updated for version 7.4.631 Problem: The default conceal character is documented to be a space but it's initially a dash. (Christian Brabandt) Solution: Make the intial value a space.

#!/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"