patch 8.2.3571: some unicode control characters are considered printable Commit: https://github.com/vim/vim/commit/e2f66064d1c643f0cf12c4791de04bb123705a0c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 2 20:24:38 2021 +0000 patch 8.2.3571: some unicode control characters are considered printable Problem: Some unicode control characters are considered printable. Solution: Make 0x2060 - 0x2069 not printable.

#!/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