Re: draft-jennings-impp-vcard-07

[Julian Reschke <julian.reschke at gmx.de>]

Brian,

first of all thanks for the feedback.

Brian Suda schrieb:
> I do have a few concerns about the DRAFT recommendation and some
> suggestions on fixes.
>
> The example in the document has the following:
> IMPP;TYPE=personal,pref:im:alice at example.com
>
> The use of the : (Colon) as a separator should only be used between
> the property and the value. Older applications that currently parse
> vCards are probably "splitting" on the first : (colon) and in this
> instance would extract a value of "im:alice at example.com" when in fact
> this is not the case. Older vCard parsers would have to be updated to
> prevent breaking. This could be avoided by simply using only one :
> (colon) to separate the property from the value and the example be
> changed to something like:
>
> IMPP;TYPE=personal,pref;PP=im:alice at example.com
>
> What this also allows is the ability to make PP extensible. At the
> moment this is an enumerated list of values. This could be changed to
> an enumerated list plus, "iana-token / x-name;"

You say a parser that splits at the first colon would *incorrectly* 
extract a value of "im:alice at example.com". Well, that *is* the IMPP URI, 
so what exactly is the problem? (Note that the "im" URI scheme is 
defined <http://tools.ietf.org/html/rfc3860#page-10>).

> ...

Best regards, Julian

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