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Akira Yokosawa 71483049de docs: kernel_include.py: Cope with docutils 0.21
commit d43ddd5c91 upstream.

Running "make htmldocs" on a newly installed Sphinx 7.3.7 ends up in
a build error:

    Sphinx parallel build error:
    AttributeError: module 'docutils.nodes' has no attribute 'reprunicode'

docutils 0.21 has removed nodes.reprunicode, quote from release note [1]:

  * Removed objects:

    docutils.nodes.reprunicode, docutils.nodes.ensure_str()
        Python 2 compatibility hacks

Sphinx 7.3.0 supports docutils 0.21 [2]:

kernel_include.py, whose origin is misc.py of docutils, uses reprunicode.

Upstream docutils removed the offending line from the corresponding file
(docutils/docutils/parsers/rst/directives/misc.py) in January 2022.
Quoting the changelog [3]:

    Deprecate `nodes.reprunicode` and `nodes.ensure_str()`.

    Drop uses of the deprecated constructs (not required with Python 3).

Do the same for kernel_include.py.

Tested against:
  - Sphinx 2.4.5 (docutils 0.17.1)
  - Sphinx 3.4.3 (docutils 0.17.1)
  - Sphinx 5.3.0 (docutils 0.18.1)
  - Sphinx 6.2.1 (docutils 0.19)
  - Sphinx 7.2.6 (docutils 0.20.1)
  - Sphinx 7.3.7 (docutils 0.21.2)

Link: http://www.docutils.org/RELEASE-NOTES.html#release-0-21-2024-04-09 [1]
Link: https://www.sphinx-doc.org/en/master/changes.html#release-7-3-0-released-apr-16-2024 [2]
Link: c8471ce47a [3]
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/faf5fa45-2a9d-4573-9d2e-3930bdc1ed65@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-05-25 16:22:55 +02:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.