In case app sets a background-color (or background-image) on TD nodes.   Fixes #11839.
In case app sets a background-color (or background-image) on TD nodes.   Fixes #11839.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@22980 560b804f-0ae3-0310-86f3-f6aa0a117693

Sam-Cummins/delite,kitsonk/delite,harbalk/delite,Sam-Cummins/delite,harbalk/delite,kitsonk/delite