Re: Working Group Last Call: draft-ietf-sieve-3431bis-01.txt (relational test)

[Alexey Melnikov <[e-mail]>]

Michael Haardt wrote:

>>>Section 4.1:
>>>
>>>  The VALUE match type may be used with any comparator which returns
>>>  sort information.
>>>
>>>And which comparator of the base language does that? All, I guess,
>>>but I miss reading that.
>>>      
>>>
>>"relational" draft is not the place for listing such comparators. There 
>>is a separate document (currently draft-newman-i18n-comparator-05.txt) 
>>that defines the comparator registry. 
>>
>
>I guess you are right that duplicating information is not good, but the
>Sieve base language contains so few comparators, that it would be nice
>to state that those return sort information.
>
Maybe you are asking for a reference to the comparator registry after 
the quoted sentence?

When I edit a document I usually try to add lots of examples to address 
issues like yours.

>
>After all, "i;ascii-numeric" is described to allow at least 32 bit
>integers and not being capable to compare signed numbers.  The latter
>at least is duplicated information, yet it is very helpful.
>
Yes, the latter is important because it can be one of the unexpected 
things when using this comparator.

On a somewhat related note: do people think we need a comparator that 
can handle negative numbers?