public IEnumerable<Hunk> Diff (Document changedDocument) { var codeDictionary = new Dictionary<string, int> (); int codeCounter = 0; return Mono.TextEditor.Utils.Diff.GetDiff<int> (this.GetDiffCodes (ref codeCounter, codeDictionary), changedDocument.GetDiffCodes (ref codeCounter, codeDictionary)); }