Thank you for your reply, Kovid. Hope this will help:
1. eBook:
https://swift.org/documentation/TheS...e(Swift4).epub
2. Calibre Log:
https://pastebin.com/LVZmn3EW
3. Translated File:
https://www.dropbox.com/s/bpamen9oht...0Inc_.pdf?dl=0
4. Issue: Random last lines of snippets of code lose indentation and numbering.
5. Changed from default options: Only fonts and font sizes. You can find all of em here:
https://www.dropbox.com/s/wks19puodv...0opts.png?dl=0