diff --git a/wxPython/demo/AlphaDrawing.py b/wxPython/demo/AlphaDrawing.py
index 7023b7beda..6fb15a97c3 100644
--- a/wxPython/demo/AlphaDrawing.py
+++ b/wxPython/demo/AlphaDrawing.py
@@ -35,7 +35,13 @@ then these squares should be transparent.
             dc.SetBrush(wx.Brush(brushclr))
             rect.SetPosition(pos)
             dc.DrawRoundedRectangleRect(rect, 8)
-            
+
+        # some additional testing stuff
+        #dc.SetPen(wx.Pen(wx.Colour(0,0,255, 196)))
+        #dc.SetBrush(wx.Brush(wx.Colour(0,0,255, 64)))
+        #dc.DrawCircle(50, 275, 25)
+        #dc.DrawEllipse(100, 275, 75, 50)
+        
         
 #----------------------------------------------------------------------
 
diff --git a/wxPython/demo/GraphicsContext.py b/wxPython/demo/GraphicsContext.py
index 99510b0605..e598362381 100644
--- a/wxPython/demo/GraphicsContext.py
+++ b/wxPython/demo/GraphicsContext.py
@@ -70,6 +70,13 @@ class TestPanel(wx.Panel):
         gc.DrawText("Scale", 0, -BASE2)
         gc.Translate(0, 20)
 
+        # for testing clipping
+        #gc.Clip(0, 0, 100, 100)
+        #rgn = wx.RegionFromPoints([ (0,0), (75,0), (75,25,), (100, 25),
+        #                            (100,100), (0,100), (0,0)  ])
+        #gc.ClipRegion(rgn)
+        #gc.ResetClip()
+        
         gc.SetBrush(wx.Brush(wx.Colour(178,  34,  34, 128)))   # 128 == half transparent
         for cnt in range(8):
             gc.Scale(1.08, 1.08)    # increase scale by 8%
@@ -81,7 +88,7 @@ class TestPanel(wx.Panel):
         gc.PushState()             # save it again
         gc.Translate(400, 200)
         gc.DrawText("Rotate", 0, -BASE2)
-
+        
         gc.Translate(0, 75)
         for angle in range(0, 360, 30):
             gc.PushState()         # save this new current state so we can pop back to