I use Notebook chiefly with Firefox on Mac, Windows, and Linux installations
and occasionally with Safari.
If I have a long output in a cell, activating the scroll feature has an odd
If I compress when the input line is off the screen, I wind up in a
different part of the Notebook, usually farther down, and the active cell
now on some different cell. It's as if the cursor stays in one location and
everything moves up. I usually lose lock on where I was and wind up
activating cells out of sequence.
If the input line is on the screen, there is no problem. The cell
compresses but the active cell remains highlighted.