fix typo found by yh36 #60

	name: Compile LaTeX and Upload PDFs

	on: [push]

	jobs:
	build_latex:
	runs-on: ubuntu-latest
	steps:
	- name: Set up Git repository
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	# https://github.com/actions/cache#creating-a-cache-key
	# http://man7.org/linux/man-pages/man1/date.1.html
	- name: Get date
	id: get-date
	run: \|
	echo "::set-output name=date::$(/bin/date -u "+%Y%m%d")"
	shell: bash

	- name: Cache
	uses: actions/cache@v2.1.3
	with:
	# A list of files, directories, and wildcard patterns to cache and restore
	path: \|
	*/.aux
	*/.pdf
	*/.pdfsync
	*/.log
	*/.out
	*/.gz
	*/.bbl
	*/.blg
	*/.lox
	*/.rel
	*/.thm
	*/.nav
	*/.snm
	*/.toc
	*/.tar
	*/.fls
	*/.brf
	*/.fdb_latexmk
	key: ${{ runner.os }}-${{ steps.get-date.outputs.date }}

	- name: Compile LaTeX documents
	uses: xu-cheng/latex-action@v2
	with:
	working_directory: "src/"
	root_file: "*.tex"
	glob_root_file: true

	- name: Move PDF files and commit them
	run: \|
	mv src/*.pdf .
	git config --local user.email "test@github.com"
	git config --local user.name "GitHub Action [bot]"
	git add -f "*.pdf"
	git commit -m "auto-update PDF files"

	- name: Push changes
	uses: ad-m/github-push-action@master
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	force: true

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