diff --git a/.gitignore b/.gitignore
index 45464ab..6236253 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,20 +25,3 @@
 /OWSLib-0.19.1.tar.gz
 /OWSLib-0.20.0.tar.gz
 /OWSLib-0.21.0.tar.gz
-/OWSLib-0.25.0.tar.gz
-/OWSLib-0.26.0.tar.gz
-/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
diff --git a/get_source b/get_source
deleted file mode 100755
index 085fbb8..0000000
--- a/get_source
+++ /dev/null
@@ -1,63 +0,0 @@
-#!/bin/sh
-set -o nounset
-set -o errexit
-
-FORGEURL='https://github.com/geopython/OWSLib'
-
-print_help()
-{
-	cat <<EOF
-Usage: $1 VERSION
-
-Generate a source archive for OWSLib with questionably-licensed XML files in
-tests/resources/ removed. The result will be named
-OWSLib-\${VERSION}-filtered.tar.zst and will be written into the current
-working directory.
-EOF
-}
-
-if [ "$#" != '1' ]
-then
-	exec 1>&2
-	print_help "${0}"
-	exit 1
-elif [ "${1-}" = '-h' ] || [ "${1-}" = '--help' ]
-then
-	print_help "${0}"
-	exit 0
-fi
-
-VERSION="${1}"
-SOURCE0="${FORGEURL}/archive/${VERSION}/OWSLib-${VERSION}.tar.gz"
-TARNAME="$(basename "${SOURCE0}")"
-TARDIR="$(basename "${SOURCE0}" '.tar.gz')"
-NEWTAR="${TARDIR}-filtered.tar.zst"
-
-SAVEDIR="${PWD}"
-XDIR="$(mktemp -d)"
-trap "rm -rf '${XDIR}'" INT TERM EXIT
-
-cd "${XDIR}"
-curl -L -O "${SOURCE0}"
-echo "Extracting ${TARNAME}…" 1>&2
-tar -xzf "${TARNAME}"
-MTIME="$(stat -c '%Y' "${TARDIR}")"
-rm -rvf "${TARDIR}/tests/resources"
-echo "Re-compressing as ${NEWTAR}…" 1>&2
-# https://www.gnu.org/software/tar/manual/html_section/Reproducibility.html
-# We reset all mtimes to that of the top-level extracted directory; since git
-# archives don’t have meaningful per-file mtimes, nothing useful is lost.
-TZ=UTC LC_ALL=C tar \
-    --create \
-    --sort=name \
-    --format=posix \
-    --numeric-owner --owner=0 --group=0 \
-    --mode=go+u,go-w \
-    --pax-option='delete=atime,delete=ctime' \
-    --clamp-mtime --mtime="@${MTIME}" \
-    "${TARDIR}/" |
-  zstdmt --ultra -22 > "${NEWTAR}"
-touch -d @"${MTIME}" "${NEWTAR}"
-
-cd "${SAVEDIR}"
-mv -v "${XDIR}/${NEWTAR}" .
diff --git a/python-OWSLib.rpmlintrc b/python-OWSLib.rpmlintrc
deleted file mode 100644
index 694038d..0000000
--- a/python-OWSLib.rpmlintrc
+++ /dev/null
@@ -1,7 +0,0 @@
-# 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")
diff --git a/python-OWSLib.spec b/python-OWSLib.spec
index a44a326..0e0cba0 100644
--- a/python-OWSLib.spec
+++ b/python-OWSLib.spec
@@ -1,53 +1,29 @@
+# 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.
+%bcond_without doc_pdf
+
 Name:           python-OWSLib
-Version:        0.35.0
+Version:        0.21.0
 Release:        %autorelease
-Summary:        OGC Web Service utility library
+Summary:        Client library for OGC web services
 
-License:        BSD-3-Clause
+License:        BSD
 URL:            https://geopython.github.io/OWSLib
-# A filtered source archive, obtained by (see Source1):
-#
-#   ./get_source %%{version}
-#
-# is required because tests/resources/ contains XML data files that appear to
-# have been pulled from various GIS databases, and the license terms for these
-# files are unclear.
-#
-# The unfiltered base source URL would be:
-#
-# https://github.com/geopython/OWSLib/archive/%%{version}/OWSLib-%%{version}.tar.gz
-#
-# We *could* use the PyPI sdist, which does not contain tests/resources/, but
-# it also does not contain any tests at all. We can still run some tests
-# without the XML files, and we would like to do so.
-Source0:        OWSLib-%{version}-filtered.tar.zst
-Source1:        get_source
-
-BuildSystem:            pyproject
-BuildOption(install):   -l owslib
+Source0:        https://github.com/geopython/OWSLib/archive/%{version}/OWSLib-%{version}.tar.gz
 
 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
 
-%global common_description %{expand:
+%if %{with doc_pdf}
+BuildRequires:  make
+BuildRequires:  python3-sphinx-latex
+BuildRequires:  latexmk
+%endif
+
+%global common_description %{expand: \
 OWSLib is a Python package for client programming with Open Geospatial
 Consortium (OGC) web service (hence OWS) interface standards, and their related
 content models.
@@ -57,86 +33,115 @@ Full documentation is available at http://geopython.github.io/OWSLib
 OWSLib provides a common API for accessing service metadata and wrappers for
 numerous OGC Web Service interfaces.}
 
-%description %{common_description}
+%description
+%{common_description}
 
 
 %package -n python3-OWSLib
 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}
+%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
+sed -r '/^(flake8|pytest-cov)\b/d' requirements-dev.txt \
+    > 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
 
