commit https://github.com/vim/vim/commit/1436d8d51cce114be56209924fc71376407e5bad Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 11 22:41:15 2016 +0200 patch 7.4.2026 Problem: Reference counting for callbacks isn't right. Solution: Add free_callback(). (Ken Takata) Fix reference count.

#! /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