patch 8.2.3117: Vim9: type not properly checked in for loop Commit: https://github.com/vim/vim/commit/efc5db5215b4efc424b2de34613525d729a05c93 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 7 21:21:30 2021 +0200 patch 8.2.3117: Vim9: type not properly checked in for loop Problem: Vim9: type not properly checked in for loop. Solution: Have items() return a list of lists. Add runtime type checks. (closes #8515)

#!/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