nobu	2010-04-08 07:16:47 +0900 (Thu, 08 Apr 2010)

  New Revision: 27254

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=27254

  Log:
    * lib/irb/cmd/help.rb (IRB::ExtendCommand::Help#execute): use RI
      interactive mode if no argument.  [ruby-dev:39839]

  Modified files:
    trunk/ChangeLog
    trunk/lib/irb/cmd/help.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 27253)
+++ ChangeLog	(revision 27254)
@@ -1,3 +1,8 @@
+Thu Apr  8 07:16:19 2010  Nobuyoshi Nakada  <nobu@r...>
+
+	* lib/irb/cmd/help.rb (IRB::ExtendCommand::Help#execute): use RI
+	  interactive mode if no argument.  [ruby-dev:39839]
+
 Wed Apr  8 02:33:55 2010  Marc-Andre Lafortune  <ruby-core@m...>
 
 	* array.c (rb_ary_permutation): Remove limitation for lengthy permutations
Index: lib/irb/cmd/help.rb
===================================================================
--- lib/irb/cmd/help.rb	(revision 27253)
+++ lib/irb/cmd/help.rb	(revision 27254)
@@ -9,7 +9,6 @@
 #
 
 require 'rdoc/ri/driver'
-require 'rdoc/ri/util'
 
 require "irb/cmd/nop.rb"
 
@@ -21,6 +20,10 @@
       rescue SystemExit
       else
         def execute(*names)
+          if names.empty?
+            Ri.interactive
+            return
+          end
           names.each do |name|
             begin
               Ri.get_info_for(name.to_s)

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