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Fix code alignment in duplicable? guide.

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1 parent 42417b0 commit 245574ae02216fcf29c93c2a2fe2ca74c00ffc1f @htanata htanata committed Feb 27, 2014
Showing with 2 additions and 2 deletions.
  1. +2 −2 guides/source/active_support_core_extensions.md
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4 guides/source/active_support_core_extensions.md
@@ -157,9 +157,9 @@ Active Support provides `duplicable?` to programmatically query an object about
```ruby
"foo".duplicable? # => true
-"".duplicable? # => true
+"".duplicable? # => true
0.0.duplicable? # => false
-false.duplicable? # => false
+false.duplicable? # => false
```
By definition all objects are `duplicable?` except `nil`, `false`, `true`, symbols, numbers, class, and module objects.

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