zzak	2013-11-21 13:44:45 +0900 (Thu, 21 Nov 2013)

  New Revision: 43743

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43743

  Log:
    * lib/observer.rb: [DOC] Clarify default observer method.
      By @edward [Fixes GH-450] https://github.com/ruby/ruby/pull/450

  Modified files:
    trunk/ChangeLog
    trunk/lib/observer.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43742)
+++ ChangeLog	(revision 43743)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Nov 21 13:40:20 2013  Zachary Scott  <e@z...>
+
+	* lib/observer.rb: [DOC] Clarify default observer method.
+	  By @edward [Fixes GH-450] https://github.com/ruby/ruby/pull/450
+
 Thu Nov 21 13:32:53 2013  Zachary Scott  <e@z...>
 
 	* ext/openssl/ossl_engine.c: [DOC] Documentation for OpenSSL::Engine
Index: lib/observer.rb
===================================================================
--- lib/observer.rb	(revision 43742)
+++ lib/observer.rb	(revision 43743)
@@ -15,13 +15,14 @@ https://github.com/ruby/ruby/blob/trunk/lib/observer.rb#L15
 # module, which provides the methods for managing the associated observer
 # objects.
 #
-# The observers must implement a method called +update+ to receive
-# notifications.
-#
 # The observable object must:
 # * assert that it has +#changed+
 # * call +#notify_observers+
 #
+# An observer subscribes to updates using Observable#add_observer, which also
+# specifies the method called via #notify_observers. The default method for
+# #notify_observers is #update.
+#
 # === Example
 #
 # The following example demonstrates this nicely.  A +Ticker+, when run,

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