[docs] [issue16861] Portion of code example not highlighted in collections doc

[Ramchandra Apte]

New submission from Ramchandra Apte:

In http://docs.python.org/2/library/collections.html#namedtuple-factory-function-for-tuples-with-named-fields , a portion of the code example is not highlighted.
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Happy, new, melodious, joyful, etc, boring new year.

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assignee:  -> docs at python
components: +Documentation
nosy: +docs at python
versions: +Python 2.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16861>
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