patch 8.2.4997: Python: changing hidden buffer can cause display mess up Commit: https://github.com/vim/vim/commit/37233f6022b3ed16985a91d22752b3ca162e21d0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 22 12:23:48 2022 +0100 patch 8.2.4997: Python: changing hidden buffer can cause display mess up Problem: Python: changing hidden buffer can cause the display to be messed up. Solution: Do not mark changed lines when using another buffer. (Paul Ollis, closes #10437, closes #7972)

/*
 * An extremely simple program to make the cursor blink in an xterm.
 * This is useful when the cursor is hard to spot in a highlighted file.
 * Start in the background: "blink&"  Stop by killing it.
 * Bram Moolenaar  980109  (based on an idea from John Lange).
 */

#include <stdio.h>
#include <unistd.h>

	int
main(void)
{
	while (1)
	{
		printf("\e[?25h");
		fflush(stdout);
		usleep(400000);		/* on time */
		printf("\e[?25l");
		fflush(stdout);
		usleep(250000);		/* off time */
	}
	return 0;
}