[vorbis] (Classical) Request for Standardization of expanded TAGS

Beni Cherniavksy cben at techunix.technion.ac.il
Sun Dec 16 03:11:09 PST 2001



On 2001-12-13, Craig Dickson wrote:

> Jon Shiring wrote:
>
> > My apologies for pinning you with things you don't endorse, that was poor
> > of me.  You make good points, but I think RELEASEDATE would logically be
> > the date it was first released.  Or we could make some policy decision that
> > if more than one album is listed, the RELEASEDATE and TRACK apply to the
> > first album.  We can make a policy that allows for both.
>
> Then you are assuming that the order in which tags are listed is
> significant. I'm not sure that's in the standard, or that it should be.

The order is significant among tags of same name but insignificant among
tags of different names:

A=foo
B=bar
A=quux

is equivallent to

B=bar
A=foo
A=quux

but is different from

B=bar
A=quux
A=foo

In other words, tags form an associative mapping from tag names to ordered
tuples of values:

{ A -> ["foo", "quux"],
  B -> ["bar"] }          # (perl notation, if I remembered it right :)


-- 
Beni Cherniavsky <cben at tx.technion.ac.il>
                 (also scben at t2 in Technion)

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