about property
getter/setter pair
Implementation
String about = '''${wordWrap('''
Rattle V6 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: Aditya Arora, Bob Muenchen, Tony Nolan, Zhangcheng Qiang, Mukund
B Srinivas, Kevin Wang, Zheyuan Xu, Yixiang Yin, Bo Zhang.
''';