[PCT] Generalize iterator code in for loop to use iter rather than to create an Iterator object. This means that objects that want to supply their own iterators can do so.
[PCT] Generalize iterator code in for loop to use iter rather than to create an Iterator object. This means that objects that want to supply their own iterators can do so.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@26673 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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