patch 9.0.0618: calling function for reduce() has too much overhead Commit: https://github.com/vim/vim/commit/82418263fa91792e851cb0de879d1595327d5531 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 28 16:16:15 2022 +0100 patch 9.0.0618: calling function for reduce() has too much overhead Problem: Calling function for reduce() has too much overhead. Solution: Do not create a funccall_T every time.

#!/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