TabToNextStop()
TabToNextStop(void)
TabToNextStop(){	register TScreen *screen = &term->screen;	int saved_column = screen->cur_col;	screen->cur_col = TabNext(term->tabs, screen->cur_col);	if (screen->cur_col > CurMaxCol(screen, screen->cur_row))		screen->cur_col = CurMaxCol(screen, screen->cur_row);	return (screen->cur_col > saved_column);}