PEP 1: Use plain text formatting for PEP Headers and fix links (#2259)

Co-authored-by: CAM Gerlach <CAM.Gerlach@Gerlach.CAM>

pep-0001.txt

@@ -188,7 +188,7 @@ The standard PEP workflow is:
   "Informational", or "Process" as appropriate, and for the "Status:"
   field enter "Draft".  For full details, see `PEP Header Preamble`_.
 
-* Update `.github/CODEOWNERS` [3]_ such that any co-author(s) or sponsors
+* Update `.github/CODEOWNERS`_ such that any co-author(s) or sponsors
   with write access to the `PEP repository`_ are listed for your new file.
   This ensures any future pull requests changing the file will be assigned
   to them.
@@ -530,7 +530,9 @@ PEP Header Preamble
 
 Each PEP must begin with an :rfc:`2822` style header preamble.  The headers
 must appear in the following order.  Headers marked with "*" are
-optional and are described below.  All other headers are required. ::
+optional and are described below.  All other headers are required.
+
+.. code-block:: text
 
     PEP: <pep number>
     Title: <pep title>
@@ -708,7 +710,7 @@ For each new PEP that comes in an editor does the following:
 * The file name extension is correct (i.e. ``.rst``).
 
 * Ensure that everyone listed as a sponsor or co-author of the PEP who has write
-  access to the `PEP repository`_ is added to `.github/CODEOWNERS` [3]_.
+  access to the `PEP repository`_ is added to `.github/CODEOWNERS`_.
 
 * Skim the PEP for obvious defects in language (spelling, grammar,
   sentence structure, etc.), and code style (examples should conform to
@@ -737,12 +739,8 @@ Once the PEP is ready for the repository, a PEP editor will:
   ("Standards Track", "Informational", or "Process"), and marked its
   status as "Draft".
 
-* Add the PEP to a local fork of the PEP repository.  For workflow
-  instructions, follow `The Python Developers Guide <http://docs.python.org/devguide>`_
-
-  The git repo for the peps is::
-
-   https://github.com/python/peps
+* Add the PEP to a local fork of the `PEP repository`_.  For workflow
+  instructions, follow `The Python Developers Guide <https://devguide.python.org/>`_
 
 * Run ``./genpepindex.py`` and ``./pep2html.py <PEP Number>`` to ensure they
   are generated without errors. If either triggers errors, then the web site
@@ -770,15 +768,12 @@ administrative & editorial part (which is generally a low volume task).
 
 Resources:
 
-* `Index of Python Enhancement Proposals <http://www.python.org/dev/peps/>`_
+* `Index of Python Enhancement Proposals <https://www.python.org/dev/peps/>`_
 
 * `Following Python's Development
-  <http://docs.python.org/devguide/communication.html>`_
+  <https://devguide.python.org/communication/>`_
 
-* `Python Developer's Guide <http://docs.python.org/devguide/>`_
-
-* `Frequently Asked Questions for Developers
-  <http://docs.python.org/devguide/faq.html>`_
+* `Python Developer's Guide <https://devguide.python.org/>`_
 
 
 References and Footnotes
@@ -792,17 +787,17 @@ References and Footnotes
    in the PEPs repo README at
    https://github.com/python/peps/blob/main/README.rst
 
-.. [3] `CODEOWNERS` documentation
-   (https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners)
+.. _.github/CODEOWNERS:
+   https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
 
 .. _issue tracker:
-   http://bugs.python.org/
+   https://bugs.python.org/
 
 .. _CC0-1.0-Universal: https://choosealicense.com/licenses/cc0-1.0/
 
-.. _reStructuredText: http://docutils.sourceforge.net/rst.html
+.. _reStructuredText: https://docutils.sourceforge.io/rst.html
 
-.. _Docutils: http://docutils.sourceforge.net/
+.. _Docutils: https://docutils.sourceforge.io/
 
 .. _PEP repository: https://github.com/python/peps