Fork of lines.love without drawings; useful starting point for further forks

can we just use the other approach everywhere?

The text_input case is easier, so let's do that first. Just forget about the state of screen_top1 and just ensure the cursor is in view.

Now the remaining case is more challenging. We might need to scroll upwards sometimes using bring_cursor_of_cursor_pane_in_view.

Created by  Kartik K. Agaram  on January 4, 2023
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