}
	if err := scanner.Err(); err != nil {
		fmt.Fprintln(os.Stderr, "shouldn't see an error scanning a string")
	}
	// Output:
	// true
}

// Use a Scanner to implement a simple word-count utility by scanning the
// input as a sequence of space-delimited tokens.
func ExampleScanner_words() {
	// An artificial input source.

	//	{
	//		outcode(int($1), &$2, int($4.Reg), &$6);
	//	}
	ADDD	F1, F2, F3

	//	LFCMP freg ',' freg
	//	{
	//		outcode(int($1), &$2, 0, &$4);
	//	}
	CMPEQD	F1, F2


	//
	// WORD
	//
	WORD	$1

	//
	// NOP
	//
	//	LNOP comma // asm doesn't support the trailing comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &nullgen);
	//	}
	NOP