patch 8.2.4941: '[ and '] marks may be wrong after undo Commit: https://github.com/vim/vim/commit/82444cefa3fef87624a078ea86a72af7ef4ef42e Author: LemonBoy <thatlemon@gmail.com> Date: Thu May 12 15:39:31 2022 +0100 patch 8.2.4941: '[ and '] marks may be wrong after undo Problem: '[ and '] marks may be wrong after undo. Solution: Adjust the '[ and '] marks if needed. (closes https://github.com/vim/vim/issues/10407, closes https://github.com/vim/vim/issues/1281)

#!/usr/bin/python
#
# Program that writes a number to stdout repeatedly
#
# This requires Python 2.6 or later.

from __future__ import print_function
import sys
import time

if __name__ == "__main__":

    done = 0
    while done < 10:
        done = done + 1
        print(done)
        sys.stdout.flush()
        time.sleep(0.05)  # sleep 50 msec