patch 8.2.3720: Vim9: Internal error when invoking closure in legacy context Commit: https://github.com/vim/vim/commit/69c76171f1a78b829196f72d7010fbe1d9ad2944 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 2 16:38:52 2021 +0000 patch 8.2.3720: Vim9: Internal error when invoking closure in legacy context Problem: Vim9: Internal error when invoking closure in legacy context. Solution: Give a more appropriate error message. (closes https://github.com/vim/vim/issues/9251)

#!/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