6 files changed, 56 insertions, 56 deletions
diff --git a/lib/irb/cmd/chws.rb b/lib/irb/cmd/chws.rb
index 1889e75d5e..8c0260627e 100644
--- a/lib/irb/cmd/chws.rb
+++ b/lib/irb/cmd/chws.rb
@@ -18,14 +18,14 @@ module IRB
 
     class CurrentWorkingWorkspace<Nop
       def execute(*obj)
-	irb_context.main
+        irb_context.main
       end
     end
 
     class ChangeWorkspace<Nop
       def execute(*obj)
-	irb_context.change_workspace(*obj)
-	irb_context.main
+        irb_context.change_workspace(*obj)
+        irb_context.main
       end
     end
   end
diff --git a/lib/irb/cmd/fork.rb b/lib/irb/cmd/fork.rb
index fbe5126c85..e74b2485c0 100644
--- a/lib/irb/cmd/fork.rb
+++ b/lib/irb/cmd/fork.rb
@@ -16,20 +16,20 @@ module IRB
   module ExtendCommand
     class Fork<Nop
       def execute
-	pid = send ExtendCommand.irb_original_method_name("fork")
-	unless pid
-	  class << self
-	    alias_method :exit, ExtendCommand.irb_original_method_name('exit')
-	  end
-	  if iterator?
-	    begin
-	      yield
-	    ensure
-	      exit
-	    end
-	  end
-	end
-	pid
+        pid = send ExtendCommand.irb_original_method_name("fork")
+        unless pid
+          class << self
+            alias_method :exit, ExtendCommand.irb_original_method_name('exit')
+          end
+          if iterator?
+            begin
+              yield
+            ensure
+              exit
+            end
+          end
+        end
+        pid
       end
     end
   end
diff --git a/lib/irb/cmd/load.rb b/lib/irb/cmd/load.rb
index 6c9e9f67ce..1b6dee6918 100644
--- a/lib/irb/cmd/load.rb
+++ b/lib/irb/cmd/load.rb
@@ -19,8 +19,8 @@ module IRB
       include IrbLoader
 
       def execute(file_name, priv = nil)
-#	return ruby_load(file_name) unless IRB.conf[:USE_LOADER]
-	return irb_load(file_name, priv)
+        #	return ruby_load(file_name) unless IRB.conf[:USE_LOADER]
+        return irb_load(file_name, priv)
       end
     end
 
@@ -28,38 +28,38 @@ module IRB
       include IrbLoader
 
       def execute(file_name)
-#	return ruby_require(file_name) unless IRB.conf[:USE_LOADER]
+        #	return ruby_require(file_name) unless IRB.conf[:USE_LOADER]
 
-	rex = Regexp.new("#{Regexp.quote(file_name)}(\.o|\.rb)?")
-	return false if $".find{|f| f =~ rex}
+        rex = Regexp.new("#{Regexp.quote(file_name)}(\.o|\.rb)?")
+        return false if $".find{|f| f =~ rex}
 
-	case file_name
-	when /\.rb$/
-	  begin
-	    if irb_load(file_name)
-	      $".push file_name
-	      return true
-	    end
-	  rescue LoadError
-	  end
-	when /\.(so|o|sl)$/
-	  return ruby_require(file_name)
-	end
+        case file_name
+        when /\.rb$/
+          begin
+            if irb_load(file_name)
+              $".push file_name
+              return true
+            end
+          rescue LoadError
+          end
+        when /\.(so|o|sl)$/
+          return ruby_require(file_name)
+        end
 
-	begin
-	  irb_load(f = file_name + ".rb")
-	  $".push f
-	  return true
-	rescue LoadError
-	  return ruby_require(file_name)
-	end
+        begin
+          irb_load(f = file_name + ".rb")
+          $".push f
+          return true
+        rescue LoadError
+          return ruby_require(file_name)
+        end
       end
     end
 
     class Source<Nop
       include IrbLoader
       def execute(file_name)
-	source_file(file_name)
+        source_file(file_name)
       end
     end
   end
diff --git a/lib/irb/cmd/nop.rb b/lib/irb/cmd/nop.rb
index 7bd443121e..880bfb8137 100644
--- a/lib/irb/cmd/nop.rb
+++ b/lib/irb/cmd/nop.rb
@@ -16,22 +16,22 @@ module IRB
       @RCS_ID='-$Id$-'
 
       def self.execute(conf, *opts)
-	command = new(conf)
-	command.execute(*opts)
+        command = new(conf)
+        command.execute(*opts)
       end
 
       def initialize(conf)
-	@irb_context = conf
+        @irb_context = conf
       end
 
       attr_reader :irb_context
 
       def irb
-	@irb_context.irb
+        @irb_context.irb
       end
 
       def execute(*opts)
-	#nop
+        #nop
       end
     end
   end
diff --git a/lib/irb/cmd/pushws.rb b/lib/irb/cmd/pushws.rb
index cee8538e3e..0726a4377e 100644
--- a/lib/irb/cmd/pushws.rb
+++ b/lib/irb/cmd/pushws.rb
@@ -17,21 +17,21 @@ module IRB
   module ExtendCommand
     class Workspaces<Nop
       def execute(*obj)
-	irb_context.workspaces.collect{|ws| ws.main}
+        irb_context.workspaces.collect{|ws| ws.main}
       end
     end
 
     class PushWorkspace<Workspaces
       def execute(*obj)
-	irb_context.push_workspace(*obj)
-	super
+        irb_context.push_workspace(*obj)
+        super
       end
     end
 
     class PopWorkspace<Workspaces
       def execute(*obj)
-	irb_context.pop_workspace(*obj)
-	super
+        irb_context.pop_workspace(*obj)
+        super
       end
     end
   end
diff --git a/lib/irb/cmd/subirb.rb b/lib/irb/cmd/subirb.rb
index 7363d64769..ccf4fc4bcd 100644
--- a/lib/irb/cmd/subirb.rb
+++ b/lib/irb/cmd/subirb.rb
@@ -16,25 +16,25 @@ module IRB
   module ExtendCommand
     class IrbCommand<Nop
       def execute(*obj)
-	IRB.irb(nil, *obj)
+        IRB.irb(nil, *obj)
       end
     end
 
     class Jobs<Nop
       def execute
-	IRB.JobManager
+        IRB.JobManager
       end
     end
 
     class Foreground<Nop
       def execute(key)
-	IRB.JobManager.switch(key)
+        IRB.JobManager.switch(key)
       end
     end
 
     class Kill<Nop
       def execute(*keys)
-	IRB.JobManager.kill(*keys)
+        IRB.JobManager.kill(*keys)
       end
     end
   end