* eval.c (rb_eval): pre-evaluate argument for unambiguous

evaluation order.  [ruby-dev:26383]

* lib/delegate.rb (Delegator::method_missing): forward unknown
  method to the destination.  suggested by
  <christophe.poucet@gmail.com>.  [ruby-talk:146776]

* process.c (detach_process_watcher): terminate process watcher
  thread right after rb_waitpid() succeed.  [ruby-talk:146430]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/set.rb

@@ -519,6 +519,7 @@ end
 
 module Enumerable
   # Makes a set from the enumerable object with given arguments.
+  # Needs to +require "set"+ to use this method.
   def to_set(klass = Set, *args, &block)
     klass.new(self, *args, &block)
   end