numberlist fixes #54

	name: Tests
	on:
	pull_request:
	push:
	branches: [ master ]

	jobs:
	linkcheck:
	name: "Link check"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: install sphinx
	run: pip install sphinx docutils==0.16
	# docutils should be < 0.17 for correct rendering. see https://stackoverflow.com/questions/67542699/readthedocs-sphinx-not-rendering-bullet-list-from-rst-file


	- name: install graphviz
	run: sudo apt install graphviz

	- name: Run linkcheck
	run: make linkcheck

	- name: Run build
	env:
	SPHINXOPTS: "-W --keep-going -n"
	run: make

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