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class WorkingTreeFormat3(WorkingTreeFormat):
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"""The second working tree format updated to record a format marker.
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def get_format_string(self):
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"""See WorkingTreeFormat.get_format_string()."""
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return "Bazaar-NG Working Tree format 3"
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def initialize(self, a_bzrdir, revision_id=None):
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"""See WorkingTreeFormat.initialize().