patch 8.2.3656: Vim9: no error for an evironment variable by itself Commit: https://github.com/vim/vim/commit/65259b5c6a8ad4edaf6eeb8dbb7b50342c64d403 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 23 14:52:06 2021 +0000 patch 8.2.3656: Vim9: no error for an evironment variable by itself Problem: Vim9: no error for an evironment variable by itself. Solution: Give a "without effect" error. (closes https://github.com/vim/vim/issues/9166)

#! /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