argparse: showing full help for subparsers

[Chris Withers]

Hi All,

If I have subparsers set up and do:

myscript.py --help

I get the summary for each of the top-level commands, but to get the 
help for each sub-command I have to do:

myscript.py subcommand --help

Is there any way I can get "myscript.py --help" to show the help 
hierarchically, including all options for all subcommands?

cheers,

Chris

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