Ok, I've updated the v2 test book
Jellby posted here with three extra tests:
- Trimmed fonts in left/right margin when justifying (ACCESS issue).
- The drop of white-space: nowrap; support that RMSDK has suffered at least in Kobo implementation. (It correctly works in my old Sony PRS-650).
- The strange spaces ACCESS adds around a lot of punctuation marks which also break justification.
Maybe Jellby should polish the syntax (I'm not native English speaker) and/or internal html/CSS code but I think it can be a good enhancement over the original test epub. Feel free to edit and change whatever you think.
Enjoy.