C++ front-end: support constexpr #1670

	name: Publish CBMC documentation
	on: [push, pull_request]

	jobs:
	# This job takes approximately 3 minutes
	publish:
	# Note that the versions used for this `publish` job should be kept in sync
	# with the `check-doxygen` job.
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Install doxygen
	run: \|
	sudo apt update
	sudo apt install doxygen graphviz pandoc npm

	- name: Install python modules
	run: sudo python3 -m pip install gitpython pandocfilters

	- name: Install mermaid diagram filter
	run: \|
	git clone https://github.com/raghur/mermaid-filter/
	cd mermaid-filter
	sed -i '1s/{/{ "overrides": { "puppeteer": "^21" },/' package.json
	sed -i '1s/^\/\/ //' index.js
	npm install --loglevel verbose
	sudo npm link --loglevel verbose
	cd ..

	- name: Build documentation
	run: cd doc/doxygen-root && make && touch html/.nojekyll

	- name: Publish documentation
	if: ${{ github.event_name == 'push' && startsWith('refs/heads/develop', github.ref) }}
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	branch: gh-pages
	folder: doc/doxygen-root/html

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