[Bug 19803] "Fingerprint" is unclear

https://www.w3.org/Bugs/Public/show_bug.cgi?id=19803

Jussi Kalliokoski <jussi.kalliokoski@gmail.com> changed:

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                 CC|                            |jussi.kalliokoski@gmail.com

--- Comment #1 from Jussi Kalliokoski <jussi.kalliokoski@gmail.com> ---
(In reply to comment #0)
> The "should" description of fingerprint makes it unreliable, and it is not
> clear how it might fail.

Yeah, at least AFAICT there's no way of actually guaranteeing that the
reliability of the fingerprint. IIRC on Windows XP you don't even have access
to the names of USB MIDI devices. And even when you do, it's really hard to
determine that if the user has 2 pieces of the same MIDI device, which one is
plugged. Hence it's not a hard requirement that the fingerprint stays the same
for that certain port, because it might not be possible to achieve, but it's
still better than nothing and very useful for example for DAW software, because
it can be made to work most of the time.

Maybe we should add a note to the spec describing the rationale here?

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Received on Thursday, 1 November 2012 10:04:47 UTC