commit https://github.com/vim/vim/commit/d22e9465f6228207a4fe722ee84371c7817060d6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 17:43:55 2016 +0100 patch 7.4.1574 Problem: ":undo 0" does not work. (Florent Fayolle) Solution: Make it undo all the way. (closes https://github.com/vim/vim/issues/688)

#! /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