groupcharlabel = wx.StaticText( panel,-1, "Grouping char:" )
         self.groupchar = masked.TextCtrl(
-                                panel, -1, value=',', mask='&', excludeChars = '-()',
-                                formatcodes='F', emptyInvalid=True, validRequired=True
+                                panel, -1, value=',', mask='*', includeChars = ' ', excludeChars = '-()0123456789',
+                                formatcodes='F', emptyInvalid=False, validRequired=True
                                 )
 
         decimalcharlabel = wx.StaticText( panel,-1, "Decimal char:" )
 
         grid1 = wx.FlexGridSizer( 0, 4, 0, 0 )
         grid1.Add( intlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.integerwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.integerwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( groupcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.groupchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.groupchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( fraclabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
-        grid1.Add( self.fractionwidth, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.fractionwidth, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( decimalcharlabel, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
-        grid1.Add( self.decimalchar, 0, wx.FIXED_MINSIZE|wx.ALIGN_LEFT|wx.ALL, 5 )
+        grid1.Add( self.decimalchar, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
         grid1.Add( self.set_min, 0, wx.ALIGN_LEFT|wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5 )
         grid1.Add( self.min, 0, wx.ALIGN_LEFT|wx.ALL, 5 )
 
 #----------------------------------------------------------------------
 import wx.lib.masked.numctrl as mnum
-overview = mnum.__doc__
+overview = """<html>
+<PRE><FONT SIZE=-1>
+""" + mnum.__doc__ + """
+</FONT></PRE>"""
 
 if __name__ == '__main__':
     import sys,os