patch 8.2.1308: Vim9: accidentally using "x" causes Vim to exit Commit: https://github.com/vim/vim/commit/ae616494d77e9930da703d65d12ac0abf6dc425f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 28 20:07:27 2020 +0200 patch 8.2.1308: Vim9: accidentally using "x" causes Vim to exit Problem: Vim9: accidentally using "x" causes Vim to exit. Solution: Disallow using ":x" or "xit" in Vim9 script. (closes https://github.com/vim/vim/issues/6399)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done