patch 8.1.1612: cannot show an existing buffer in a popup window commit https://github.com/vim/vim/commit/5b8cfedfbd19a71a30c73cf44b0aec3da7fc1a24 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 30 22:16:10 2019 +0200 patch 8.1.1612: cannot show an existing buffer in a popup window Problem: Cannot show an existing buffer in a popup window. Solution: Support buffer number argument in popup_create().

#!/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