patch 8.2.3744: E854 is not tested; some spelling suggestions are not tested Commit: https://github.com/vim/vim/commit/f645ee47c85940d05f492a1b3932fbcdfd4204b3 Author: Dominique Pelle <dominique.pelle@gmail.com> Date: Sun Dec 5 13:21:18 2021 +0000 patch 8.2.3744: E854 is not tested; some spelling suggestions are not tested Problem: E854 is not tested; some spelling suggestions are not tested. Solution: Add a couple of tests. (Dominique Pell?, closes https://github.com/vim/vim/issues/9279)

/*
 * 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;
}