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Document changes in #7968

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Brian Alexander 2013-02-18 11:26:52 -07:00
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guides/source/upgrading_ruby_on_rails.md
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@ -83,6 +83,7 @@ get 'こんにちは', controller: 'welcome', action: 'index'
```
* Rails 4.0 has removed ActionDispatch::BestStandardsSupport middleware, !DOCTYPE html already triggers standards mode per http://msdn.microsoft.com/en-us/library/jj676915(v=vs.85).aspx and ChromeFrame header has been moved to `config.action_dispatch.default_headers`
* In Rails 4.0, precompiling assets no longer automatically copies non-JS/CSS assets from `vendor/assets` and `lib/assets`. Rails application and engine developers should put these assets in `app/assets` or configure `config.assets.precompile`.
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