Ticket #9712: meta_headers.patch

docs/ref/request-response.txt

@@ -142 +142 @@
         * ``SERVER_NAME`` -- The hostname of the server.
         * ``SERVER_PORT`` -- The port of the server.
 
+    The transformation rule for HTTP headers (other than ``CONTENT_LENGTH`` and
+    ``CONTENT_TYPE``) is simple: uppercase the header name, prepend ``HTTP_``
+    and replace all ``-`` characters by ``_``.
+
+    Example: ``X-Forwarded-For`` becomes ``HTTP_X_FORWARDED_FOR``
+
 .. attribute:: HttpRequest.user
 
     A ``django.contrib.auth.models.User`` object representing the currently