commit https://github.com/vim/vim/commit/cf2d8dee5117b9add3a3f5fc91b3569437e7d359 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 28 21:04:37 2016 +0200 patch 7.4.1674 Problem: The editexisting plugin has to be copied or sourced to be used. Solution: Turn it into a package.

start:
test for empty string: ok
test for 1 char: ok
test for 3 chars: ok
test for contains meta char: ok
test for contains non-ascii char: ok