Doc: Replace the deprecated highlightlang directive by highlight. (#13377)

highlightlang is deprecated since April 2018 in Sphinx.
See https://github.com/sphinx-doc/sphinx/pull/4845

Doc/c-api/abstract.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _abstract:
 

Doc/c-api/allocation.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _allocating-objects:
 

Doc/c-api/apiabiversion.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _apiabiversion:
 

Doc/c-api/arg.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _arg-parsing:
 

Doc/c-api/bool.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _boolobjects:
 

Doc/c-api/buffer.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. index::
    single: buffer protocol

Doc/c-api/bytearray.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _bytearrayobjects:
 

Doc/c-api/bytes.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _bytesobjects:
 

Doc/c-api/capsule.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _capsules:
 

Doc/c-api/cell.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _cell-objects:
 

Doc/c-api/code.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _codeobjects:
 

Doc/c-api/complex.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _complexobjects:
 

Doc/c-api/concrete.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _concrete:

Doc/c-api/contextvars.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _contextvarsobjects:
 

Doc/c-api/conversion.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _string-conversion:
 

Doc/c-api/coro.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _coro-objects:
 

Doc/c-api/datetime.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _datetimeobjects:
 

Doc/c-api/descriptor.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _descriptor-objects:
 

Doc/c-api/dict.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _dictobjects:
 

Doc/c-api/exceptions.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _exceptionhandling:

Doc/c-api/file.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _fileobjects:
 

Doc/c-api/float.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _floatobjects:
 

Doc/c-api/function.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _function-objects:
 

Doc/c-api/gcsupport.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _supporting-cycle-detection:
 

Doc/c-api/gen.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _gen-objects:
 

Doc/c-api/import.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _importing:
 

Doc/c-api/init.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _initialization:

Doc/c-api/intro.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _api-intro:

Doc/c-api/iter.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _iterator:
 

Doc/c-api/iterator.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _iterator-objects:
 

Doc/c-api/list.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _listobjects:
 

Doc/c-api/long.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _longobjects:
 

Doc/c-api/mapping.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _mapping:
 

Doc/c-api/marshal.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _marshalling-utils:
 

Doc/c-api/memory.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _memory:

Doc/c-api/memoryview.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _memoryview-objects:
 

Doc/c-api/method.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _instancemethod-objects:
 

Doc/c-api/module.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _moduleobjects:
 

Doc/c-api/none.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _noneobject:
 

Doc/c-api/number.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _number:
 

Doc/c-api/objbuffer.rst

-.. highlightlang:: c
+.. highlight:: c
 
 Old Buffer Protocol
 -------------------

Doc/c-api/object.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _object:
 

Doc/c-api/objimpl.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _newtypes:
 

Doc/c-api/refcounting.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _countingrefs:

Doc/c-api/reflection.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _reflection:
 

Doc/c-api/sequence.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _sequence:
 

Doc/c-api/set.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _setobjects:
 

Doc/c-api/slice.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _slice-objects:
 

Doc/c-api/stable.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _stable:
 

Doc/c-api/structures.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _common-structs:
 

Doc/c-api/sys.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _os:
 

Doc/c-api/tuple.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _tupleobjects:
 

Doc/c-api/type.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _typeobjects:
 

Doc/c-api/typeobj.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _type-structs:
 

Doc/c-api/unicode.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _unicodeobjects:
 

Doc/c-api/utilities.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _utilities:
 

Doc/c-api/veryhigh.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _veryhigh:

Doc/c-api/weakref.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _weakrefobjects:
 

Doc/extending/building.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _building:
 
@@ -20,7 +20,7 @@ The initialization function has the signature:
 It returns either a fully-initialized module, or a :c:type:`PyModuleDef`
 instance. See :ref:`initializing-modules` for details.
 
-.. highlightlang:: python
+.. highlight:: python
 
 For modules with ASCII-only names, the function must be named
 ``PyInit_<modulename>``, with ``<modulename>`` replaced by the name of the
@@ -43,7 +43,7 @@ function corresponding to the filename is found.
 See the *"Multiple modules in one library"* section in :pep:`489` for details.
 
 
-.. highlightlang:: c
+.. highlight:: c
 
 Building C and C++ Extensions with distutils
 ============================================

Doc/extending/embedding.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _embedding:

Doc/extending/extending.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _extending-intro:

Doc/extending/newtypes.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _new-types-topics:
 

Doc/extending/newtypes_tutorial.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _defining-new-types:
 

Doc/extending/windows.rst

-.. highlightlang:: c
+.. highlight:: c
 
 
 .. _building-on-windows:

Doc/faq/windows.rst

 :tocdepth: 2
 
-.. highlightlang:: none
+.. highlight:: none
 
 .. _windows-faq:
 

Doc/howto/clinic.rst

-.. highlightlang:: c
+.. highlight:: c
 
 **********************
 Argument Clinic How-To

Doc/howto/cporting.rst

-.. highlightlang:: c
+.. highlight:: c
 
 .. _cporting-howto:
 

Doc/install/index.rst

-.. highlightlang:: none
+.. highlight:: none
 
 .. _install-index:
 

Doc/installing/index.rst

-.. highlightlang:: none
+.. highlight:: none
 
 .. _installing-index:
 

Doc/library/site.rst

@@ -8,7 +8,7 @@
 
 --------------
 
-.. highlightlang:: none
+.. highlight:: none
 
 **This module is automatically imported during initialization.** The automatic
 import can be suppressed using the interpreter's :option:`-S` option.

Doc/license.rst

-.. highlightlang:: none
+.. highlight:: none
 
 .. _history-and-license:
 

Doc/using/cmdline.rst

-.. highlightlang:: sh
+.. highlight:: sh
 
 .. ATTENTION: You probably should update Misc/python.man, too, if you modify
    this file.

Doc/using/unix.rst

-.. highlightlang:: sh
+.. highlight:: sh
 
 .. _using-on-unix:
 

Doc/using/windows.rst

-.. highlightlang:: none
+.. highlight:: none
 
 .. _using-on-windows: