The <prev> Element

To add a <do> element that lets you move backward to card 2, I use the WML <prev> element like this:

Listing . ch20_12.wml
 
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 2.0//EN"
    "http://www.wapforum.org/dtd/wml20.dtd" >
 <wml>
    <card id="Card1" title="Multiple Cards">
        <p align="center"><b>Multiple Cards</b></p>
        <do type="accept" label="Go to Card 2">
            <go href="#Card2"/>
        </do>
    </card>
    <card id="Card2" title="Card 2">
        <p>
            This is card 2.
        </p>
        <do type="prev" label="Back">
					<prev/>
					</do>
    </card>
</wml>

That's all it takes. Now a <do> element appears in card 2 that lets you move backward, as you can see in Figure 20-11. When the user clicks this <do> element, the browser navigates back to the previous card. It's ...

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