Lilypond Lyrics - plugin for MU4

I just tested the latest nightly build to check out the Lillipond plugin.
This is my first impression:
- The text inside the window looks holey and too small to be read properly.
- The buttons need explanation.
- "Dump", which I had to translate, loads text from the score. Why not call the button like so?
- The window can't be resized.
- The example (Ky -- _ ri ...) is useless since it doesn't show the translation.
- Dumping doesn't seem to work properly: