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Warn people that these methods are deprecated.

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1 parent 4c27ad0 commit 8f526b30f49b8441dc80f00a42a58fc4ab61011a @r00k r00k committed with fxn
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  1. +2 −0  railties/guides/source/active_support_core_extensions.textile
2  railties/guides/source/active_support_core_extensions.textile
@@ -1045,6 +1045,8 @@ NOTE: Defined in +active_support/core_ext/class/attribute_accessors.rb+.
h4. Class Inheritable Attributes
+WARNING: Class Inheritable Attributes are deprecated. It's recommended that you use +Class#class_attribute+ instead.
Class variables are shared down the inheritance tree. Class instance variables are not shared, but they are not inherited either. The macros +class_inheritable_reader+, +class_inheritable_writer+, and +class_inheritable_accessor+ provide accessors for class-level data which is inherited but not shared with children:

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