patch 8.2.1905: the wininfo list may contain stale entries Commit: https://github.com/vim/vim/commit/4882d983397057ea91c584c5a54aaccf15016d18 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 25 17:55:09 2020 +0100 patch 8.2.1905: the wininfo list may contain stale entries Problem: The wininfo list may contain stale entries. Solution: When closing a window remove any other entry where the window pointer is NULL.

#! /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