diff --git a/.gitignore b/.gitignore
index 45464ab..f49408a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,15 +30,4 @@
 /OWSLib-0.27.2.tar.gz
 /OWSLib-0.28.0.tar.gz
 /OWSLib-0.28.1.tar.gz
-/OWSLib-0.29.0.tar.gz
-/OWSLib-0.29.1.tar.gz
-/OWSLib-0.29.2.tar.gz
-/OWSLib-0.29.3.tar.gz
-/OWSLib-0.30.0.tar.gz
-/OWSLib-0.30.0-filtered.tar.zst
-/OWSLib-0.31.0-filtered.tar.zst
-/OWSLib-0.32.0-filtered.tar.zst
-/OWSLib-0.33.0-filtered.tar.zst
-/OWSLib-0.34.0-filtered.tar.zst
-/OWSLib-0.34.1-filtered.tar.zst
-/OWSLib-0.35.0-filtered.tar.zst
+/OWSLib-0.28.1-filtered.tar.zst
diff --git a/python-OWSLib.rpmlintrc b/python-OWSLib.rpmlintrc
index 694038d..981f880 100644
--- a/python-OWSLib.rpmlintrc
+++ b/python-OWSLib.rpmlintrc
@@ -1,7 +1,2 @@
-# The source cannot be a URL because we have to filter out files before
-# uploading to the lookaside cache.
-addFilter(r" invalid-url .* OWSLib-.*-filtered\.tar\.zst")
-# There is nothing wrong with .tar.zst, but rpmlint does not know that.
-addFilter(r" inconsistent-file-extension .*\.tar\.zst")
-# Removed without replacement in Fedora 42
-addFilter(r" obsolete-not-provided python-OWSLIB-doc")
+# All documentation is in the -doc subpackage.
+addFilter(r" no-documentation$")
diff --git a/python-OWSLib.spec b/python-OWSLib.spec
index a44a326..b079441 100644
--- a/python-OWSLib.spec
+++ b/python-OWSLib.spec
@@ -1,5 +1,15 @@
+# Sphinx-generated HTML documentation is not suitable for packaging; see
+# https://bugzilla.redhat.com/show_bug.cgi?id=2006555 for discussion.
+#
+# We can generate PDF documentation as a substitute. However, EPEL9 is
+# currently missing some documentation dependencies:
+#   - python-ipykernel
+#   - python-nbconvert
+#   - python-nbsphinx
+%bcond doc_pdf 0
+
 Name:           python-OWSLib
-Version:        0.35.0
+Version:        0.28.1
 Release:        %autorelease
 Summary:        OGC Web Service utility library
 
@@ -23,29 +33,16 @@ URL:            https://geopython.github.io/OWSLib
 Source0:        OWSLib-%{version}-filtered.tar.zst
 Source1:        get_source
 
-BuildSystem:            pyproject
-BuildOption(install):   -l owslib
-
 BuildArch:      noarch
 
-# Tests; dependencies are in requirements-dev.txt.
-BuildRequires:  %{py3_dist pytest}
-BuildRequires:  %{py3_dist pytest_httpserver}
-BuildRequires:  %{py3_dist Pillow}
-# We don’t have pytest-socket packaged, and we can get by without it.
-# - pytest-socket
-# We don’t use tox to run the tests. It would run "python3 setup.py develop",
-# which is unwanted.
-# - tox
-# Unwanted linting/coverage dependencies:
-# https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/#_linters
-# - coverage
-# - coveralls
-# - flake8
-# - pytest-cov
-# These are just for the maintainer to upload to PyPI.
-# - build
-# - twine
+BuildRequires:  python3-devel
+
+%if %{with doc_pdf}
+BuildRequires:  make
+BuildRequires:  python3-sphinx-latex
+BuildRequires:  latexmk
+BuildRequires:  pandoc
+%endif
 
 %global common_description %{expand:
 OWSLib is a Python package for client programming with Open Geospatial
@@ -65,19 +62,69 @@ Summary:        %{summary}
 
 %py_provides python3-owslib
 
-# The -doc subpackage was removed for Fedora 42; we can remove this Obsoletes
-# after Fedora 44. (EPEL10 never had a -doc subpackage.)
-Obsoletes:      python-OWSLIB-doc < 0.32.0-1
-
 %description -n python3-OWSLib %{common_description}
 
