My laptop has a Synaptics Touchpad that allows you to to horizontal scrolling. By accident I did this while the mouse was over the statusbar, and to my suprise, it scrolled off the screen. Moving the mouse back into the editing area restores it. While its not a very big problem, it is weird to see. I'm not sure if this happens with actual mice that have horizontal scroll buttons, so could someone test it?
Another scrolling issue that is a little more annoying is that using the touchpad to scroll the editing area vertically works, but horizontally does not. It would be really handy if I could scroll both directions. Again, I'm not sure if this is just a touchpad issue.