . ( ) 36 - 37 - : +
"": 1 - 2 - ... 29 - 30 - 31 - " " - 32 - 33 - : , - - ""