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diff --git a/Demo/tkinter/guido/rmt.py b/Demo/tkinter/guido/rmt.py
deleted file mode 100755
index d11edb0..0000000
--- a/Demo/tkinter/guido/rmt.py
+++ /dev/null
@@ -1,159 +0,0 @@
-#! /usr/bin/env python3
-
-# A Python program implementing rmt, an application for remotely
-# controlling other Tk applications.
-# Cf. Ousterhout, Tcl and the Tk Toolkit, Figs. 27.5-8, pp. 273-276.
-
-# Note that because of forward references in the original, we
-# sometimes delay bindings until after the corresponding procedure is
-# defined.  We also introduce names for some unnamed code blocks in
-# the original because of restrictions on lambda forms in Python.
-
-# XXX This should be written in a more Python-like style!!!
-
-from tkinter import *
-import sys
-
-# 1. Create basic application structure: menu bar on top of
-# text widget, scrollbar on right.
-
-root = Tk()
-tk = root.tk
-mBar = Frame(root, relief=RAISED, borderwidth=2)
-mBar.pack(fill=X)
-
-f = Frame(root)
-f.pack(expand=1, fill=BOTH)
-s = Scrollbar(f, relief=FLAT)
-s.pack(side=RIGHT, fill=Y)
-t = Text(f, relief=RAISED, borderwidth=2, yscrollcommand=s.set, setgrid=1)
-t.pack(side=LEFT, fill=BOTH, expand=1)
-t.tag_config('bold')
-s['command'] = t.yview
-
-root.title('Tk Remote Controller')
-root.iconname('Tk Remote')
-
-# 2. Create menu button and menus.
-
-file = Menubutton(mBar, text='File', underline=0)
-file.pack(side=LEFT)
-file_m = Menu(file)
-file['menu'] = file_m
-file_m_apps = Menu(file_m, tearoff=0)
-file_m.add_cascade(label='Select Application', underline=0,
-                   menu=file_m_apps)
-file_m.add_command(label='Quit', underline=0, command=sys.exit)
-
-# 3. Create bindings for text widget to allow commands to be
-# entered and information to be selected.  New characters
-# can only be added at the end of the text (can't ever move
-# insertion point).
-
-def single1(e):
-    x = e.x
-    y = e.y
-    t.setvar('tk_priv(selectMode)', 'char')
-    t.mark_set('anchor', At(x, y))
-    # Should focus W
-t.bind('<1>', single1)
-
-def double1(e):
-    x = e.x
-    y = e.y
-    t.setvar('tk_priv(selectMode)', 'word')
-    t.tk_textSelectTo(At(x, y))
-t.bind('<Double-1>', double1)
-
-def triple1(e):
-    x = e.x
-    y = e.y
-    t.setvar('tk_priv(selectMode)', 'line')
-    t.tk_textSelectTo(At(x, y))
-t.bind('<Triple-1>', triple1)
-
-def returnkey(e):
-    t.insert(AtInsert(), '\n')
-    invoke()
-t.bind('<Return>', returnkey)
-
-def controlv(e):
-    t.insert(AtInsert(), t.selection_get())
-    t.yview_pickplace(AtInsert())
-    if t.index(AtInsert())[-2:] == '.0':
-        invoke()
-t.bind('<Control-v>', controlv)
-
-# 4. Procedure to backspace over one character, as long as
-# the character isn't part of the prompt.
-
-def backspace(e):
-    if t.index('promptEnd') != t.index('insert - 1 char'):
-        t.delete('insert - 1 char', AtInsert())
-        t.yview_pickplace(AtInsert())
-t.bind('<BackSpace>', backspace)
-t.bind('<Control-h>', backspace)
-t.bind('<Delete>', backspace)
-
-
-# 5. Procedure that's invoked when return is typed:  if
-# there's not yet a complete command (e.g. braces are open)
-# then do nothing.  Otherwise, execute command (locally or
-# remotely), output the result or error message, and issue
-# a new prompt.
-
-def invoke():
-    cmd = t.get('promptEnd + 1 char', AtInsert())
-    if t.getboolean(tk.call('info', 'complete', cmd)): # XXX
-        if app == root.winfo_name():
-            msg = tk.call('eval', cmd) # XXX
-        else:
-            msg = t.send(app, cmd)
-        if msg:
-            t.insert(AtInsert(), msg + '\n')
-        prompt()
-    t.yview_pickplace(AtInsert())
-
-def prompt():
-    t.insert(AtInsert(), app + ': ')
-    t.mark_set('promptEnd', 'insert - 1 char')
-    t.tag_add('bold', 'insert linestart', 'promptEnd')
-
-# 6. Procedure to select a new application.  Also changes
-# the prompt on the current command line to reflect the new
-# name.
-
-def newApp(appName):
-    global app
-    app = appName
-    t.delete('promptEnd linestart', 'promptEnd')
-    t.insert('promptEnd', appName + ':')
-    t.tag_add('bold', 'promptEnd linestart', 'promptEnd')
-
-def fillAppsMenu():
-    file_m_apps.add('command')
-    file_m_apps.delete(0, 'last')
-    names = root.winfo_interps()
-    names = list(names) # convert tuple to list
-    names.sort()
-    for name in names:
-        try:
-            root.send(name, 'winfo name .')
-        except TclError:
-            # Inoperative window -- ignore it
-            pass
-        else:
-            file_m_apps.add_command(
-                label=name,
-                command=lambda name=name: newApp(name))
-
-file_m_apps['postcommand'] = fillAppsMenu
-mBar.tk_menuBar(file)
-
-# 7. Miscellaneous initialization.
-
-app = root.winfo_name()
-prompt()
-t.focus()
-
-root.mainloop()