|  | This is a sample doctest in a text file.
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							|  | 
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							|  | In this example, we'll rely on a global variable being set for us
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							|  | already:
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							|  | 
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							|  |   >>> favorite_color
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							|  |   'blue'
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							|  | 
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							|  | We can make this fail by disabling the blank-line feature.
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							|  | 
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							|  |   >>> if 1:
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							|  |   ...    print 'a'
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							|  |   ...    print
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							|  |   ...    print 'b'
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							|  |   a
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							|  |   <BLANKLINE>
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							|  |   b
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