Include a "back button" to undo large scroll jumps
I'm constantly reading academic PDF's where I have to jump back and forth between what I'm reading, and endnotes/references at the end of the document.
Also, I often accidentally drag the scroll bar (page # indicator) accidentally when I mean to just swipe a little bit to get to the next part of the page, but wind up jumping 50 pages or something.
In both cases, I really want a way to go back to my previous location in the document!
So my dream feature is to have a "back" functionality that would take you to your last location before you dragged on the page number scroll thingy. (It would ignore any scrolling you've done since that's just swiping on the page.)
And since you probably don't want to add a special back button, can I suggest putting it inside the dialog box that appears when you tap the scroll-page-number button? Currently it just gives you a text box to type a page number. But you could add an additional button for "go back to page ***".
This would be such a HUGE usability improvement!
Thanks so much
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