BUILT-IN MATHEMATICA SYMBOL
is an option for Cell that specifies whether an elliptical spot should appear momentarily to guide the eye if the cursor position jumps.
- The default setting is ShowCursorTracker->True.
- Line breaking is normally set up so that small changes to expressions in input cells rarely cause large-scale reformatting; the cursor tracker appears whenever reformatting is required that makes the cursor position jump.
- The cursor tracker is intended to be sufficiently eye-catching to make the low-level human visual system cause an immediate shift in gaze.
Here is a sample expression cell:
This turns cursor tracking on in the sample expression cell:
Add and delete a character a few times in the sample expression cell:
Here is another sample expression cell:
This turns cursor tracking off in the sample expression cell:
Now the cursor tracker does not appear when you edit the sample cell:
New in 4