// staff_book.cinherit ITEM;void create(){        set_name( "杖法通解", ({ "paper" , "shu", "book" }));	set_weight(200);	if( clonep() )		set_default_object(__FILE__);	else {		set("unit", "本");                set("long", "這是一本破紙片，上面畫著舞杖的小人。\n");		set("value", 100);		set("material", "paper");		set("skill", ([                        "name": "staff",        // name of the skill                        "exp_required": 10000,  // minimum combat experience required                        "jing_cost":    40,     // jing cost every time study this                        "difficulty":   20,     // the base int to learn this skill                        "max_skill":    99,     // the maximum level you can learn                        "min_skill":    30,     // the minimum level you can learn		]) );	}}