'BitmapFromBuffer',
         'RawBitmapAccess',
         'DragScroller',
-##        'AlphaDrawing',
         'DelayedResult',
         'ExpandoTextCtrl',
         'ButtonPanel',
         'CustomTreeCtrl',
         'AboutBox',
         'AnimateCtrl',
+        'AlphaDrawing',
+        'GraphicsContext',
         ]),
 
     # managed windows == things with a (optional) caption you can close
 
     # Images
     ('Using Images', [
-##        'AlphaDrawing',
+        'AlphaDrawing',
         'AnimationCtrl',
         'ArtProvider',
         'BitmapFromBuffer',
 
     # Other stuff
     ('Miscellaneous', [
-##        'AlphaDrawing',
+        'AlphaDrawing',
         'ColourDB',
         ##'DialogUnits',   # needs more explanations
         'DragScroller',
         'DrawXXXList',
         'FileHistory',
         'FontEnumerator',
+        'GraphicsContext',
         'GLCanvas',
         'Joystick',
         'MimeTypesManager',
             if wx.Platform == '__WXMSW__':
                 self.StyleSetSpec(stc.STC_STYLE_DEFAULT, 
                                   'fore:#000000,back:#FFFFFF,face:Courier New,size:9')
+            elif wx.Platform == '__WXMAC__':
+                # TODO: if this looks fine on Linux too, remove the Mac-specific case 
+                # and use this whenever OS != MSW.
+                self.StyleSetSpec(stc.STC_STYLE_DEFAULT, 
+                                  'fore:#000000,back:#FFFFFF,face:Courier')
             else:
                 self.StyleSetSpec(stc.STC_STYLE_DEFAULT, 
                                   'fore:#000000,back:#FFFFFF,face:Courier,size:9')