I don't know anything about it, but as they are commercial products, don't they come with some documentation?

Oh, looks like you don't even have to buy it to get at the docs: http://aspn.activestate.com/ASPN/docs/PDK/6.0/Welcome.html and http://aspn.activestate.com/ASPN/docs/Komodo/4.0/komodo-doc-getstarted.html#getstarted_top.

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