Empty cell with background color not showing color

```
What steps will reproduce the problem?
1.add empty cell with back ground color
2.execute the example.php
3.

What is the expected output? What do you see instead?
background color not coming for empty cell

Please provide any additional information below.

```

Original issue reported on code.google.com by `vijayara...@gmail.com` on 23 Dec 2011 at 6:28

Start with example.php and trace how an empty cell's background color is read or rendered. Reproduce the reported case with an empty, colored cell; done means the background color appears when the example is executed.

Written by the indexing model from the issue text.