docs: void charsToLines(LinkedList<Change> diffs,
                                       List<String> lineArray) {
          StringBuilder text;
          for (Change diff : diffs) {
              text = new StringBuilder();
              for (int y = 0; y < diff.text.length(); y++) {
                  text.append(lineArray.get(diff.text.charAt(y)));
              }
              diff.text = text.toString();
          }
      }