wxPython mac: HSCROLL bug, Help menu bar item bug

[7stud]

imac, os 10.4.7, python 2.4.4, wxPython from this download:

wxPython2.8-osx-unicode-2.8.3.0-universal10.4-py2.4.dmg

Since these bugs are somewhat difficult to find information about, 
I thought I would make this post.  I discovered them while playing
around with my first wxPython hello world program.

Apparently, specifying horizontal scroll bars with wxPython doesn't 
work on macs:

-------------
import wx

app = wx.App()
my_win = wx.Frame(None)

my_panel = wx.Panel(my_win)
my_textArea = wx.TextCtrl(my_panel, style=wx.TE_MULTILINE | wx.HSCROLL)

my_win.Show()
app.MainLoop()
--------------

If you type a long sentence, no horizontal scroll bar will appear.  
However, the default vertical scroll bar will appear if you hit 
return a bunch of times.


The Help menu item bug is documented here:

http://article.gmane.org/gmane.comp.python.wax.user/120

It works this way.  If I create a default menu bar like this:

------
import wx

app = wx.App()
my_win = wx.Frame(None)

menu_bar = wx.MenuBar()
my_win.SetMenuBar(menu_bar)

my_win.Show()
app.MainLoop()
-------

then the menu bar has these menu items:

Python Window

If I click on one of those menu items, a Help menu item 
suddenly appears in the menu bar:

Python Window Help

I'm not really sure how ID's work, but the following code 
overwrites the Python>About sub item:

---------
import wx

app = wx.App()
my_win = wx.Frame(None)

menu_bar = wx.MenuBar()

my_menu = wx.Menu()
my_menu.Append(wx.ID_ABOUT, "My Sub Item1")
my_menu.Append(1, "My Sub Item2")

menu_bar.Append(my_menu, "My Menu Item")
my_win.SetMenuBar(menu_bar)

my_win.Show()
app.MainLoop()
----------

However, similar code does not have the same effect on
the Help menu bar item(the one described above that 
mysteriously appears when you first click on a menu bar 
item):

---------
import wx

app = wx.App()
my_win = wx.Frame(None)

menu_bar = wx.MenuBar()

my_menu = wx.Menu()
my_menu.Append(wx.ID_HELP, "Where will this appear")
my_menu.Append(1, "My Sub Item2")

menu_bar.Append(my_menu, "My Menu Item")
my_win.SetMenuBar(menu_bar)

my_win.Show()
app.MainLoop()
---------

In this case, both Append()'ed items appear under "My Menu Item".

Now, what happens if I try to create my own Help menu bar item?  
Will it overwrite the one that mysteriously appears?

---------
import wx

app = wx.App()
my_win = wx.Frame(None)

menu_bar = wx.MenuBar()

my_menu = wx.Menu()
my_menu.Append(1, "My Sub Item1")
my_menu.Append(2, "My Sub Item2")

menu_bar.Append(my_menu, "Help")
my_win.SetMenuBar(menu_bar)

my_win.Show()
app.MainLoop()
---------

When I click on the Help menu bar item I created, both sub items
display--but the other Help item mysteriously appears in the menu
bar as well, so my menu bar ends up looking like this:

Python Help Window Help