// force_book.c 內功心法inherit ITEM;void create(){	set_name("太極十三勢", ({ "shu", "book" }));	set_weight(600);	if( clonep() )		set_default_object(__FILE__);	else {		set("unit", "本");		set("long", "這是一本線裝書，里面密密麻麻的畫了不少打坐吐吶的姿勢。\n");		set("value", 500);		set("material", "paper");		set("skill", ([			"name":	"force",	// name of the skill			"exp_required":	0,	// minimum combat experience required			"jing_cost":	30,	// jing cost every time study this			"difficulty":	10,	// the base int to learn this skill			"max_skill":	29,	// the maximum level you can learn			"min_skill":	10	// the maximum level you can learn		]) );	}}