join 1.1c6

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1dev@310 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 5 deletions

diff --git a/lib/jcode.rb b/lib/jcode.rb
index 6d71518c70..50b7beee9d 100644
--- a/lib/jcode.rb
+++ b/lib/jcode.rb
@@ -104,7 +104,7 @@ class String
   end
 
   def tr(from, to)
-    self.dup.tr!(from, to)
+    (str = self.dup).tr!(from, to) or str
   end
 
   def delete!(del)
@@ -127,7 +127,7 @@ class String
   end
 
   def delete(del)
-    self.dup.delete!(del)
+    (str = self.dup).delete!(del) or str
   end
 
   def squeeze!(del=nil)
@@ -155,7 +155,7 @@ class String
   end
 
   def squeeze(del=nil)
-    self.dup.squeeze!(del)
+    (str = self.dup).squeeze!(del) or str
   end
 
   def tr_s!(from, to)
@@ -188,7 +188,7 @@ class String
   end
 
   def tr_s(from, to)
-    self.dup.tr_s!(from,to)
+    (str = self.dup).tr_s!(from,to) or str
   end
 
   alias original_chop! chop!
@@ -202,7 +202,7 @@ class String
   end
 
   def chop
-    self.dup.chop!
+    (str = self.dup).chop! or str
   end
 end
 $VERBOSE = $vsave