patch 8.2.4459: Vim9: compiling sort() call fails with unknown arguments Commit: https://github.com/vim/vim/commit/fa02616718103be3f9e13e26d57905d4eddf836d Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 23 21:03:32 2022 +0000 patch 8.2.4459: Vim9: compiling sort() call fails with unknown arguments Problem: Vim9: compiling sort() call fails with a funcref that has unknown arguments. Solution: Do not check the arguments if they are unknown at compile time. (closes #9835)

#!/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