patch 9.0.0623: error for modifying a const is not detected at compile time Commit: https://github.com/vim/vim/commit/fa1039760e8c1a0c7a2a722160bd3d71a4736e61 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 29 19:14:42 2022 +0100 patch 9.0.0623: error for modifying a const is not detected at compile time Problem: Error for modifying a const is not detected at compile time. Solution: Add TTFLAG_CONST and check for it in add() and extend().

#!/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)