[issue6454] Add "example" keyword argument to optparse constructor

Daniel Waylonis added the comment: Looking at the source, there's the undocumented "epilog" keyword, but it, unfortunately is automatically pushed through the formatter, which would not be desirable for the output. -- ___ Python

[issue6454] Add "example" keyword argument to optparse constructor

New submission from Daniel Waylonis : It's useful to see and example or two detailing how a program should be invoked and the expected results. I'd like to add the "example" keyword which will be printed below the "options:" when the usage is displayed. It wo