patch 8.2.3104: Vim9: unspecified function type causes type error Commit: https://github.com/vim/vim/commit/b7480cd8931fa1696265f75c7d4d9fdf0be69e12 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 4 18:28:15 2021 +0200 patch 8.2.3104: Vim9: unspecified function type causes type error Problem: Vim9: unspecified function type causes type error. Solution: Don't check type when min_argcount is negative. (issue https://github.com/vim/vim/issues/8492)

#!/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