* array.c (rb_ary_zip): iterates over items in the receiver.

zipped with nil if argument arrays are shorter.  if arrays are
  longer, left items are ignored.  now works with blocks.

* enum.c (zip_i): changed for new behavior.

* array.c (rb_ary_transpose): added. [new]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3064 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/irb.rb

@@ -51,7 +51,7 @@ module IRB
   def IRB.start(ap_path = nil)
     $0 = File::basename(ap_path, ".rb") if ap_path
 
-    IRB.initialize(ap_path)
+    IRB.setup(ap_path)
 
     if @CONF[:SCRIPT]
       irb = Irb.new(nil, @CONF[:SCRIPT])