commit https://github.com/vim/vim/commit/7c0a2f367f2507669560b1a66423155c70d2e75b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 10 22:11:16 2016 +0200 patch 7.4.2024 Problem: More buf_valid() calls can be optimized. Solution: Use bufref_valid() instead.

#!/bin/sh
# enable DEC locator input model on remote terminal
printf  "\033[1;2'z\033[1;3'{\c"
vim "$@"
# disable DEC locator input model on remote terminal
printf  "\033[2;4'{\033[0'z\c"