{% extends "parody_web/base.html" %}
{% load parody_web %}
{% block title %}{{ section.title|cut:"`" }} — {{ book.title }}{% endblock %}
{% block head_extra %}
<meta name="description" content="{{ meta_description }}">
<link rel="canonical" href="{{ canonical_url }}">
<meta property="og:type" content="article">
<meta property="og:title" content="{{ section.title|cut:"`" }} — {{ book.title }}">
<meta property="og:description" content="{{ meta_description }}">
{% include "parody_web/_section_head.html" %}
{% endblock %}
{% block side %}{% include "parody_web/_chapter_nav.html" %}{% endblock %}
{% block rail %}{% include "parody_web/_rail.html" %}{% endblock %}
{% block body %}
<nav class="crumbs has-chapter"><a href="{% index_url book %}">{{ book.title }}</a><span class="crumb-sep">›</span><a class="crumb-trunc" href="{% chapter_url book chapter.slug %}" title="{{ chapter.title|cut:'`' }}">{{ chapter.title|code_spans }}</a></nav>

{% comment %}
A section whose markdown doesn't open with its own heading gets its title
rendered here, outside the numbering pass — so carry the number across, or
the page reads "Voltage dividers" while the contents beside it read
"1.2 Voltage dividers" (#576).
{% endcomment %}
{% if not title_in_html %}<h1>{% if section.number %}<span class="secnum">{{ section.number }}</span> {% endif %}{{ section.title|code_spans }}</h1>{% endif %}

{% include "parody_web/_section_toolbar.html" %}
{% include "parody_web/_section_rail.html" %}

{% if preview %}
  {% if section.html %}<div class="preview">{{ section.html|render_book|truncatewords_html:150 }}</div>{% endif %}
  <div class="signin-gate">
    {% with ed=book.book_metadata.editions.0 %}
    <p><strong>This is a preview.</strong> Read the full book in print or ebook —
      {% if ed.url_publisher %}<a href="{{ ed.url_publisher }}">get it from {{ ed.publisher|default:"the publisher" }}</a>{% else %}available from the publisher{% endif %}{% if ed.isbn %} (ISBN {{ ed.isbn }}){% endif %}.</p>
    {% endwith %}
    <p class="note">Instructor with access? <a href="{% url 'login' %}?next={{ next_path|urlencode }}">Instructor login</a>.</p>
  </div>
{% else %}
  {% if section.html %}
    {{ section.html|render_book }}
  {% endif %}
  {% if section.online_resources %}
    <section class="online-resources">
      <h2>Online resources</h2>
      {{ section.online_resources|render_book }}
    </section>
  {% endif %}
{% endif %}

{% include "parody_web/_section_foot.html" %}

<nav class="pager">
  {% if prev %}<a href="{% section_url book prev.chapter.slug prev.slug %}">← {{ prev.title|code_spans }}</a>{% else %}<span></span>{% endif %}
  {% if next %}<a href="{% section_url book next.chapter.slug next.slug %}">{{ next.title|code_spans }} →</a>{% else %}<span></span>{% endif %}
</nav>

{% include "parody_web/_section_overlay.html" %}
{% endblock %}