Release 0.5.4

Also: some tweaks in README and DEVELOPING

CHANGES.rst

@@ -1,11 +1,11 @@
 Release History
 ---------------
 
-Release 0.5.4 (in development)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Release 0.5.4 (2022-06-17)
+~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-A `discussion board`_ has been set up where you can connect with other rinohtype
-users and the developers!
+A `discussion board`_ has been set up where you can connect with other
+rinohtype users and the developers!
 
 .. _discussion board: https://github.com/brechtm/rinohtype/discussions
 
@@ -90,6 +90,9 @@ Fixed:
   and importlib_metadata 3.6)
 * Handle deprecation of distutils in Python 3.10 (use the packaging package)
 
+Part of the work included in this release was kindly sponsored by `Lekis
+<https://www.lekis.cz/>`_ and `Railnova <https://www.railnova.eu/>`_.
+
 
 Release 0.5.3 (2021-06-16)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~

DEVELOPING.rst

@@ -189,8 +189,9 @@ Pages is handled by the GitHub Actions workflow.
 6. Set the release date.
 
    * set ``__release_date__`` in *src/rinoh/__init__.py* (``YYYY-MM-DD``)
-   * add release date to this release's section (see other sections for
-     examples)
+   * add release date to this release's section in the CHANGELOG (see other
+     sections for examples)
+   * commit these changes as *Release x.y.z*
 
 7. Create a git tag: ``git tag v$(poetry version --short)``
 
@@ -210,11 +211,12 @@ Pages is handled by the GitHub Actions workflow.
 
     * Copy the release notes from the change log
 
-11. Bump version number and reset the release date to "upcoming".
+11. Bump version number and reset the release date to "in development".
 
     * ``poetry version patch  # or 'minor'``
     * add new section at the top of the changelog
-    * set ``__release_date__`` in *src/rinoh/__init__.py* to ``'upcoming'``
+    * set ``__release_date__`` in *src/rinoh/__init__.py* to
+      ``'in development'``
 
 
 .. _PyPI: https://pypi.org/

README.rst

@@ -110,7 +110,7 @@ end-of-life_ status. For parsing reStructuredText and CommonMark documents,
 rinohtype depends on docutils_ and recommonmark_ respectively. pip_ takes care
 of installing these requirements when you install rinohtype.
 
-Syntax highlighting of code blocks is eneabled if Pygments_ is installed, which
+Syntax highlighting of code blocks is enabled if Pygments_ is installed, which
 will be installed automatically with Sphinx_. If you want to include images
 other than PDF, PNG or JPEG, you also need to install Pillow_.
 

src/rinoh/__init__.py

@@ -35,7 +35,7 @@
 
 
 __version__ = importlib_metadata.version('rinohtype')
-__release_date__ = 'in development'
+__release_date__ = '2022-06-17'
 
 
 from . import resource