patch 8.2.4106: going over the end of the w_lines array Commit: https://github.com/vim/vim/commit/fa1a45705995f16ee7e69434c772107a3ddeeebd Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 16 11:42:20 2022 +0000 patch 8.2.4106: going over the end of the w_lines array Problem: Going over the end of the w_lines array. Solution: Break out of the loop when "idx" is too big. (issue https://github.com/vim/vim/issues/9540)

#!/bin/bash
set -e

apt-get install -y xvfb

cat <<EOT >/etc/systemd/system/xvfb.service
[Unit]
Description=X Virtual Frame Buffer Service
After=network.target
[Service]
ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24
[Install]
WantedBy=multi-user.target
EOT

systemctl enable xvfb.service
systemctl start xvfb.service