4 * Theme override for a single node in a printer-friendly outline.
7 * - node: Fully loaded node.
8 * - depth: Depth of the current node inside the outline.
10 * - content: Node content.
11 * - children: All the child nodes recursively rendered through this file.
13 * @see template_preprocess_book_node_export_html()
16 <article id="node-{{ node.id }}" class="section-{{ depth }}">
17 <h1 class="book-heading">{{ title }}</h1>