[palosanto]

When I use the zoom/pan tool in the annotation editor and I'm in either half page or scroll mode, the zoom displays parts of the screen not zoomed.
For example in half page mode, usually I can see part of the previous half at 100% zoom on the left corner while the rest of the screen is zoomed in.
(You need to be on the second page or further to see it)

Similarly, in scroll mode, I'll see the previous or next page at 100% (not zoomed).