README: document the blurp block tag

README

@@ -274,8 +274,31 @@ Template::
 Template tag
 ============
 
+render_blurp
+------------
+
 You can render a block in any template using the template tag ``render_blurp``:
 
     {% load blurp_tags %}
 
     {% render_blurp "student_table" %}
+
+blurp block tag
+---------------
+
+You can insert the context generated by a blurp in your current template to do
+the templating yourself, beware that you will lose ajaxification and dynamic
+reloading if you use this tag as we cannot send your inline template to the
+ajax endpoint::
+
+    {% load blurp_tags %}
+
+    {% blurp "student_table %}
+        {% for row in students %}
+            <tr>
+                <td>{{ row.name }}</td>
+                <td>{{ row.age  }}</td>
+                <td>{{ row.birthdate }}</td>
+            </tr>
+        {% endfor %}
+    {% endblurp %}