Select only content by the mceSelectNodeDepth for IE8 or any older version.

Can't select sometime by clicking path in IE8.

## Steps

1. Input "&lt;ul>&lt;li>a&lt;/li>&lt;li>b&lt;/li>&lt;/ul>"
2. Move caret to the head of first list item.
3. Click "li" in the path.
4. Click "ul" in the path.

## Expected

Selected list entirely.


## Observed

Selected only the first list item.


## Screen cast

http://screencast.com/t/qIAH8Ppv