 
-%check -a
+%generate_buildrequires
+%pyproject_buildrequires -r requirements-dev-filtered.txt
+
+
+%build
+%pyproject_wheel
+
+%if %{with doc_pdf}
+%make_build -C docs latex SPHINXOPTS='%{?_smp_mflags}'
+%make_build -C docs/build/latex/en LATEXMKOPTS='-quiet'
+%endif
+
+
+%install
+%pyproject_install
+%pyproject_save_files owslib
+
+
+%check
 # Otherwise, pytest finds the package twice in the Python path and complains.
 rm -rf owslib
 
-# These require test data files from tests/resources/, which we have removed:
-ignore="${ignore-} --ignore-glob=tests/doctests/*.txt"
-k="${k-}${k+ and }not test_gm03"
-ignore="${ignore-} --ignore=tests/test_iso_parsing.py"
-ignore="${ignore-} --ignore=tests/test_ows_interfaces.py"
-ignore="${ignore-} --ignore=tests/test_owscontext_atomxml.py"
-k="${k-}${k+ and }not test_decode_single_json"
-k="${k-}${k+ and }not test_load_parse"
-k="${k-}${k+ and }not test_decode_full_json"
-k="${k-}${k+ and }not test_load_bulk"
-ignore="${ignore-} --ignore=tests/test_remote_metadata.py"
-k="${k-}${k+ and }not TestOffline"
-ignore="${ignore-} --ignore=tests/test_wfs_generic.py"
-ignore="${ignore-} --ignore=tests/test_wms_datageo_130.py"
-ignore="${ignore-} --ignore=tests/test_wms_jpl_capabilities.py"
-k="${k-}${k+ and }not test_wps_getOperationByName"
-k="${k-}${k+ and }not test_wps_checkStatus"
-k="${k-}${k+ and }not test_wps_process_representation"
-k="${k-}${k+ and }not test_wps_process_properties"
-k="${k-}${k+ and }not test_wps_literal_data_input_parsing_references"
-k="${k-}${k+ and }not test_wps_response_with_lineage"
-ignore="${ignore-} --ignore=tests/test_wps_describeprocess_bbox.py"
-ignore="${ignore-} --ignore=tests/test_wps_describeprocess_ceda.py"
-ignore="${ignore-} --ignore=tests/test_wps_describeprocess_emu_all.py"
-ignore="${ignore-} --ignore=tests/test_wps_describeprocess_usgs.py"
-ignore="${ignore-} --ignore=tests/test_wps_execute.py"
-ignore="${ignore-} --ignore=tests/test_wps_execute_invalid_request.py"
-ignore="${ignore-} --ignore=tests/test_wps_getcapabilities_52n.py"
-ignore="${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-}${k+ and }not test_md_distribution"
+# There is a convenient “online” mark for deselecting tests that require
+# Internet access, but we still have to manually deselect doctests that try to
+# make network requests.
+k="${k-}${k+ and }not wms_geoserver_mass_gis.txt"
+k="${k-}${k+ and }not wfs_MapServerWFSFeature.txt"
+k="${k-}${k+ and }not wfs_MapServerWFSCapabilities.txt"
+k="${k-}${k+ and }not wfs2_storedqueries.txt"
+k="${k-}${k+ and }not wfs1_generic.txt"
+k="${k-}${k+ and }not wcs_thredds.txt"
+k="${k-}${k+ and }not test_wmts_example_informatievlaanderen"
 
-%pytest -m 'not online' -k "${k-}" ${ignore-} -v -rs
+# This is a trivial error where the representation of the expected TypeEror has
+# changed over time:
+# Differences (unified diff with -expected +actual):
+#     @@ -1,3 +1,6 @@
+#      Traceback (most recent call last):
+#     -...
+#     -TypeError: get_namespace() ...
+#     +  File "/usr/lib64/python3.10/doctest.py", line 1346, in __run
+#     +    exec(compile(example.source, filename, "single",
+#     +  File "<doctest namespaces.txt[15]>", line 1, in <module>
+#     +    ns.get_namespace()
+#     +TypeError: Namespaces.get_namespace() missing 1 required positional argument: 'key'
+k="${k-}${k+ and }not namespaces.txt"
+
+# Unknown problem—check if it is fixed in a later version:
+k="${k-}${k+ and } not (TestOffline and test_wfs_110_remotemd_parse_all)"
+k="${k-}${k+ and } not (TestOffline and test_wfs_110_remotemd_parse_single)"
+k="${k-}${k+ and } not (TestOffline and test_wfs_200_remotemd_parse_all)"
+k="${k-}${k+ and } not (TestOffline and test_wfs_200_remotemd_parse_single)"
+k="${k-}${k+ and } not (TestOffline and test_wms_130_remotemd_parse_all)"
+k="${k-}${k+ and } not (TestOffline and test_wms_130_remotemd_parse_single)"
+
+%pytest -m 'not online' -k "${k-}"
 
 
 %files -n python3-OWSLib -f %{pyproject_files}
-%doc README.md
+# pyproject_files handles LICENSE; verify with “rpm -qL -p …”
+
+%doc AUTHORS.rst
+%doc CHANGES.rst
+%doc README.rst
+
+
+%files doc
+%license LICENSE
+%doc examples
+%if %{with doc_pdf}
+%doc docs/build/latex/en/OWSLib.pdf
+%endif
 
 
 %changelog
diff --git a/sources b/sources
index da0ff49..fdb7ddf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (OWSLib-0.35.0-filtered.tar.zst) = be1eb52fa09049b720c1ebd476363e01c6442c9905c9adf0d35ccc11f39b228b9f3e64ed882a7c04987f2f38f9c8500a61aeef61e48a41602098ff22df0ed526
+SHA512 (OWSLib-0.21.0.tar.gz) = 3dc28bed9041fdcae63a0296cc96660788038d8f57fe131fca7906c58161917deb1b1a90050d434ea855b33385afdf0f84baaf3bdb94e7db8df6ccff180acc43