docs: Warnings as errors

Author: jmgate

.github/workflows/continuous-integration.yml

@@ -48,11 +48,11 @@ jobs:
       #     CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Check documentation spelling
-        run: make spelling
+        run: make spelling SPHINXOPTS="-W --keep-going"
         working-directory: ./doc
 
       - name: Check documentation coverage
-        run: make coverage
+        run: make coverage SPHINXOPTS="-W --keep-going"
         working-directory: ./doc
 
       - name: Archive documentation coverage results

doc/make-html.bash

@@ -7,5 +7,5 @@ python3 -m pip uninstall -y shell-logger
 cd ..
 python3 -m pip install .
 cd "${SCRIPT_DIR}" || exit 1
-make html
+make html SPHINXOPTS="-W --keep-going"
 cd "${ORIG_DIR}" || exit 1