Hi Bill,

On 26.06.24 15:45, Carroll, William wrote:
Hi Pawel,

Thank you for your close reading of the doc! We felt that adding a "practices to avoid" to each observed/not-observed 
section was unnecessary with the best practices already specified. Would you prefer the addition of a "This practice MUST 
NOT be used" sentence for the worst practices? I think those would include "5.1.3.1. Renaming to External, Presumed 
Non-Existent Hosts", "5.1.3.3. Renaming to Non-Authoritative Hosts", and "5.1.4.1. Renaming to 
Pseudo-TLD".
Not sure if normative language with MUST NOT is allowed in BCP, but adding MUST NOT or SHOULD NOT will give for sure a clear valuable guidance that I would expect from this BCP.
As to the explicit delete, I think the previous "observed in use" was an incorrect reading of a 
list email from Gavin Brown about observed practices. For explicit delete, we had in mind that a client would 
provide an explicit flag specifying that the client wants to delete any host objects belonging to another 
client ("They would be required to explicitly request deletion of these objects."). As far as we 
know, no one is currently operating with that practice. I will edit to try to make that clearer, which may 
make "5.2.2.1.3.1. Explicit Deletion Request" redundant.
Thanks for the clarification. Yes, the text should be clearer on this aspect.

Kind Regards,

Pawel

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