usage: myprog [-h] {TaskY,TaskZ} ...

This is the description of this task driver

positional arguments:
  {TaskY,TaskZ}  Sub-commands
    TaskZ
    TaskY

optional arguments:
  -h, --help     show this help message and exit

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This is more text
that describes this command driver.  Note

that the format of the epilog string is preserved in the
help
output!
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