Fix Sphynx errors in the documentation

.github/workflows/doc.yml

@@ -36,7 +36,7 @@ jobs:
     - name: 'Install build dependencies'
       run: make -C Doc/ PYTHON=../python venv
     - name: 'Build documentation'
-      run: xvfb-run make -C Doc/ PYTHON=../python SPHINXOPTS="-q -W --keep-going -j4" doctest html
+      run: xvfb-run make -C Doc/ PYTHON=../python SPHINXOPTS="-q -W --keep-going -j4" doctest html suspicious
     - name: 'Upload'
       uses: actions/upload-artifact@v2.2.2
       with:

.travis.yml

@@ -53,7 +53,7 @@ matrix:
         - cd Doc
         - make venv PYTHON=python
       script:
-        - make check html SPHINXOPTS="-q -W -j4"
+        - make check html suspicious SPHINXOPTS="-q -W -j4"
     - name: "Documentation tests"
       os: linux
       language: c

Doc/c-api/init_config.rst

@@ -831,7 +831,7 @@ PyConfig
       Set by the :envvar:`PYTHONPLATLIBDIR` environment variable.
 
       Default: value of the ``PLATLIBDIR`` macro which is set by the
-      :option`configure --with-platlibdir option <--with-platlibdir>` (default:
+      :option:`configure --with-platlibdir option <--with-platlibdir>` (default:
       ``"lib"``).
 
       Part of the :ref:`Python Path Configuration <init-path-config>` input.

Doc/tools/susp-ignored.csv

@@ -365,3 +365,4 @@ whatsnew/changelog,,::,default::DeprecationWarning
 library/importlib.metadata,,:main,"EntryPoint(name='wheel', value='wheel.cli:main', group='console_scripts')"
 library/importlib.metadata,,`,loading the metadata for packages for the indicated ``context``.
 library/re,,`,"`"
+using/configure,84,:db2,=db1:db2:...