Use req as intended

doc/sphinx/phk/gzip.rst

@@ -151,7 +151,7 @@ compression efficiency, you should::
 
 	sub vcl_miss {
 		if (object needs ESI processing) {
-			unset bereq.http.accept-encoding;
+			unset req.http.accept-encoding;
 		}
 	}
 

doc/sphinx/reference/vmod.rst

@@ -231,7 +231,7 @@ STRING_LIST
 
 	Consider this contrived example::
 
-		set bereq.http.foo = std.toupper(req.http.foo + req.http.bar);
+		set req.http.foo = std.toupper(req.http.foo + req.http.bar);
 
 	The usual way to do this, would be be to allocate memory for
 	the concatenated string, then pass that to ``toupper()`` which in

doc/sphinx/users-guide/devicedetection.rst

@@ -127,8 +127,8 @@ VCL::
     }
 
     # override the header before it is sent to the backend
-    sub vcl_miss { if (req.http.X-UA-Device) { set bereq.http.User-Agent = req.http.X-UA-Device; } }
-    sub vcl_pass { if (req.http.X-UA-Device) { set bereq.http.User-Agent = req.http.X-UA-Device; } }
+    sub vcl_miss { if (req.http.X-UA-Device) { set req.http.User-Agent = req.http.X-UA-Device; } }
+    sub vcl_pass { if (req.http.X-UA-Device) { set req.http.User-Agent = req.http.X-UA-Device; } }
 
     # standard Vary handling code from previous examples.
     sub vcl_backend_response {