update file header #132

	name: Automated testing

	on:
	push:
	pull_request:
	branches:
	- main

	jobs:
	l3build:
	runs-on: ubuntu-latest
	steps:
	# Boilerplate
	- name: Checkout repository
	uses: actions/checkout@v3
	# GitHub Actions don't regenerate the test if the key doesn't change, so
	# we integrate a random UUID into the key to keep them different.
	# DO NOT CHANGE THIS
	- name: Generate unique ID
	id: get-id
	run: \|
	echo "id=$(cat /proc/sys/kernel/random/uuid)" >> $GITHUB_STATE
	# Actually load the cache. Since we never reuse the key, we need restore-keys
	# to indicate the prefix of our caches. This loads the newest cache with this
	# prefix in the key.
	#
	# If we want to force regeneration of the cache, increase the number after
	# both instances of "texlive-v"
	- name: Load cache
	uses: actions/cache@v3
	with:
	path: ~/texlive
	key: texlive-v1-${{ steps.get-id.outputs.id }}
	restore-keys: texlive-v1-
	# We need Ghostscript for XeTeX tests.
	- run: sudo apt-get update && sudo apt-get install ghostscript
	- name: Install TeX Live
	uses: zauguin/install-texlive@v1
	with:
	# List the required TeX Live packages in a separate file to allow reuse in
	# different workflows.
	package_file: .github/tl_packages
	- name: Run l3build
	run: l3build ctan -q -H --show-log-on-error

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