3 files changed, 5 insertions, 5 deletions
diff --git a/lib/irb/ext/history.rb b/lib/irb/ext/history.rb
index 1e978181ae..40f8692e8b 100644
--- a/lib/irb/ext/history.rb
+++ b/lib/irb/ext/history.rb
@@ -33,7 +33,7 @@ module IRB
     attr_reader :eval_history
     def eval_history=(no)
       if no
-	if @eval_history 
+	if defined?(@eval_history) && @eval_history
 	  @eval_history_values.size(no)
 	else
 	  @eval_history_values = History.new(no)
diff --git a/lib/irb/notifier.rb b/lib/irb/notifier.rb
index 22752bf894..c8e66fa859 100644
--- a/lib/irb/notifier.rb
+++ b/lib/irb/notifier.rb
@@ -52,7 +52,7 @@ module IRB
 
       def puts(*objs)
 	if notify?
-	  @base_notifier.puts *objs.collect{|obj| prefix + obj.to_s}
+	  @base_notifier.puts(*objs.collect{|obj| prefix + obj.to_s})
 	end
       end
 
diff --git a/lib/irb/output-method.rb b/lib/irb/output-method.rb
index 93db767de4..b9a3a8851e 100644
--- a/lib/irb/output-method.rb
+++ b/lib/irb/output-method.rb
@@ -68,18 +68,18 @@ module IRB
     end
 
     def pp(*objs)
-      puts *objs.collect{|obj| obj.inspect}
+      puts(*objs.collect{|obj| obj.inspect})
     end
 
     def ppx(prefix, *objs)
-      puts *objs.collect{|obj| prefix+obj.inspect}
+      puts(*objs.collect{|obj| prefix+obj.inspect})
     end
 
   end
 
   class StdioOutputMethod<OutputMethod
     def print(*opts)
-      STDOUT.print *opts
+      STDOUT.print(*opts)
     end
   end
 end