commit https://github.com/vim/vim/commit/b54c3ff3174dbb5dfbfcabdf95200b047beaa644 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 31 14:11:58 2016 +0200 patch 7.4.2134 Problem: No error for using function() badly. Solution: Check for passing wrong function name. (Ken Takata)

#! /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