Document the tk package.

pep-3108.txt

@@ -535,6 +535,38 @@ SimpleHTTPServer   http.server [2]_
        safely as they have no naming conflicts.
 
 
+tk package
+//////////
+
+==================  ===============================
+Current Name        Replacement Name
+==================  ===============================
+Canvas              tk.canvas
+Dialog              tk.dialog
+FileDialog          tk.filedialog [4]_
+FixTk               tk._fix
+ScrolledText        tk.scrolledtext
+SimpleDialog        tk.simpledialog [5]_
+Tix                 tk.tix
+Tkconstants         tk.constants
+Tkdnd               tk.dnd
+Tkinter             tk.inter
+tkColorChooser      tk.colorchooser
+tkCommonDialog      tk.commondialog
+tkFileDialog        tk.filedialog [4]_
+tkFont              tk.font
+tkMessageBox        tk.messagebox
+tkSimpleDialog      tk.simpledialog [5]_
+turtle              tk.turtle
+==================  ===============================
+
+.. [4] ``tk.filedialog`` can safely combine ``FileDialog`` and ``tkFileDialog``
+       as there are no naming conflicts.
+       
+.. [5] ``tk.simpledialog`` can safely combine ``SimpleDialog`` and
+       ``tkSimpleDialog`` have no naming conflicts.
+
+
 xmlrpc package
 //////////////