6.4 变量设置元素与变量设置的有关规定

                            </do>

                   </p>

         </card>

         <card id="card2" title="Second Card">

                   <p>

                   Card 2 ... <br/>

                            card1 var1 = $(card1_var1) <br/>

                            card2 var1 = $(card2_var1) <br/>

                            card3 var1 = $(card3_var1) <br/>

                            <do type="accept" label="First Card">

                                     <go href="#card1"/>