patch 8.1.1399: popup windows not adjusted when switching tabs commit https://github.com/vim/vim/commit/ec58384afa0dc1678afd7b8d19b4645ac2f73f42 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 26 14:11:23 2019 +0200 patch 8.1.1399: popup windows not adjusted when switching tabs Problem: Popup windows not adjusted when switching tabs. Solution: Save and restore first_tab_popupwin. Fix closing a tabpage.

#! /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