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Lexers for Objective-C family languages.
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
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Implements Objective-C syntax on top of an existing C family lexer.
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For Logos + Objective-C source code with preprocessor directives.
.. versionadded:: 1.6
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For `Swift <https://developer.apple.com/swift/>`_ source.
.. versionadded:: 2.0
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