updated for version 7.4.028 Problem: Equivalence classes are not working for multi-byte characters. Solution: Copy the rules from the old to the new regexp engine. Add a test to check both engines.

#!/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"