[3.6] bpo-35054: Add yet more index entries for symbols. (GH-10121). (GH-10182)

(cherry picked from commit 913876d)

Author: serhiy-storchaka

Doc/library/argparse.rst

@@ -844,6 +844,8 @@ values are:
   Note that ``nargs=1`` produces a list of one item.  This is different from
   the default, in which the item is produced by itself.
 
+.. index:: single: ? (question mark); in argparse module
+
 * ``'?'``. One argument will be consumed from the command line if possible, and
   produced as a single item.  If no command-line argument is present, the value from
   default_ will be produced.  Note that for optional arguments, there is an
@@ -876,6 +878,8 @@ values are:
      Namespace(infile=<_io.TextIOWrapper name='<stdin>' encoding='UTF-8'>,
                outfile=<_io.TextIOWrapper name='<stdout>' encoding='UTF-8'>)
 
+.. index:: single: * (asterisk); in argparse module
+
 * ``'*'``.  All command-line arguments present are gathered into a list.  Note that
   it generally doesn't make much sense to have more than one positional argument
   with ``nargs='*'``, but multiple optional arguments with ``nargs='*'`` is
@@ -888,6 +892,8 @@ values are:
      >>> parser.parse_args('a b --foo x y --bar 1 2'.split())
      Namespace(bar=['1', '2'], baz=['a', 'b'], foo=['x', 'y'])
 
+.. index:: single: + (plus); in argparse module
+
 * ``'+'``. Just like ``'*'``, all command-line args present are gathered into a
   list.  Additionally, an error message will be generated if there wasn't at
   least one command-line argument present.  For example::

Doc/library/ast.rst

@@ -41,6 +41,9 @@ Node classes
    with alternatives (aka "sums"), the left-hand side class is abstract: only
    instances of specific constructor nodes are ever created.
 
+   .. index:: single: ? (question mark); in AST grammar
+   .. index:: single: * (asterisk); in AST grammar
+
    .. attribute:: _fields
 
       Each concrete class has an attribute :attr:`_fields` which gives the names

Doc/library/cmd.rst

@@ -61,6 +61,10 @@ A :class:`Cmd` instance has the following methods:
 
    An end-of-file on input is passed back as the string ``'EOF'``.
 
+   .. index::
+      single: ? (question mark); in a command interpreter
+      single: ! (exclamation); in a command interpreter
+
    An interpreter instance will recognize a command name ``foo`` if and only if it
    has a method :meth:`do_foo`.  As a special case, a line beginning with the
    character ``'?'`` is dispatched to the method :meth:`do_help`.  As another

Doc/library/codecs.rst

@@ -312,6 +312,14 @@ defined and implemented by all standard Python codecs:
 The following error handlers are only applicable to
 :term:`text encodings <text encoding>`:
 
+.. index::
+   single: ? (question mark); replacement character
+   single: \ (backslash); escape sequence
+   single: \x; escape sequence
+   single: \u; escape sequence
+   single: \U; escape sequence
+   single: \N; escape sequence
+
 +-------------------------+-----------------------------------------------+
 | Value                   | Meaning                                       |
 +=========================+===============================================+

Doc/library/configparser.rst

@@ -291,7 +291,7 @@ On top of the core functionality, :class:`ConfigParser` supports
 interpolation.  This means values can be preprocessed before returning them
 from ``get()`` calls.
 
-.. index:: single: %; interpolation in configuration files
+.. index:: single: % (percent); interpolation in configuration files
 
 .. class:: BasicInterpolation()
 
@@ -321,7 +321,7 @@ from ``get()`` calls.
    ``%(my_dir)s/Pictures`` as the value of ``my_pictures`` and
    ``%(home_dir)s/lumberjack`` as the value of ``my_dir``.
 
-.. index:: single: $; interpolation in configuration files
+.. index:: single: $ (dollar); interpolation in configuration files
 
 .. class:: ExtendedInterpolation()
 

Doc/library/curses.ascii.rst

@@ -207,6 +207,10 @@ The following function takes either a single-character string or integer value;
 it returns a string.
 
 
+.. index::
+   single: ^ (caret); in curses module
+   single: ! (exclamation); in curses module
+
 .. function:: unctrl(c)
 
    Return a string representation of the ASCII character *c*.  If *c* is printable,

Doc/library/datetime.rst

@@ -1928,7 +1928,7 @@ Class attributes:
 
 
 .. index::
-   single: %; datetime format
+   single: % (percent); datetime format
 
 .. _strftime-strptime-behavior:
 

Doc/library/doctest.rst

@@ -485,7 +485,7 @@ Some details you should read once, but won't need to remember:
   to test a :exc:`SyntaxError` that omits the traceback header, you will need to
   manually add the traceback header line to your test example.
 
-.. index:: single: ^; caret
+.. index:: single: ^ (caret); marker
 
 * For some :exc:`SyntaxError`\ s, Python displays the character position of the
   syntax error, using a ``^`` marker::
@@ -695,9 +695,9 @@ useful unless you intend to extend :mod:`doctest` internals via subclassing:
 
 
 .. index::
-   single: #; in doctests
-   single: +; in doctests
-   single: -; in doctests
+   single: # (hash); in doctests
+   single: + (plus); in doctests
+   single: - (minus); in doctests
 .. _doctest-directives:
 
 Directives

Doc/library/fnmatch.rst

@@ -16,6 +16,13 @@ This module provides support for Unix shell-style wildcards, which are *not* the
 same as regular expressions (which are documented in the :mod:`re` module).  The
 special characters used in shell-style wildcards are:
 
+.. index::
+   single: * (asterisk); in glob-style wildcards
+   single: ? (question mark); in glob-style wildcards
+   single: [] (square brackets); in glob-style wildcards
+   single: ! (exclamation); in glob-style wildcards
+   single: - (minus); in glob-style wildcards
+
 +------------+------------------------------------+
 | Pattern    | Meaning                            |
 +============+====================================+

Doc/library/gettext.rst

@@ -61,7 +61,7 @@ class-based API instead.
    *domain*, which is returned.
 
 
-.. index:: single: _; gettext
+.. index:: single: _ (underscore); gettext
 .. function:: gettext(message)
 
    Return the localized translation of *message*, based on the current global