PEP 751: provide explanation for why `path` and `url` are optional #5677

	name: Render PEPs

	on: [push, pull_request, workflow_dispatch]

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	env:
	FORCE_COLOR: 1

	jobs:
	render-peps:
	name: Render PEPs
	runs-on: ubuntu-latest
	permissions:
	contents: write
	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.x"
	- "3.13-dev"

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # fetch all history so that last modified date-times are accurate

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip

	- name: Update pip
	run: \|
	python -m pip install --upgrade pip

	- name: Render PEPs
	run: make dirhtml JOBS=$(nproc)

	# remove the .doctrees folder when building for deployment as it takes two thirds of disk space
	- name: Clean up files
	run: rm -r build/.doctrees/

	- name: Deploy to GitHub pages
	# This allows CI to build branches for testing
	if: (github.ref == 'refs/heads/main') && (matrix.python-version == '3.x')
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: build # Synchronise with Makefile -> BUILDDIR
	single-commit: true # Delete existing files

	- name: Purge CDN cache
	if: github.ref == 'refs/heads/main'
	run: \|
	curl -H "Accept: application/json" -H "Fastly-Key: $FASTLY_TOKEN" -X POST "https://api.fastly.com/service/$FASTLY_SERVICE_ID/purge_all"
	env:
	FASTLY_TOKEN: ${{ secrets.FASTLY_TOKEN }}
	FASTLY_SERVICE_ID: ${{ secrets.FASTLY_SERVICE_ID }}

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