p4raw-id: //depot/perl@20935
$b = "\x{100}";
print "$a = $b\n";
-the output string will be UTF-8-encoded C<ab\x80c\x{100}\n>, but note
-that C<$a> will stay byte-encoded.
+the output string will be UTF-8-encoded C<ab\x80c = \x{100}\n>, but
+C<$a> will stay byte-encoded.
Sometimes you might really need to know the byte length of a string
instead of the character length. For that use either the