1 files changed, 28 insertions, 28 deletions
diff --git a/lib/irb/ext/history.rb b/lib/irb/ext/history.rb
index 3239c57a6c..d991f4d33b 100644
--- a/lib/irb/ext/history.rb
+++ b/lib/irb/ext/history.rb
@@ -21,10 +21,10 @@ module IRB # :nodoc:
     def set_last_value(value)
       _set_last_value(value)
 
-#      @workspace.evaluate self, "_ = IRB.CurrentContext.last_value"
+      #      @workspace.evaluate self, "_ = IRB.CurrentContext.last_value"
       if @eval_history #and !@eval_history_values.equal?(llv)
- 	@eval_history_values.push @line_no, @last_value
- 	@workspace.evaluate self, "__ = IRB.CurrentContext.instance_eval{@eval_history_values}"
+        @eval_history_values.push @line_no, @last_value
+        @workspace.evaluate self, "__ = IRB.CurrentContext.instance_eval{@eval_history_values}"
       end
 
       @last_value
@@ -43,16 +43,16 @@ module IRB # :nodoc:
     # If +no+ is +nil+, execution result history isn't used (default).
     def eval_history=(no)
       if no
-	if defined?(@eval_history) && @eval_history
-	  @eval_history_values.size(no)
-	else
-	  @eval_history_values = History.new(no)
-	  IRB.conf[:__TMP__EHV__] = @eval_history_values
-	  @workspace.evaluate(self, "__ = IRB.conf[:__TMP__EHV__]")
-	  IRB.conf.delete(:__TMP_EHV__)
-	end
+        if defined?(@eval_history) && @eval_history
+          @eval_history_values.size(no)
+        else
+          @eval_history_values = History.new(no)
+          IRB.conf[:__TMP__EHV__] = @eval_history_values
+          @workspace.evaluate(self, "__ = IRB.conf[:__TMP__EHV__]")
+          IRB.conf.delete(:__TMP_EHV__)
+        end
       else
-	@eval_history_values = nil
+        @eval_history_values = nil
       end
       @eval_history = no
     end
@@ -68,20 +68,20 @@ module IRB # :nodoc:
 
     def size(size)
       if size != 0 && size < @size
-	@contents = @contents[@size - size .. @size]
+        @contents = @contents[@size - size .. @size]
       end
       @size = size
     end
 
     def [](idx)
       begin
-	if idx >= 0
-	  @contents.find{|no, val| no == idx}[1]
-	else
-	  @contents[idx][1]
-	end
+        if idx >= 0
+          @contents.find{|no, val| no == idx}[1]
+        else
+          @contents[idx][1]
+        end
       rescue NameError
-	nil
+        nil
       end
     end
 
@@ -94,22 +94,22 @@ module IRB # :nodoc:
 
     def inspect
       if @contents.empty?
-	return real_inspect
+        return real_inspect
       end
 
       unless (last = @contents.pop)[1].equal?(self)
-	@contents.push last
-	last = nil
+        @contents.push last
+        last = nil
       end
       str = @contents.collect{|no, val|
-	if val.equal?(self)
-	  "#{no} ...self-history..."
-	else
-	  "#{no} #{val.inspect}"
-	end
+        if val.equal?(self)
+          "#{no} ...self-history..."
+        else
+          "#{no} #{val.inspect}"
+        end
       }.join("\n")
       if str == ""
-	str = "Empty."
+        str = "Empty."
       end
       @contents.push last if last
       str