Doc: Fix duplicate words in idlelib (#136089)

Lib/idlelib/configdialog.py

@@ -435,7 +435,7 @@ class FontPage(Frame):
         self.font_name.set(font.lower())
 
     def set_samples(self, event=None):
-        """Update update both screen samples with the font settings.
+        """Update both screen samples with the font settings.
 
         Called on font initialization and change events.
         Accesses font_name, font_size, and font_bold Variables.

Lib/idlelib/debugger.py

@@ -1,6 +1,6 @@
 """Debug user code with a GUI interface to a subclass of bdb.Bdb.
 
-The Idb idb and Debugger gui instances each need a reference to each
+The Idb instance 'idb' and Debugger instance 'gui' need references to each
 other or to an rpc proxy for each other.
 
 If IDLE is started with '-n', so that user code and idb both run in the

Lib/idlelib/editor.py

@@ -1649,7 +1649,7 @@ class IndentSearcher:
             self.finished = 1
 
     def run(self):
-        """Return 2 lines containing block opener and and indent.
+        """Return 2 lines containing block opener and indent.
 
         Either the indent line or both may be None.
         """

Lib/idlelib/idle_test/htest.py

@@ -337,7 +337,7 @@ _tree_widget_spec = {
     'file': 'tree',
     'kwds': {},
     'msg': "The canvas is scrollable.\n"
-           "Click on folders up to to the lowest level."
+           "Click on folders up to the lowest level."
     }
 
 _undo_delegator_spec = {

Misc/ACKS

@@ -478,6 +478,7 @@ Dean Draayer
 Fred L. Drake, Jr.
 Mehdi Drissi
 Derk Drukker
+Weilin Du
 John DuBois
 Paul Dubois
 Jacques Ducasse