Originally Posted by BookCat
Calibre, for all its virtues, isn't as great as the people who produce such beautiful ebooks on MR. I always lose the clickable chapter headings and contents page. I can use Calibre for converting PDFs, but even then, I have to do a few versions before I get the text size right. Thanks for suggestion but you give me more credit as a techie than I deserve.
Props to you for writing the most tactful bug report I've ever read.