[docs] [issue16523] attrgetter and itemgetter signatures in docs need cleanup

Chris Jerdonek report at bugs.python.org
Fri Nov 23 18:58:20 CET 2012

Chris Jerdonek added the comment:

+.. function:: attrgetter(attr[, attr2, attr3, ...])

Why not reword to use the *attr notation?  It is even already being used below:

+   The function is equivalent to::
       def attrgetter(*items):
           if any(not isinstance(item, str) for item in items):


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