PEP 676: Mention additional enhacements (#2260)

Co-authored-by: Hugo van Kemenade <[email protected]>

.github/CODEOWNERS

@@ -550,7 +550,7 @@ pep-0672.rst  @encukou
 pep-0673.rst  @jellezijlstra
 pep-0674.rst  @vstinner
 pep-0675.rst  @jellezijlstra
-pep-0676.rst  @Mariatta
+pep-0676.rst  @AA-Turner @Mariatta
 pep-0677.rst  @gvanrossum
 pep-0678.rst  @iritkatriel
 pep-0679.rst  @pablogsal

pep-0676.rst

@@ -79,6 +79,7 @@ There are several requests for additional features in reading PEPs, such as:
 * typographic quotation marks [4]_
 * additional footer information [5]_
 * intersphinx functionality [6]_
+* dark mode theme [7]_
 
 These are "easy wins" from this proposal, and would serve to improve the
 quality-of-life for consumers of PEPs (including reviewers and writers).
@@ -88,7 +89,7 @@ schedule. This means that updates to PEPs cannot be circulated immediately,
 reducing productivity. The reference implementation renders and publishes all
 PEPs on every commit to the repository, solving the issue by design.
 
-The reference implementation fixes several issues [7]_. For example:
+The reference implementation fixes several issues [8]_. For example:
 
 * list styles are currently not respected by `python.org`_'s stylesheets
 * support for updating images in PEPs is challenging in `python.org`_
@@ -168,11 +169,13 @@ Reference Implementation
 ========================
 
 The proposed implementation has been merged into the `python/peps`_ repository
-in a series of pull requests [8]_. It uses the `Sphinx`_ documentation system
-with a custom theme and extensions.
+in a series of pull requests [9]_. It uses the `Sphinx`_ documentation system
+with a custom theme (supporting light and dark colour schemes) and extensions.
 
 This already automatically renders all PEPs on every commit, and publishes them
-to `python.github.io/peps`_.
+to `python.github.io/peps`_. The high level documentation for the system covers
+`how to render PEPs locally <https://python.github.io/peps/docs/build>`__ and
+`the implementation of the system <https://python.github.io/peps/docs/rendering_system>`__.
 
 
 Rejected Ideas
@@ -233,11 +236,12 @@ Footnotes
 .. [4] Requested: `peps#165 <https://github.com/python/peps/issues/165>`__
 .. [5] Requested: `pythondotorg#1564 <https://github.com/python/pythondotorg/issues/1564>`__
 .. [6] Requested: `comment in peps#2 <https://github.com/python/peps/issues/2#issuecomment-339195595>`__
-.. [7] As of November 2021, see
+.. [7] Requested: `in python-dev <https://mail.python.org/archives/list/[email protected]/message/E7PK6TLVDJIYXVGFA6ZYPB24KLJASPUI/>`__
+.. [8] As of November 2021, see
        `peps#1387 <https://github.com/python/peps/issues/1387>`__,
        `pythondotorg#824 <https://github.com/python/pythondotorg/issues/824>`__,
        `pythondotorg#1556 <https://github.com/python/pythondotorg/pull/1556>`__,
-.. [8] Implementation PRs:
+.. [9] Implementation PRs:
        `peps#1930 <https://github.com/python/peps/pull/1930>`__,
        `peps#1931 <https://github.com/python/peps/pull/1931>`__,
        `peps#1932 <https://github.com/python/peps/pull/1932>`__,