diff --git a/IPython/frontend/wx/ipythonx.py b/IPython/frontend/wx/ipythonx.py
old mode 100644
new mode 100755
index 8458a6f..5c6ef04
--- a/IPython/frontend/wx/ipythonx.py
+++ b/IPython/frontend/wx/ipythonx.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """
 Entry point for a simple application giving a graphical frontend to
 ipython.
@@ -12,7 +13,7 @@ class IPythonXController(WxController):
         bindings.
     """
 
-    debug = True
+    debug = False
 
     def __init__(self, *args, **kwargs):
         WxController.__init__(self, *args, **kwargs)
@@ -66,8 +67,20 @@ class IPythonX(wx.Frame):
 
 
 def main():
+    from optparse import OptionParser
+    usage = """usage: %prog [options]
+
+Simple graphical frontend to IPython, using WxWidgets."""
+    parser = OptionParser(usage=usage)
+    parser.add_option("-d", "--debug",
+                    action="store_true", dest="debug", default=False,
+                    help="Enable debug message for the wx frontend.")
+
+    options, args = parser.parse_args()
+
     app = wx.PySimpleApp()
     frame = IPythonX(None, wx.ID_ANY, 'IPythonX')
+    frame.shell.debug = options.debug
     frame.shell.SetFocus()
     frame.shell.app = app
     frame.SetSize((680, 460))
diff --git a/IPython/frontend/wx/wx_frontend.py b/IPython/frontend/wx/wx_frontend.py
index 17693b3..55882a3 100644
--- a/IPython/frontend/wx/wx_frontend.py
+++ b/IPython/frontend/wx/wx_frontend.py
@@ -72,7 +72,7 @@ class WxController(ConsoleWidget, PrefilterFrontEnd):
     input_prompt_template = string.Template(prompt_in1)
 
     # Print debug info on what is happening to the console.
-    debug = True
+    debug = False
 
     # The title of the terminal, as captured through the ANSI escape
     # sequences.
@@ -422,7 +422,6 @@ class WxController(ConsoleWidget, PrefilterFrontEnd):
         if self.debug:
             print >>sys.__stdout__, repr(self.input_buffer)
         PrefilterFrontEnd._on_enter(self)
-        #self._colorize_input_buffer()
 
 
     #--------------------------------------------------------------------------
@@ -451,6 +450,8 @@ class WxController(ConsoleWidget, PrefilterFrontEnd):
     def _colorize_input_buffer(self):
         """ Keep the input buffer lines at a bright color.
         """
+        if not self._input_state == 'readline':
+            return
         end_line = self.GetCurrentLine() + 1
         for i in range(self.current_prompt_line, end_line):
             if i in self._markers: