about property
getter/setter pair
Implementation
String about = '''${wordWrap('''
RattleNG is a modern rewrite of the very popular Rattle Data Mining and Data
Science tool. Visit the [Rattle Home Page](https://rattle.togaware.com) for
details.
''')}
Author: Graham Williams
Contributions: Bob Muenchen, Tony Nolan, Mukund B Srinivas, Kevin Wang, Zheyuan
Xu, Yixiang Yin, Bo Zhang.
''';