The plugin is used to compare files from given location.
Simply choose two pathes and press Compare button to show all differences.
The actual comparison result can be saved into HTML file.
Additionally the user can select Patience diff option which relies on the longest common subsequence algorithm.

The Validate parser is used to compare files from robot archive after saving them in the editor.
In this case, Destination Directory is the directory where all found files will be saved before comparison.
This option can be used to validate our editor if the source code in code viewer is processed in correct way.

Check the example report for more details.