Link text default value should be publisher version when no text provided.

#6506 
![selection_100](https://cloud.githubusercontent.com/assets/1222368/4286791/12a7b3ca-3d9a-11e4-9118-6e35ade14483.png)
![selection_101](https://cloud.githubusercontent.com/assets/1222368/4286792/16214660-3d9a-11e4-80ea-9775c2b2cf3a.png)