# Quick Diff Preference Page

The following preferences can be changed on the General > Editors > Text Editors > Quick Diff preference page.

Option | Description | Default
--- | --- | ---
Enable quick diff | This option will enable or disable the quick diff option. | On
Show differences in overview ruler | This option will show differences in the overview ruler. | Off
Colors - Changes | This option controls the color of changes. |
Colors - Additions | This option controls the color of additions. |
Colors - Deletions | This option controls the color of deletions. |
Use this reference source | This option sets which reference to use as the base for generating quick diff comparisons. Options are: Version on Disk: Current file is compared against the last saved version on disk. Latest CVS Revision: Current file is compared against the latest CVS revision for the file. | Version on Disk

Here is what the Quick Diff preference page looks like: