code: function(){
  		this.decodeCellXMLArow(function(cell, name){
  			if(name==='n0'){ cell.anum = -1;}
  			else if(name!=='s'){ cell.anum = +name.substr(1);}
  		});
  	}
docs: --------------------------------------------------------------------------- fio.decodeCellAnum_XMLBoard() pencilbox XML用回答用数字のデコードを行う fio.encodeCellAnum_XMLBoard() pencilbox XML用回答用数字のエンコードを行う ---------------------------------------------------------------------------