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diff --git a/externals/grill/py/scripts/sendrecv.py b/externals/grill/py/scripts/sendrecv.py
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+# py/pyext - python script objects for PD and MaxMSP
+#
+# Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
+# For information on usage and redistribution, and for a DISCLAIMER OF ALL
+# WARRANTIES, see the file, "license.txt," in this distribution.  
+#
+
+"""This is an example script for the py/pyext object's send/receive functionality.
+
+You can:
+- bind
+
+
+There are several classes exposing py/pyext features:
+- ex1: A class receiving messages and sending them out again
+- ex2: A class receiving messages and putting them out to an outlet
+- ex3: Do some PD scripting
+
+"""
+
+import pyext
+from time import sleep
+
+#################################################################
+
+def recv_gl(arg):
+	"""This is a global receive function, it has no access to class members."""
+	print "GLOBAL",arg
+
+class ex1(pyext._class):
+	"""Example of a class which receives and sends messages
+
+	It has two creation arguments: a receiver and a sender name.
+	There are no inlets and outlets.
+	Python functions (one global function, one class method) are bound to PD's or Max/MSP's receive symbols.
+	The class method sends the received messages out again.
+	"""
+
+
+	# no inlets and outlets
+	_inlets=0
+	_outlets=0
+
+	recvname=""   
+	sendname=""
+
+	def recv(self,arg):
+		"""This is a class-local receive function, which has access to class members."""
+
+		# print some stuff
+		print "CLASS",self.recvname,arg
+
+		# send data to specified send address
+		self._send(self.sendname,arg)
+
+
+	def __init__(self,args):
+		"""Class constructor"""
+
+		# store sender/receiver names
+		if len(args) >= 1: self.recvname = args[0]
+		if len(args) >= 2: self.sendname = args[1]
+
+		# bind functions to receiver names
+		# both are called upon message 
+		self._bind(self.recvname,self.recv)
+		self._bind(self.recvname,recv_gl)
+
+
+	def __del__(self):
+		"""Class destructor"""
+
+		# you can but you don't need to
+		# unbinding is automatically done at destruction
+		# you can also comment the _unbind lines
+		self._unbind(self.recvname,self.recv)
+		self._unbind(self.recvname,recv_gl)
+
+		pass
+
+
+#################################################################
+
+class ex2(pyext._class):
+	"""Example of a class which receives a message and forwards it to an outlet
+
+	It has one creation argument: the receiver name.
+	"""
+
+
+	# define inlets and outlets
+	_inlets=0
+	_outlets=1
+
+	recvname=""   
+
+	def recv(self,arg):
+		"""This is a class-local receive function"""
+
+		# send received data to outlet
+		self._outlet(1,arg)
+
+
+	def __init__(self,rname):
+		"""Class constructor"""
+
+		# store receiver names
+		self.recvname = rname
+
+		# bind function to receiver name
+		self._bind(self.recvname,self.recv)
+
+
+#################################################################
+
+from math import sin,cos,pi
+from cmath import exp
+from random import random,randint
+
+class ex3(pyext._class):
+	"""Example of a class which does some object manipulation by scripting"""
+
+
+	# define inlets and outlets
+	_inlets=1
+	_outlets=0
+
+	def __init__(self):
+		"""Class constructor"""
+
+		# called scripting method should run on its own thread
+		self._detach(1)  
+
+
+	def bang_1(self):
+		"""Do some scripting - PD only!"""
+
+		num = 12				# number of objects
+		ori = complex(150,150)  # origin
+		rad = 100				# radius
+		l = range(num)			# initialize list
+
+		# make flower
+		self._tocanvas("obj",ori.real,ori.imag,"bng",20,250,50,0,"empty","yeah","empty",0,-6,64,8,-24198,-1,-1)
+		for i in range(num):
+			l[i] = ori+rad*exp(complex(0,i*2*pi/num))
+			self._tocanvas("obj",l[i].real,l[i].imag,"bng",15,250,50,0,"empty","yeah"+str(i),"empty",0,-6,64,8,0,-1,-1)
+			self._tocanvas("connect",2,0,3+i,0)
+
+		# blink
+		for i in range(10):
+			self._send("yeah","bang")
+			sleep(1./(i+1))
+
+		# move objects around
+		for i in range(200):
+			ix	= randint(0,num-1)
+			l[ix] = ori+rad*complex(2*random()-1,2*random()-1)
+			self._send("yeah"+str(ix),"pos",l[ix].real,l[ix].imag)
+			sleep(0.02)
+
+		# now delete
+		# this is not well-done... from time to time an object remains
+		self._tocanvas("editmode",1)
+		for i in range(num):
+			self._tocanvas("mouse",l[i].real,l[i].imag,0,0)
+			self._tocanvas("cut")
+
+		self._tocanvas("mouse",ori.real+1,ori.imag+1,0,0)
+		self._tocanvas("cut")
+
+		self._tocanvas("editmode",0)
+