Yes, it would apply to all playlists - which is why I found it hard to think of a good, unobtrusive indicator. I thought of using a different highlight (say, invert item instead of giving it a grey background), and also of having an icon somewhere on the screen, but nothing seemed very satisfactory to me.
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Toby Speight
030103016 (80GB Mk2a, blue)
030102806 (0GB Mk2a, blue)