Fix syntax tests fail cause of bundled markdown #110

	name: Vader
	on: [push, pull_request]
	jobs:
	vader:
	name: vader
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	vimFlavor: ["vim", "nvim"]
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Enable Universe package repository
	run: \|
	sudo add-apt-repository universe
	sudo apt-get update
	- name: Install ${{ matrix.vimFlavor }}
	run: \|
	sudo apt-get install ${{ matrix.vimFlavor == 'nvim' && 'neovim' \|\| 'vim' }}
	- name: Review versions
	run: \|
	${{ matrix.vimFlavor }} --version
	- name: Fetch Vader and other dependencies
	run: \|
	make build/tabular build/vim-toml build/vim-json build/vader.vim
	- name: Run test suite
	run: \|
	cd test
	${{ matrix.vimFlavor == 'nvim' && 'nvim --headless' \|\| 'vim -N' }} \
	-u vimrc "+Vader! *"

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