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Add CHANGELOG entry for #3578 [ci skip]

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1 parent d65a15d commit 8c6fcbc2b112f09f86c5fd6c262dd8e6e7d4fd4a @rafaelfranca rafaelfranca committed Aug 21, 2012
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  1. +6 −0 activesupport/
  2. +4 −0 guides/source/upgrading_ruby_on_rails.textile
@@ -1,5 +1,11 @@
## Rails 4.0.0 (unreleased) ##
+* Remove `j` alias for `ERB::Util#json_escape`.
+ The `j` alias is already used for `ActionView::Helpers::JavaScriptHelper#escape_javascript`
+ and both modules are included in the view context that would confuse the developers.
+ *Akira Matsuda*
* Replace deprecated `memcache-client` gem with `dalli` in ActiveSupport::Cache::MemCacheStore
*Guillermo Iguaran*
@@ -56,6 +56,10 @@ Rails 4.0 changed how <tt>assert_generates</tt>, <tt>assert_recognizes</tt>, and
Rails 4.0 also changed the way unicode character routes are drawn. Now you can draw unicode character routes directly. If you already draw such routes, you must change them, e.g. <tt>get Rack::Utils.escape('こんにちは'), :controller => 'welcome', :action => 'index'</tt> to <tt>get 'こんにちは', :controller => 'welcome', :action => 'index'</tt>.
+h4(#active_support4_0). Active Support
+Rails 4.0 Removed the `j` alias for `ERB::Util#json_escape` since `j` is already used for `ActionView::Helpers::JavaScriptHelper#escape_javascript`.
h4(#helpers_order). Helpers Loading Order
The loading order of helpers from more than one directory has changed in Rails 4.0. Previously, helpers from all directories were gathered and then sorted alphabetically. After upgrade to Rails 4.0 helpers will preserve the order of loaded directories and will be sorted alphabetically only within each directory. Unless you explicitly use <tt>helpers_path</tt> parameter, this change will only impact the way of loading helpers from engines. If you rely on the fact that particular helper from engine loads before or after another helper from application or another engine, you should check if correct methods are available after upgrade. If you would like to change order in which engines are loaded, you can use <tt>config.railties_order=</tt> method.

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