Show difference between two chunks of text, in a nicely formatted way.
Usage:
{{ craft.diff.html(origEntry.title, entry.title) }}
or
{{ craft.diff.html(origEntry.title, entry.title, 'character') }}
The 3rd parameter defines diff granularity, possible values: 'word' (default), 'character', 'paragraph', 'sentence'
The plugin files should be placed in diff folder under plugins