[QUESTION] Per-user altnamespace

[Christian Schulte]

Ken Murchison wrote:

> Does anybody see the need or usefulness for allowing users to select 
> their own namespace (altnamespace on/off)?  I can implement this 
> pretty trivially in v2.2 with a private mailbox annotation on the 
> user's INBOX, but I'm not going to bother unless people will use it.
>
How would that incorporate with sieve ? Would it break things with e.g. 
avelsieve or websieve ?

--Christian