Fix for combining diacritics #132

	name: Build font

	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- uses: actions/checkout@v4

	- name: Log in to GitHub Container Registry
	if: github.event_name == 'push'
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Build (and push on master) Docker image
	uses: docker/build-push-action@v6
	with:
	context: xkcd-script/generator
	load: true
	push: ${{ github.event_name == 'push' }}
	tags: ghcr.io/ipython/xkcd-font:fontbuilder
	cache-from: type=gha
	cache-to: type=gha,mode=max

	- name: Generate font
	run: FONTBUILDER_IMAGE=ghcr.io/ipython/xkcd-font:fontbuilder xkcd-script/generator/run.sh

	- name: Generate samples
	run: xkcd-script/samples/preview.sh

	- name: Upload generated artifacts
	uses: actions/upload-artifact@v4
	if: always()
	with:
	name: xkcd-script-font
	path: \|
	xkcd-script/font/xkcd-script.otf
	xkcd-script/font/xkcd-script.ttf
	xkcd-script/font/xkcd-script.woff
	xkcd-script/font/xkcd-script.sfd
	xkcd-script/samples/ipsum.png
	xkcd-script/samples/handwriting.png
	xkcd-script/samples/kerning.png

	- name: Check generated files match committed files
	run: \|
	git diff --exit-code xkcd-script/font/ xkcd-script/samples/ \|\| {
	echo ""
	echo "Generated files differ from committed files."
	echo "Download the 'xkcd-script-font' artifact from this run and commit the updated files."
	exit 1
	}

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