 
-%prep -a
+%package doc
+Summary:        Documentation and examples for OWSLib
+
+%description doc
+%{summary}.
+
+
+%prep
+%autosetup -n OWSLib-%{version}
+
 # Don’t analyze/report test coverage
-sed -r -i 's/^([[:blank:]]*)(--cov\b)/\1# \2/' tox.ini
+sed -r -i 's/[-]-cov[^[:blank:]]*[[:blank:]][^[[:blank:]]+//g' tox.ini
+# Don’t generate linting/coverage dependencies.
+#
+# We don’t have python3dist(pandoc) packaged, and besides, we don’t actually
+# need python3dist(pandoc)—only the pandoc command-line tool, which we have
+# manually BR’d.
+#
+# Don’t generate twine dependency, which is just for the upstream maintainer
+# uploading to PyPI.
+sed -r -e '/^(flake8|pytest-cov|pandoc|coverage|coveralls|twine)\b/d' \
+%if %{without doc_pdf}
+    -e '/^(ipykernel|nbconvert|.*sphinx)/d' \
+%endif
+    requirements-dev.txt | tee requirements-dev-filtered.txt
+
+# We don’t need shebangs in the examples. The pattern of selecting files
+# before modifying them with sed keeps us from unnecessarily discarding the
+# original mtimes on unmodified files.
+find 'examples' -type f -name '*.py' \
+    -exec gawk '/^#!/ { print FILENAME }; { nextfile }' '{}' '+' |
+  xargs -r sed -r -i '1{/^#!/d}'
+# Some of them, but not all of them, were executable.
+chmod -v a-x examples/*.py
+
+# Because at least one notebook requires Internet access, we must continue past
+# notebook errors when building documentation.
+echo 'nbsphinx_allow_errors = True' >> docs/conf.py
 
 
-%check -a
+%generate_buildrequires
+%pyproject_buildrequires requirements-dev-filtered.txt
+
+
+%build
+%pyproject_wheel
+
+%if %{with doc_pdf}
+PYTHONPATH="${PWD}" %make_build -C docs latex \
+    SPHINXOPTS='-j%{?_smp_build_ncpus}'
+%make_build -C docs/build/latex/en LATEXMKOPTS='-quiet'
+%endif
+
+
+%install
+%pyproject_install
+%pyproject_save_files -l owslib
+
+
+%check
 # Otherwise, pytest finds the package twice in the Python path and complains.
 rm -rf owslib
 
@@ -113,30 +160,24 @@ ignore="${ignore-} --ignore=tests/test_wps_getcapabilities_ceda.py"
 ignore="${ignore-} --ignore=tests/test_wps_getcapabilities_usgs.py"
 ignore="${ignore-} --ignore-glob=tests/test_wps_request*.py"
 ignore="${ignore-} --ignore-glob=tests/test_wps_response*.py"
-k="${k-}${k+ and }not test_metadata"
-k="${k-}${k+ and }not test_responsibility"
-k="${k-}${k+ and }not test_distributor"
-k="${k-}${k+ and }not test_online_distribution"
-k="${k-}${k+ and }not test_identification"
-k="${k-}${k+ and }not test_identification_contact"
-k="${k-}${k+ and }not test_identification_date"
-k="${k-}${k+ and }not test_identification_extent"
-k="${k-}${k+ and }not test_identification_keywords"
-k="${k-}${k+ and }not test_get_all_contacts"
-k="${k-}${k+ and }not test_aus"
-k="${k-}${k+ and }not test_service"
-k="${k-}${k+ and }not test_md_featurecataloguedesc"
-k="${k-}${k+ and }not test_md_imagedescription"
-k="${k-}${k+ and }not test_dq_dataquality"
-k="${k-}${k+ and }not test_md_reference_system"
-k="${k-}${k+ and }not test_service2"
-k="${k-}${k+ and }not test_md_distribution"
+# Not in 0.30.0:
+k="${k-}${k+ and }not test_wmts_example_informatievlaanderen"
 
 %pytest -m 'not online' -k "${k-}" ${ignore-} -v -rs
 
 
 %files -n python3-OWSLib -f %{pyproject_files}
-%doc README.md
+
+
+%files doc
+%license LICENSE
+%doc AUTHORS.rst
+%doc CHANGES.rst
+%doc README.rst
+%doc examples
+%if %{with doc_pdf}
+%doc docs/build/latex/en/OWSLib.pdf
+%endif
 
 
 %changelog
diff --git a/sources b/sources
index da0ff49..ab670fa 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (OWSLib-0.35.0-filtered.tar.zst) = be1eb52fa09049b720c1ebd476363e01c6442c9905c9adf0d35ccc11f39b228b9f3e64ed882a7c04987f2f38f9c8500a61aeef61e48a41602098ff22df0ed526
+SHA512 (OWSLib-0.28.1-filtered.tar.zst) = b32734fb953612e617ab28387ae55c349b8ce119454c712e7c425322d952895031c0fb15f6614a17bb34e7588cd5f90ccfcb2cc1eba1a719c569d3ae4eb44684