Fix HTML syntax errors in theme

* Add missing `</div>` closing tag.
* Add missing quotes for attributes.
* Add missing `</body>` closing tag.

These syntax errors were causing errors in Apple iBooks when opening generated ePub files.

Author: Michaël Perrin

_build/_theme/_templates/globaltoc.html

@@ -1,4 +1,4 @@
-<div class=submenu>
+<div class="submenu">
     {% set menu = [ 
         ('Home', 'index'),
         ('The Components', 'components/index'),

_build/_theme/_templates/layout.html

@@ -38,52 +38,54 @@
 {% endblock %}
 
 {% block content %}
-<div class="container"><div id="page-content">
-    <div class="row">
-        {%- if render_sidebar %}
-        <div id="sidebar" class="col-sm-3">
-            <div id="sidebar-content">
-                <div id="demo-warning">
-                    <h4>Pull request build</h4>
-                    <p>Each pull request of the Symfony Documentation is automatically deployed and hosted on <a href="https://platform.sh">Platform.sh</a>.<br>
-                    View this page on <a href="https://symfony.com/doc/current/{{ pagename }}">symfony.com</a>.</p>
-                </div>
-                
-                {%- include "globaltoc.html" %}
+<div class="container">
+    <div id="page-content">
+        <div class="row">
+            {%- if render_sidebar %}
+            <div id="sidebar" class="col-sm-3">
+                <div id="sidebar-content">
+                    <div id="demo-warning">
+                        <h4>Pull request build</h4>
+                        <p>Each pull request of the Symfony Documentation is automatically deployed and hosted on <a href="https://platform.sh">Platform.sh</a>.<br>
+                        View this page on <a href="https://symfony.com/doc/current/{{ pagename }}">symfony.com</a>.</p>
+                    </div>
+                    
+                    {%- include "globaltoc.html" %}
 
-                {% if not isIndex %}
-                    {%- include "localtoc.html" %}
-                {% endif %}
+                    {% if not isIndex %}
+                        {%- include "localtoc.html" %}
+                    {% endif %}
+                </div>
             </div>
-        </div>
-        {%- endif %}
+            {%- endif %}
 
-        <div id="main" class="col-sm-9">
-            <ol class=breadcrumb>
-                <li><a href="#">Home</a></li>
-                <li><a href="#">Documentation</a></li>
-                {% for parent in parents %}
-                <li><a href="{{ parent.link|e }}">{{ parent.title }}</a></li>
-                {% endfor %}
-                <li class=active>{{ title }}</li>
-            </ol>
+            <div id="main" class="col-sm-9">
+                <ol class="breadcrumb">
+                    <li><a href="#">Home</a></li>
+                    <li><a href="#">Documentation</a></li>
+                    {% for parent in parents %}
+                    <li><a href="{{ parent.link|e }}">{{ parent.title }}</a></li>
+                    {% endfor %}
+                    <li class="active">{{ title }}</li>
+                </ol>
 
-            <h1 class="content_title">{{ title }}</h1>
+                <h1 class="content_title">{{ title }}</h1>
 
-            <div class=page>
-            {% block body %}{% endblock %}
-            </div>
+                <div class="page">
+                {% block body %}{% endblock %}
+                </div>
 
-            {% if prev and next %}
-            <div class=navigation>
-                <a href="{{ prev.link|e }}">« {{ prev.title|striptags|e }}</a>
-                <span class=separator>|</span>
-                <a href="{{ next.link|e }}">{{ next.title|striptags|e }} »</a>
-            </div>
-            {% endif %}
-            
-            <div id="license">
-                <p>This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">License</a>.</p>
+                {% if prev and next %}
+                <div class="navigation">
+                    <a href="{{ prev.link|e }}">« {{ prev.title|striptags|e }}</a>
+                    <span class="separator">|</span>
+                    <a href="{{ next.link|e }}">{{ next.title|striptags|e }} »</a>
+                </div>
+                {% endif %}
+                
+                <div id="license">
+                    <p>This work is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">License</a>.</p>
+                </div>
             </div>
         </div>
     </div>
@@ -95,4 +97,4 @@ <h1 class="content_title">{{ title }}</h1>
 {% block relbar2 %}{% endblock %}
 
 {# remove "generated by sphinx" footer #}
-{% block footer %}{% endblock %}
+{% block footer %}</body>{% endblock %}

_build/_theme/_templates/localtoc.html

@@ -1,6 +1,6 @@
 <div class="toc"> 
     <h4>{{ _('Table Of Contents') }}</h4>
-    <div class=toc-content>
+    <div class="toc-content">
         {{ toc }}
     </div>
 </div>