From: James Turk <james.p.turk@gmail.com>
Date: Thu, 16 Apr 2015 12:10:13 -0400
Subject: Fix for file inclusion issue, thanks to Markus Holtermann

Index: django-markupfield-1.0.0a2/markupfield/markup.py
===================================================================
--- django-markupfield-1.0.0a2.orig/markupfield/markup.py	2015-04-20 19:42:58.000000000 +0200
+++ django-markupfield-1.0.0a2/markupfield/markup.py	2015-04-20 19:42:58.000000000 +0200
@@ -67,6 +67,10 @@
 
     def render_rest(markup):
         overrides = getattr(settings, "RESTRUCTUREDTEXT_FILTER_SETTINGS", {})
+        overrides.update({
+            'raw_enabled': False,
+            'file_insertion_enabled': False,
+        })
         parts = publish_parts(source=markup, writer_name="html4css1",
                               settings_overrides=overrides)
         return parts["fragment"]