The following preferences can be changed on the 
  General > Editors > Text
  Editors > Accessibility preference page:
| Option | Description | Default | 
|---|---|---|
| Use custom caret | Replaces the original caret (the marker that indicates where the next character will appear) with a custom caret and shows a different caret for Overwrite and Insert modes. | On | 
| Enable thick caret | Replaces the original caret with a more visible, thicker caret. | On | 
| Use characters to show changes in vertical ruler | Quick Diff shows line changes in the vertical ruler on the left hand side using colors. Enable this option to show differences additionally with characters. | Off | 
| Use saturated colors in overview ruler | Uses saturated colors for annotations in the overview ruler on the right hand side. | Off |