* lib/pp.rb: fix rdoc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33940 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Dec  4 12:11:28 2011  Kazuki Tsujimoto  <kazuki@callcc.net>
+
+	* lib/pp.rb: fix rdoc.
+
 Sun Dec  4 12:03:16 2011  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* lib/delegate.rb (Delegator#methods): Kernel#methods receives

lib/pp.rb

@@ -48,11 +48,13 @@ end
 #
 # = Usage
 #
-#   pp(obj)
+#   pp(obj)             #=> obj
+#   pp(obj1, obj2, ...) #=> [obj1, obj2, ...]
+#   pp()                #=> nil
 #
-# output +obj+ to +$>+ in pretty printed format.
+# output +obj(s)+ to +$>+ in pretty printed format.
 #
-# It returns +nil+.
+# It returns +obj(s)+.
 #
 # = Output Customization
 # To define your customized pretty printing function for your classes,