patch 8.2.2425: cursor on invalid line with range and :substitute Commit: https://github.com/vim/vim/commit/df2c2988bbaecd28b0fbec8d64327b1bbb005e19 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 28 20:18:08 2021 +0100 patch 8.2.2425: cursor on invalid line with range and :substitute Problem: Cursor on invalid line with range and :substitute. Solution: Do not move the cursor when skipping commands. (closes https://github.com/vim/vim/issues/3434)

#!/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)