Adds a Gihub Actions workflow to test for XML encoding errors #8

	---

	name: Quality Assurance

	on:
	pull_request:
	push:
	branches: master

	jobs:

	parse-xml:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	- run: pip install lxml
	- uses: jannekem/run-python-script-action@v1
	with:
	script: \|
	from pathlib import Path
	from lxml.etree import parse, XMLSyntaxError

	encountered_errors = []
	root_path = Path.cwd()

	for file in root_path.rglob("*.xml"):
	try:
	parse(str(file))
	except XMLSyntaxError as e:
	encountered_errors.append(f"{file.relative_to(root_path)}: {e.msg}")

	if encountered_errors:
	print("\nInvalid XML encodings were found:")
	print("---------------------------------")
	print("\n".join(encountered_errors) + "\n")
	raise SystemExit(1)

	...

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