patch 8.2.4397: crash when using many composing characters in error message Commit: https://github.com/vim/vim/commit/34f8117dec685ace52cd9e578e2729db278163fc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 16 12:16:19 2022 +0000 patch 8.2.4397: crash when using many composing characters in error message Problem: Crash when using many composing characters in error message. Solution: Use mb_cptr2char_adv() instead of mb_ptr2char_adv().

#!/usr/bin/env python
#
# Server that will accept connections from a Vim channel.
# Used by test_channel.vim.
#
# This requires Python 2.6 or later.

from test_channel import main, ThreadedTCPServer
import socket

class ThreadedTCP6Server(ThreadedTCPServer):
    address_family = socket.AF_INET6

if __name__ == "__main__":
    main("::", 0, ThreadedTCP6Server)