Ticket #5313: js_gzip.diff

django/middleware/gzip.py

@@ -20 +20 @@
         
         # Avoid gzipping if we've already got a content-encoding or if the
         # content-type is Javascript (silly IE...)
-        is_js = "javascript" in response.get('Content-Type', '').lower()
+        is_js = ("javascript" in response.get('Content-Type', '').lower()
+                 and "msie" in request.META.get('HTTP_USER_AGENT', '').lower())
         if response.has_header('Content-Encoding') or is_js:
             return response