Actually, as crazy as it seems, the lrf files are
backward compatible!
I think it's something to do with usable screen real estate:
- You can use 100% of the screen of the Librie.
- The reader uses the bottom with a fix 'toolbar'
I have access to both, and I was surprise to see that whereas I can use LRFs formated for the Reader with no problem on the Librie, the reverse shoots the page formatting to hell - although the Reader CAN open Librie formatted LRFs.