polymer represent wdgraph elaborated (#4088) #135

	name: Test for documents
	on:
	push: # ci work when pushing master branch
	branches:
	- master
	pull_request: # ci work when creating a PR to master branch
	branches:
	- master
	jobs:
	docs-build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.9', '3.11']
	steps:
	- name: Maximize build space
	if: runner.os == 'ubuntu-latest'
	run: \|
	sudo rm -rf /usr/share/dotnet
	sudo rm -rf /opt/ghc
	sudo rm -rf "/usr/local/share/boost"
	sudo rm -rf "$AGENT_TOOLSDIRECTORY"
	sudo rm -rf /usr/local/lib/android
	- uses: actions/checkout@v4
	- name: Cache pip packages for Linux
	uses: actions/cache@v4
	# use cached dependencies to speed up workflow
	# ref: https://docs.github.com/en/actions/advanced-guides/caching-dependencies-to-speed-up-workflows
	with:
	path: ~/.cache/pip
	# the key is used to search for cache
	# hashFile(paths) return a single hash for the set of files that matches the path pattern
	key: ${{ runner.os }}-pip-${{ hashFiles('//docs/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies (docs)
	shell: bash -l {0}
	working-directory: ./docs
	run: pip install -r requirements.txt
	- name: Build docs
	shell: bash -l {0}
	working-directory: ./docs
	run: make clean html
	- name: DocTest (Tutorials)
	shell: bash -l {0}
	working-directory: ./docs
	run: make doctest_tutorials
	- name: DocTest (Examples)
	shell: bash -l {0}
	working-directory: ./docs
	run: make doctest_examples

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