Changes the current position to the same column of the next line when possible. If the current line is the last one, goes to the end of file. If the current position is the end of file position, does nothing. If the length of the next line is shorter than the length of the current line, goes to the end of the next line. The column is the nth character of the line (Note that a tab counts 1, not 8). Its definition is equivalent to: