Fixed docs build on Sphinx 8.1+. #364

	name: Docs

	on:
	pull_request:
	paths:
	- 'docs/**'
	- '.github/workflows/docs.yml'
	push:
	branches:
	- main
	paths:
	- 'docs/**'
	- '.github/workflows/docs.yml'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	permissions:
	contents: read

	jobs:
	docs:
	# OS must be the same as on djangoproject.com.
	runs-on: ubuntu-20.04
	name: docs
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.13'
	cache: 'pip'
	cache-dependency-path: 'docs/requirements.txt'
	- run: python -m pip install -r docs/requirements.txt
	- name: Build docs
	run: \|
	cd docs
	sphinx-build -b spelling -n -q -W --keep-going -d _build/doctrees -D language=en_US -j auto . _build/spelling

	blacken-docs:
	runs-on: ubuntu-latest
	name: blacken-docs
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.13'
	- run: python -m pip install blacken-docs
	- name: Build docs
	run: \|
	cd docs
	make black
	RESULT=`cat _build/black/output.txt`
	if [ "$RESULT" -gt 0 ]; then
	echo "💥 📢 Code blocks in documentation must be reformatted with blacken-docs 📢 💥"
	fi;
	exit $RESULT

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