Re: [urn] Comments on draft-ietf-urnbis-rfc3187bis-isbn-urn-01

[SM <[e-mail]>]

Hi Juha,
At 22:14 19-10-2011, Juha Hakala wrote:
>As the author of the text, it was not clear to me where to draw the 
>line. The current

If I do not agree with the text you wrote, the practice is that I 
should suggest alternate text. :-)

>  version of RFC3187bis makes it as explicit as possible that in the 
> URN:ISBN namespace, every URN must conform to the ISO 2108. That 
> is, every namespace specific string must be an ISBN; nothing more, 
> nothing less. In addition, I have included some ISBN rules of 
> assignment into the draft as MUSTs.

If you spell out things clearly, as you did above, it is easier for the reader.

>But I have no problem changing the draft so that the normative 
>language is only used in the way Larry suggests. Detailed guidance 
>on how to use ISBNs in the URN system can be produced separately, 
>for instance in co-operation with the ISBN international centre.

I haven't looked into this.  I suggest taking up the matter with the 
WG chairs and see what they would like to do.

Regards,
-sm