patch 8.2.3091: Vim9: default argument expr. cannot use previous argument Commit: https://github.com/vim/vim/commit/e28d9b3bd4de2c7288add83ec35dc001ba280617 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 3 18:56:53 2021 +0200 patch 8.2.3091: Vim9: default argument expr. cannot use previous argument Problem: Vim9: default argument expression cannot use previous argument Solution: Correct argument index. (closes https://github.com/vim/vim/issues/8496)

#! /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