Removed single space padding from empty response body.

`render nothing: true` or rendering a `nil` body no longer add a single
space to the response body.

The old behavior was added as a workaround for a bug in an early version of
Safari, where the HTTP headers are not returned correctly if the response
body has a 0-length. This is been fixed since and the workaround is no
longer necessary.

Use `render body: ' '` if the old behavior is desired.

1 files changed, 4 insertions, 4 deletions

diff --git a/actionpack/test/controller/new_base/render_body_test.rb b/actionpack/test/controller/new_base/render_body_test.rb
index fad848349a..f4a3db8b41 100644
--- a/actionpack/test/controller/new_base/render_body_test.rb
+++ b/actionpack/test/controller/new_base/render_body_test.rb
@@ -111,17 +111,17 @@ module RenderBody
       assert_status 404
     end
 
-    test "rendering body with nil returns an empty body padded for Safari" do
+    test "rendering body with nil returns an empty body" do
       get "/render_body/with_layout/with_nil"
 
-      assert_body " "
+      assert_body ""
       assert_status 200
     end
 
-    test "Rendering body with nil and custom status code returns an empty body padded for Safari and the status" do
+    test "Rendering body with nil and custom status code returns an empty body and the status" do
       get "/render_body/with_layout/with_nil_and_status"
 
-      assert_body " "
+      assert_body ""
       assert_status 403
     end