{#
/**
 * @file
 * Default theme implementation for a book tree.
 *
 * Returns HTML for a wrapper for a book sub-tree.
 *
 * Available variables:
 *   - tree: An HTML string containing the tree's items.
 *
 * @see template_preprocess_book_tree()
 *
 * @ingroup themeable
 */
#}
<ul>{{ tree }}</ul>