21.0.0: sphinx warnings

+ /usr/bin/python3 setup.py build_sphinx -b man --build-dir build/sphinx
running build_sphinx
Running Sphinx v4.2.0
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==== 29 modules ==== 85 types ==== 170 funcs ====
making output directory... done
WARNING: html_static_path entry '_static' does not exist
[autosummary] generating autosummary for: architecture.rst, cacheutils.rst, debugutils.rst, dictutils.rst, ecoutils.rst, fileutils.rst, formatutils.rst, funcutils.rst, gcutils.rst, index.rst, ..., queueutils.rst, setutils.rst, socketutils.rst, statsutils.rst, strutils.rst, tableutils.rst, tbutils.rst, timeutils.rst, typeutils.rst, urlutils.rst
loading intersphinx inventory from https://docs.python.org/objects.inv...
intersphinx inventory has moved: https://docs.python.org/objects.inv -> https://docs.python.org/3/objects.inv
building [mo]: targets for 0 po files that are out of date
building [man]: all manpages
updating environment: [new config] 28 added, 0 changed, 0 removed
reading sources... [100%] urlutils
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/fileutils.py:docstring of boltons.fileutils.atomic_rename:1: WARNING: Inline emphasis start-string without end-string.
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/docs/index.rst:2: WARNING: Explicit markup ends without a blank line; unexpected unindent.
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/setutils.py:docstring of boltons.setutils.complement:10: WARNING: Inconsistent literal block quoting.
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/setutils.py:docstring of boltons.setutils.complement:41: WARNING: Unexpected section title.

Complement sets by example
^^^^^^^^^^^^^^^^^^^^^^^^^^
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/timeutils.py:docstring of boltons.timeutils.isoparse:20: WARNING: Duplicate explicit target name: "dateutil".
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/docs/timeutils.rst:43: WARNING: Duplicate explicit target name: "dateutil".
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/timeutils.py:docstring of boltons.timeutils:13: WARNING: Duplicate target name, cannot be used as a unique reference: "dateutil".
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/boltons/timeutils.py:docstring of boltons.timeutils.isoparse:15: WARNING: Duplicate target name, cannot be used as a unique reference: "dateutil".
/home/tkloczko/rpmbuild/BUILD/boltons-21.0.0/docs/timeutils.rst:39: WARNING: Duplicate target name, cannot be used as a unique reference: "dateutil".
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-boltons.3 { architecture cacheutils debugutils dictutils ecoutils fileutils formatutils funcutils gcutils ioutils iterutils jsonutils listutils mathutils mboxutils namedutils pathutils queueutils setutils socketutils statsutils strutils tableutils tbutils timeutils typeutils urlutils } done
build succeeded, 10 warnings.