patch 8.2.4181: Vim9: cannot use an import in 'diffexpr' Commit: https://github.com/vim/vim/commit/7b29f6a3949743914f08410b6f6bd6237c2f2038 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 22 17:58:13 2022 +0000 patch 8.2.4181: Vim9: cannot use an import in 'diffexpr' Problem: Vim9: cannot use an import in 'diffexpr'. Solution: Set the script context when evaluating 'diffexpr'. Do not require 'diffexpr' to return a bool, it was ignored anyway.

#! /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