Fixed #17356 -- Allowed {% include %} to render compiled templates

Reviewed by Loic Bistuer and Tim Graham.

docs/ref/templates/builtins.txt

@@ -691,6 +691,12 @@ the variable ``template_name``::
 
     {% include template_name %}
 
+.. versionchanged:: 1.7
+
+    The variable may also be any object with a ``render()`` method that
+    accepts a context. This allows you to reference a compiled ``Template`` in
+    your context.
+
 An included template is rendered with the context of the template that's
 including it. This example produces the output ``"Hello, John"``:
 

docs/releases/1.7.txt

@@ -258,6 +258,11 @@ Templates
 * The :ttag:`widthratio` template tag now accepts an "as" parameter to capture
   the result in a variable.
 
+* The :ttag:`include` template tag will now also accept anything with a
+  ``render()`` method (such as a ``Template``) as an argument. String
+  arguments will be looked up using
+  :func:`~django.template.loader.get_template` as always.
+
 Backwards incompatible changes in 1.7
 =====================================