[issue6159] Tkinter.PanedWindow: docstring fixes, change in paneconfigure and removed some returns

[Mark Lawrence]

Mark Lawrence <breamoreboy at yahoo.co.uk> added the comment:

This issue is self explanatory, can it be committed as is?

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nosy: +BreamoreBoy
stage:  -> patch review
type:  -> behavior
versions: +Python 3.2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6159>
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