Yes I do, too, Toxaris, thanks

(Except I use WordPerfect - I dislike Word

And ePubs I'm creating from scratch I put through Jutoh, rather than Sigil.)
But that's not why I was asking. I also have some fairly shoddily-formatted commercial epubs that give me the irrits, which I want to tidy up. Most of what I need to do I've nutted out, but not the quotes.
Anyone got an answer for this, please?