keiju	2011-06-28 00:10:28 +0900 (Tue, 28 Jun 2011)

  New Revision: 32252

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=32252

  Log:
    * lib/irb/workspace.rb: fix BUG#4793.

  Modified files:
    trunk/ChangeLog
    trunk/lib/irb/workspace.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 32251)
+++ ChangeLog	(revision 32252)
@@ -1,3 +1,7 @@
+Tue Jun 28 00:08:43 2011  Keiju Ishitsuka  <keiju@i...>
+
+	* lib/irb/workspace.rb: fix BUG#4793.
+
 Mon Jun 27 22:06:12 2011  KOSAKI Motohiro  <kosaki.motohiro@g...>
 
 	* thread_pthread.c (consume_communication_pipe): don't use C99
Index: lib/irb/workspace.rb
===================================================================
--- lib/irb/workspace.rb	(revision 32251)
+++ lib/irb/workspace.rb	(revision 32252)
@@ -97,7 +97,7 @@
       when 3
 	return nil if bt =~ /irb\/.*\.rb/
 	return nil if bt =~ /irb\.rb/
-	bt.sub!(/:\s*in `irb_binding'/, '')
+	bt = bt.sub(/:\s*in `irb_binding'/, '')
       end
       bt
     end

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