so you have no problem with a scrollbar that jump to the next chaper when you shift it by a couple of pixels then? Of course why would you have a problem with

so you have no problem with a scrollbar that jump to the next chaper when you shift it by a couple of pixels then? Of course why would you have a problem with that, the only navigation one should perform while reading is change chaper, who wants to go to abitrary paragraphs.