standardize_formula: parse super and subscripts in ion formulae #148

	name: Post-merge

	# triggered when PRs are merged into main branch
	on:
	pull_request:
	branches:
	- main
	types:
	- closed

	jobs:
	lint:
	if: github.event.pull_request.merged == true
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 1
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11
	cache: pip
	- name: Run pre-commit
	run: \|
	pip install pre-commit
	pre-commit run

	test-comprehensive:
	needs: lint
	strategy:
	max-parallel: 6
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	os:
	- ubuntu-latest
	- macos-latest
	- windows-latest
	- macos-14
	exclude:
	- os: macos-14
	python-version: "3.9"
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}${{ matrix.dev }}
	- name: Install test requirements
	run: \|
	python -m pip install --upgrade pip
	pip install -e ".[testing]"
	- name: Run tests
	run: \|
	pytest -n auto --cov=src/pyEQL --cov-report=xml
	- uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: ./coverage.xml

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