Cleanup hyperlink rendering implementation

rest_framework/templates/rest_framework/admin/list_value.html

 {% load rest_framework %}
-<!-- <table class="table table-striped">
+<table class="table table-striped">
     <tbody>
         {% for item in value %}
         <tr>
@@ -9,5 +9,3 @@
         {% endfor %}
     </tbody>
 </table>
- -->
-{% for item in value %}{% if not forloop.first%}, {% endif %}<a href="{{ item }}">{{item.name}}</a>{% endfor %}

rest_framework/templates/rest_framework/admin/simple_list_value.html

-{% for item in value %}{% if not forloop.first%},{% endif %} {% if item.is_hyperlink %}<a href="{{ item }}">{{item.name}}</a>{% else %}{{ item }}{% endif %}{% endfor %}
+{% load rest_framework %}
+{% for item in value %}{% if not forloop.first%},{% endif %} {{item|format_value}}{% endfor %}

rest_framework/templatetags/rest_framework.py

@@ -108,8 +108,10 @@ def add_class(value, css_class):
 
 @register.filter
 def format_value(value):
+    if getattr(value, 'is_hyperlink', False):
+        return mark_safe('<a href=%s>%s</a>' % (value, escape(value.name)))
     if isinstance(value, (int, float, decimal.Decimal, bool, type(None))):
-        return mark_safe('<code>%s</code>' % value)
+        return mark_safe('<code>%s</code>' % escape(value))
     elif isinstance(value, list):
         if any([isinstance(item, (list, dict)) for item in value]):
             template = loader.get_template('rest_framework/admin/list_value.html')