textView cleanup. Patch 1718043 Tal Einat.

M    idlelib/EditorWindow.py
M    idlelib/aboutDialog.py
M    idlelib/textView.py
M    idlelib/NEWS.txt
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index e711500..3126c2f 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -392,7 +392,7 @@
 
     def help_dialog(self, event=None):
         fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
-        textView.TextViewer(self.top,'Help',fn)
+        textView.view_file(self.top,'Help',fn)
 
     def python_docs(self, event=None):
         if sys.platform[:3] == 'win':