bpo-35054: Add yet more index entries for symbols. (GH-10121)
diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst
index d9c1c35..4af4b73 100644
--- a/Doc/library/tkinter.rst
+++ b/Doc/library/tkinter.rst
@@ -262,6 +262,8 @@
*classCommand*
denotes which kind of widget to make (a button, a label, a menu...)
+.. index:: single: . (dot); in Tkinter
+
*newPathname*
is the new name for this widget. All names in Tk must be unique. To help
enforce this, widgets in Tk are named with *pathnames*, just like files in a