Custom input in Shopp's product.php template (basic example)

<?php shopp('catalog','breadcrumb')?>
<?php if (shopp('product','found')): ?>

    <?php shopp('product','gallery','p_setting=gallery-previews&thumbsetting=gallery-thumbnails'); ?>

    <h3><?php shopp('product','name'); ?></h3>
    <p class="headline"><big><?php shopp('product','summary'); ?></big></p>

    <?php if (shopp('product','onsale')): ?>
        <h3 class="original price"><?php shopp('product','price'); ?></h3>
        <h3 class="sale price"><?php shopp('product','saleprice'); ?></h3>
        <?php if (shopp('product','has-savings')): ?>
            <p class="savings"><?php _e('You save','Shopp'); ?> <?php shopp('product','savings'); ?> (<?php shopp('product','savings','show=%'); ?>)!</p>
        <?php endif; ?>
    <?php else: ?>
        <h3 class="price"><?php shopp('product','price'); ?></h3>
    <?php endif; ?>

    <?php if (shopp('product','freeshipping')): ?>
    <p class="freeshipping"><?php _e('Free Shipping!','Shopp'); ?></p>
    <?php endif; ?>

    <form action="<?php shopp('cart','url'); ?>" method="post" class="shopp product validate validation-alerts">
        <?php if(shopp('product','has-variations')): ?>
        <ul class="variations">
            <?php shopp('product','variations','mode=multiple&label=true&defaults='.__('Select an option','Shopp').'&before_menu=<li>&after_menu=</li>'); ?>
        </ul>
        <?php endif; ?>
        <?php if(shopp('product','has-addons')): ?>
            <ul class="addons">
                <?php shopp('product','addons','mode=menu&label=true&defaults='.__('Select an add-on','Shopp').'&before_menu=<li>&after_menu=</li>'); ?>
            </ul>
        <?php endif; ?>

        <p><label>Engraving: </label><br />
        <?php shopp('product','input','type=textarea&name=Engraving&cols=20&rows=3'); ?></p>

        <p><?php shopp('product','quantity','class=selectall&input=menu'); ?>
        <?php shopp('product','addtocart'); ?></p>

    </form>

    <?php shopp('product','description'); ?>

    <?php if(shopp('product','has-specs')): ?>
    <dl class="details">
        <?php while(shopp('product','specs')): ?>
        <dt><?php shopp('product','spec','name'); ?>:</dt><dd><?php shopp('product','spec','content'); ?></dd>
        <?php endwhile; ?>
    </dl>
    <?php endif; ?>

<?php else: ?>
<h3><?php _e('Product Not Found','Shopp'); ?></h3>
<p><?php _e('Sorry! The product you requested is not found in our catalog!','Shopp'); ?></p>
<?php endif; ?>