Yup. As I said, i got too much free time. This entry was mainly to answer davidfor's question
https://www.mobileread.com/forums/sho...&postcount=242 but found the answer too wide to put it in a dedicated plugin thread.
Regarding epubs, 3.15.0 has its downsides as the in-book justification doesn't work anymore (
https://www.mobileread.com/forums/sho...&postcount=151 )