* lib/delegate.rb (DelegateClass, Delegator#respond_to?):
	  respond_to? should now take optional second argument; submitted
	  by Jeremy Kemper <jeremy at bitsweat.net> in [ruby-core:17045].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17508 b2dd03c8-39d4-4d8f-98ff-823fe69b080e