patch 9.0.1279: display shows lines scrolled down erroneously Commit: https://github.com/vim/vim/commit/61fdbfa1e3c842252b701aec12f45839ca41ece5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 4 13:57:55 2023 +0000 patch 9.0.1279: display shows lines scrolled down erroneously Problem: Display shows lines scrolled down erroneously. (Yishai Lerner) Solution: Do not change "wl_lnum" at index zero. (closes https://github.com/vim/vim/issues/11938)

#!/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