patch 9.0.0877: using freed memory with :comclear while listing commands Commit: https://github.com/vim/vim/commit/cf2594fbf34d9a6776bd9d33f845cb8ceb1e1cd0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 13 23:30:06 2022 +0000 patch 9.0.0877: using freed memory with :comclear while listing commands Problem: Using freed memory with :comclear while listing commands. Solution: Bail out when the command list has changed. (closes https://github.com/vim/vim/issues/11440)

#!/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