patch 8.1.1714: cannot preview a file in a popup window commit https://github.com/vim/vim/commit/7964873afe59d0896a921b7c585167674bb784d5 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 18 21:43:07 2019 +0200 patch 8.1.1714: cannot preview a file in a popup window Problem: Cannot preview a file in a popup window. Solution: Add the 'previewpopup' option.

#! /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