This menu option allows two files or folders to be selected for comparison with the output of the compare generated in unified diff format.
Type the path and name of the file to receive the output of the compare or click Browse to select a folder location.
The Compare from and Compare to URLs are carried through from your selections. The default is to compare the head revision of the two resources. To compare a previous revision of a resource, click Revision and type the revision number. You can use Show Log to review the revision history for a resource.