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update paragraph about __future__ for 2.6
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@ -788,10 +788,11 @@ can appear before a future statement are:
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* blank lines, and
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* other future statements.
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The features recognized by Python 2.5 are ``absolute_import``, ``division``,
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``generators``, ``nested_scopes`` and ``with_statement``. ``generators`` and
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``nested_scopes`` are redundant in Python version 2.3 and above because they
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are always enabled.
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The features recognized by Python 2.6 are ``unicode_literals``,
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``print_function``, ``absolute_import``, ``division``, ``generators``,
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``nested_scopes`` and ``with_statement``. ``generators``, ``with_statement``,
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``nested_scopes`` are redundant in Python version 2.6 and above because they are
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always enabled.
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A future statement is recognized and treated specially at compile time: Changes
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to the semantics of core constructs are often implemented by generating
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