skellie partial argument usage

category.php

<?php
    query_posts(array(
        'posts_per_page' => $this->limit?:10, 
        'category_name' => $this->categorySlug, 
        'paged' => get_query_var('paged')
    ));
       
    if (have_posts()) {?>
        <section class="categoryList">
        <header><h2><?php echo $this->title?:'Archive'; ?></h2></header>
        <?php
        while (have_posts()) {
            the_post();
            echo $this->partial('preview', $this->categorySlug);
        }?>
        <?php if (!$this->hideFooter) { ?>
            <footer><?php echo $this->partial('paginate', 'browse'); ?></footer>
        <?php } ?>
        </section>
        <?php
    }
    wp_reset_query();