{% endblock %}のエラーについて

現在、Djangoにてウェブアプリケーション開発中です。
ランサーバーを起動し、ローカルホストから検索するとDid you forget to register or load this tag?というコメントとともに7行目、{% endblock %}が赤くデバッグされています。調べたところおそらくはtypoかindentだと思うのですが、どうも見当たりません。

以下は該当のコード（原文ママ）です。
書籍を頼りにコーディングしているのでタイポ以外は間違いは少ないかと思います。

python
1{% extends 'base.html' %}
2{% load static %}
3
4{% block title %}Diary List | Private Diary{% endblock %}
5{% block active_diary_list %}active{% endblock %}
6{% block head %｝
7<link href="{% static 'css/clean-blog.min.css' %}" rel="stylesheet">
8{% endblock %}
9
10{% block contents %}
11<div class="container">
12    <div class="row">
13        <div class="my-div-style w-100">
14            <div class="col-lg-8 col-md-10 mx-auto">
15                <div class="clearfix">
16                    <a class="btn btn-primary float-right" href="#">Create New</a>
17                </div>
18                {% for diary in diary_list %}
19                  <div class="post-preview">
20                      <a href="#">
21                          <h2 class="post-little">
22                              {{ diary.title }}
23                          </h2>
24                          <h3 class="post-subtitle">
25                              {{ diary.content|truncatechars:20}}
26                          </h3>
27                      </a>
28                      <p class="post-meta">{{ diary.created_at }}</p>
29                  </div>
30                  <hr>
31                {% empty %}
32                  <p>your diary doesn't exist.</p>
33                {% endfor %}
34            </div>
35        </div>
36    </div>
37</div>
38{% endblock %}
39

python
1{% load static %}
2<html lang="ja">
3<head>
4    <meta charset="UTF-8">
5    <meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
6    <meta name="descripition" content="">
7    <meta name="author" content="">
8
9
10    <title>{% block title %}{% endblock%}</title>
11
12    <!--Bootstrap core CSS-->
13    <link href="{% static '/vendor/bootstrap/css/bootstrap.min.css' %}" rel="stylesheet">
14
15    <!--Custom fonts for this template-->
16    <link href="https://fonts.googleapis.com/css?family=Catamaran:100,200,300,400,500,600,700,800,900" rel="stylesheet">
17    <link href="https://fonts.googleapis.com/css?family=Lato:100,100i,300,300i,400,400i,700,700i,900,900i" rel="stylesheet">
18
19    <!--Custom styles for this template-->
20   <link href="{% static '/css/one-page-wonder.min.css' %}" rel="stylesheet">
21
22    <!--My style-->
23     <link rel="stylesheet" type="text/css" href="{% static '/css/mystyle.css' %}">
24     <link rel="icon" href="{% static '/img/favicon.ico' %}">
25
26    {% block head %}{% endblock %}
27</head>
28
29<body>
30
31<div id="wrapper">
32  <!-- Navigation -->
33  <nav class="navbar navbar-expand-lg navbar-dark navbar-custom fixed-top">
34    <div class="container">
35      <a class="navbar-brand" href="{% url 'diary:index' %}">Squeeze Japanese</a>
36      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
37        <span class="navbar-toggler-icon"></span>
38      </button>
39      <div class="collapse navbar-collapse" id="navbarResponsive">
40        <ul class="navbar-nav mr-auto">
41            <li class="nav-item {% block active_inquiry %}{% endblock%}">
42                <a class="nav-link" href="{% url 'diary:inquiry' %}">INQUIRY</a>
43            </li>
44            {% if user.is_authenticated %}
45              <li class="nav-item{% block active_diary_list %}{% endblock %}">
46                  <a class="nav-link" href="{% url 'diary:diary_list' %}">DIARY LIST</a>
47              </li>
48             {% endif %}
49        </ul>
50        <ul class="navbar-nav ml-auto">
51            {% if user.is_authenticated %}
52             <li class="nav-item">
53                 <a class="nav-link" href="{% url 'account_logout' %}">Log Out</a></li>
54            {% else %}
55             <li class="nav-item{% block active_signup %}{% endblock %}">
56                 <a class="nav-link" href="{% url 'account_signup' %}">Sign Up</a></li>
57             <li class="nav-item {% block active_login %}{% endblock %}">
58                 <a class="nav-link" href="{% url 'account_login' %}">Log In</a></li>
59            {% endif %}
60        </ul>
61      </div>
62    </div>
63  </nav>
64
65  {% block header %}{% endblock %}
66    {% if messages%}
67      <div class="container">
68          <div class="row">
69              <div class="my-div-style w-100">
70                  <ul class = "messages" style = "list-style: none;">
71                      {% for message in messages %}
72                      <li {% if message.tags %} class="{{message.tags}}" {% endif %}>
73                          {{message}}
74                      </li>
75                      {% endfor %}
76                  </ul>
77              </div>
78          </div>
79      </div>
80      {% endif %}
81  {% block contents%}{% endblock%}
82
83    <!-- Footer -->
84  <footer class="py-5 bg-black">
85      <div class="container">
86          <p class="m-0 text-center text-white small">Copyright &copy; Squeeze Japanese 2020</p>
87      </div>
88    <!-- /.container -->
89  </footer>
90
91  <!-- Bootstrap core JavaScript -->
92  <script src="{% static '/vendor/jquery/jquery.min.js' %}"></script>
93  <script src="{% static '/vendor/bootstrap/js/bootstrap.bundle.min.js' %}"></script>
94</div>
95</body>
96</html>
97