first commit

fn/-z4h-set-term-title

@@ -0,0 +1,14 @@
+#!/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