Fix mmap error when reading empty file during resume check on Linux #3308

	name: Documentation

	on:
	push:
	branches: [ RC_1_2 RC_2_0 master ]
	pull_request:

	concurrency:
	group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}
	cancel-in-progress: true

	jobs:

	docs:
	name: Docs
	runs-on: ubuntu-20.04

	steps:
	- name: checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 1
	filter: tree:0

	- name: update package lists
	continue-on-error: true
	run: \|
	sudo apt update

	- name: install dependencies
	run: \|
	sudo apt install python-docutils python-pygments python-pil gsfonts inkscape icoutils graphviz hunspell imagemagick
	python -m pip install aafigure
	~/.local/bin/aafigure --version

	- name: spell-check
	run: \|
	cd docs
	make AAFIGURE=~/.local/bin/aafigure RST2HTML=rst2html spell-check html

	- name: build docs
	run: \|
	cd docs
	make AAFIGURE=~/.local/bin/aafigure RST2HTML=rst2html

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