Demo of automatic usage message creation.

USAGE: usage [OPTIONS]

OPTIONS:

-f, -flg, --flag

   Simple flag with a very long help description that will be split
   automatically into a two column format when usage is printed for this
   program. Newlines will also help with justification.

-h, -help, --help, --usage ARG

   Display usage instructions.
   There is a choice of three different layouts for description alignment. Your
   choice can be any one of the following to suit your style:
   
   0 - align (default)
   1 - interleave
   2 - stagger

EXAMPLES:

usage -h

usage v0.0.0 Copyright (C) 2011 Remik Ziemlinski
This program is free and without warranty.