add (disabled) test for #309 #238

	name: Go
	on: [push, pull_request]
	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.18.x

	- name: Check out source code
	uses: actions/checkout@v3

	- name: Test
	run: go test -v . && go test -v ./ast && go test -v ./parser && go test -v ./html

	- name: Benchmark
	run: go test -run=^$ -bench=BenchmarkReference -benchmem

	# not compatible with examples directory and no way to exclude it (?)
	# - name: Staticcheck
	# uses: dominikh/staticcheck-action@v1.3.0
	# with:
	# version: "2022.1.3"

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