commit https://github.com/vim/vim/commit/0b962473ddc7cee3cb45253dea273573bcca9bf9 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 22 22:51:33 2016 +0100 patch 7.4.1394 Problem: Can't sort inside a sort function. Solution: Use a struct to store the sort parameters. (Jacob Niehus)

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