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[ci skip] Fix typo in deep_dup docs

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Eric Turner 2015-10-12 14:05:53 +09:00
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guides/source/active_support_core_extensions.md
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@ -172,7 +172,7 @@ NOTE: Defined in `active_support/core_ext/object/duplicable.rb`.
### `deep_dup`
The `deep_dup` method returns deep copy of a given object. Normally, when you `dup` an object that contains other objects, Ruby does not `dup` them, so it creates a shallow copy of the object. If you have an array with a string, for example, it will look like this:
The `deep_dup` method returns a deep copy of a given object. Normally, when you `dup` an object that contains other objects, Ruby does not `dup` them, so it creates a shallow copy of the object. If you have an array with a string, for example, it will look like this:
```ruby
array = ['string']