Apply word-wrap to source and translation in page mode

This is a follow up to Ibbaf68dba3cea1a05150855a1ba48c1dd41a2c8b.
The same problem occurred in page mode, too.

Change-Id: I479de38484aed0797303a7a8c39dadbbc6bd8ed7
Merge "Apply word-wrap to source and translation in page mode"