Driver for Tagus Lux: Fixes #1264355 [Private bug](https://bugs.launchpad.net/calibre/+bug/1264355)
Edit book: Prettify html in newly created books. Fixes #1264390 [[95% F.Request - 5% Bug] Automatically Beautify New Books](https://bugs.launchpad.net/calibre/+bug/1264390)
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