commit https://github.com/vim/vim/commit/b62cc36a600e2e1e5a1d1d484fef89898c847c4c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 3 16:43:53 2016 +0200 patch 7.4.2313 Problem: Crash when deleting an augroup and listing an autocommand. (Dominique Pelle) Solution: Make sure deleted_augroup is valid.

#! /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