#!/usr/bin/env zsh

emulate -L zsh -o no_prompt_bang -o prompt_subst -o prompt_percent

local title=$1
shift
print -Prnv title -- $title
printf -v title '\e]0;%s\a' "${(V)title}"

if [[ -t 1 ]]; then
  print -rn -- $title
elif [[ -v _z4h_tty_fd ]]; then
  print -rnu $_z4h_tty_fd -- $title
fi