Re: Matched values: valuesReturnFilter string representation

["David Chadwick" <d.w.chadwick@salford.ac.uk>]

From:           	"Kurt D. Zeilenga" <Kurt@OpenLDAP.org>

> Section 5 says:
>  The string representation of the valuesReturnFilter in the examples
>  below uses the notation defined in RFC 2254 [11].
> 
> However, as a valuesReturnFilter is a sequence of simple
> filters, the string representation of valuesReturnFilter is
> actually more like:
> 
>  valuesReturnFilter = "(" 1*simplefilter ")"
>  simplefilter = "(" item ")"

Yes you are right

> 
> where item is as defined by RFC2254.  I suggest the string
> representation should be specified in the I-D.

Do you mean repeating all the "item" BNF from 2254, or just 
inserting the 2 lines above. I have assumed the latter and made that 
change.

> 
> Using the above BNF, all of the single item valueReturnFilter
> presented in the examples need to be wrapped by another set of
> parens, e.g:  ((attributeTypes=1.2.3.4.5))

agreed and done for version 5.

David

> 
> One could define a BNF that for sequences of 1 simplefilter
> the outer parens were eliminated.  However, having the
> outer parens distinguishes valueReturnFilters from
> filters.
> 
> Kurt
> 
> 
> 
> 


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David Chadwick
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